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Data as of Nov 7, 2026

154.12.0.0/15

31,746 anonymizer addresses · 24%

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
36% of it

Residential-proxy exits

Proxy exits
629
0.48% of its addresses · listed by providers
Always-on exits
181
29% of its exits
Spread
60 of 512
/24s with at least one exit
Providers
99
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
154.12.111.0/243850
154.12.110.0/243740
154.12.107.0/242850
154.13.67.0/2423124
154.12.106.0/242035
154.12.104.0/24817
154.12.105.0/2459
154.12.133.0/24329
154.13.166.0/24316
154.12.140.0/24231
154.13.167.0/24213
154.13.164.0/2424
154.12.53.0/2422
154.12.143.0/24121
154.12.142.0/24117
154.12.46.0/24110
154.13.1.0/24110
154.13.165.0/2416
154.12.51.0/2413
154.13.5.0/2413
154.12.37.0/2412
154.12.141.0/24028
154.12.132.0/24017
154.12.108.0/24012

Proxy providers listing exits

  • 2Extract
  • 711Proxy
  • 911Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • FuseProxy
  • GSocks
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • IPCola
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • PrivateByte
  • ProxiesVision
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Aventice
for its owner Cogent Communications, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since Jan 2007 · 19.8 yr ago
4 · Use
Proxy providersnamed Oxylabs, Webshare, High Proxies
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 154.12.0.0/15/24sRole
OxylabsTesonet
9,7287.4%
38
Runs it 21% · Sells it 79%
Webshare
8,7046.6%
34
Runs it
High Proxies
2,3041.8%
9
Runs it
Runs itSells it
Leased from

IP brokers

NameIn 154.12.0.0/15/24s
Aventice
15,61612%
61
Leased from

Owners leasing their own space

NameIn 154.12.0.0/15/24s
Cogent Communications, LLC
12,0329.2%
47

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

154.12.0.0/15

From the registry to its use

  1. Jan 8, 2007– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  2. Mar 8, 2019
    Route object
    AS35251 NetLab Global
    RADB route object for AS35251 NetLab Global, maintainer MAINT-AS40065
    154.12.36.0/22
  3. Mar 8, 2019
    Route object
    AS40065 Cnservers LLC
    RADB route object for AS40065 Cnservers LLC, maintainer MAINT-AS40065
    154.13.28.0/22
  4. Jul 4, 2019
    Route object
    AS134520 GigsGigs Network Services
    RADB route object for AS134520 GigsGigs Network Services, maintainer MAINT-AS63916
    154.13.28.0/22
  5. Jul 4, 2019
    Route object
    AS134520 GigsGigs Network Services
    RADB route object for AS134520 GigsGigs Network Services, maintainer MAINT-AS63916
    154.13.28.0/24
  6. Jul 4, 2019
    Route object
    AS134520 GigsGigs Network Services
    RADB route object for AS134520 GigsGigs Network Services, maintainer MAINT-AS63916
    154.13.29.0/24
  7. Jul 4, 2019
    Route object
    AS134520 GigsGigs Network Services
    RADB route object for AS134520 GigsGigs Network Services, maintainer MAINT-AS63916
    154.13.31.0/24
  8. Jul 9, 2019
    Route object
    AS55799 Iptelecom Asia
    RADB route object for AS55799 Iptelecom Asia, maintainer MAINT-AS63916
    154.13.28.0/24
  9. Jul 9, 2019
    Route object
    AS63916 IPTELECOM Global
    RADB route object for AS63916 IPTELECOM Global, maintainer MAINT-AS63916
    154.13.28.0/24
  10. Jul 9, 2019
    Route object
    AS55799 Iptelecom Asia
    RADB route object for AS55799 Iptelecom Asia, maintainer MAINT-AS63916
    154.13.29.0/24
  11. Jul 9, 2019
    Route object
    AS63916 IPTELECOM Global
    RADB route object for AS63916 IPTELECOM Global, maintainer MAINT-AS63916
    154.13.29.0/24
  12. Jul 9, 2019
    Route object
    AS55799 Iptelecom Asia
    RADB route object for AS55799 Iptelecom Asia, maintainer MAINT-AS63916
    154.13.30.0/24
  13. Jul 9, 2019
    Route object
    AS63916 IPTELECOM Global
    RADB route object for AS63916 IPTELECOM Global, maintainer MAINT-AS63916
    154.13.30.0/24
  14. Aug 22, 2019
    Route object
    AS40065 Cnservers LLC
    RADB route object for AS40065 Cnservers LLC, maintainer MAINT-AS63916
    154.13.31.0/24
  15. Aug 22, 2019
    Route object
    AS55799 Iptelecom Asia
    RADB route object for AS55799 Iptelecom Asia, maintainer MAINT-AS63916
    154.13.31.0/24
  16. Aug 22, 2019
    Route object
    AS63916 IPTELECOM Global
    RADB route object for AS63916 IPTELECOM Global, maintainer MAINT-AS63916
    154.13.31.0/24
  17. Feb 5, 2020
    Route object
    AS40065 Cnservers LLC
    RADB route object for AS40065 Cnservers LLC, maintainer MAINT-AS63916
    154.13.30.0/24
  18. Feb 7, 2020
    Route object
    AS134520 GigsGigs Network Services
    RADB route object for AS134520 GigsGigs Network Services, maintainer MAINT-AS63916
    154.13.28.0/23
  19. Sep 17, 2020
    Route object
    AS40676 Psychz Networks
    RADB route object for AS40676 Psychz Networks, maintainer MAINT-AS40676
    154.13.58.0/24
  20. Feb 12, 2021
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.32.0/20
  21. Dec 12, 2021
    Route object
    AS46261 QuickPacket, LLC
    RADB route object for AS46261 QuickPacket, LLC, maintainer MAINT-AS46261
    154.13.192.0/18
  22. Jan 31, 2022
    Route object
    AS40021 Contabo Inc.
    RADB route object for AS40021 Contabo Inc., maintainer MAINT-AS174
    154.12.224.0/19
  23. Jan 31, 2022
    Route object
    AS40021 Contabo Inc.
    RADB route object for AS40021 Contabo Inc., maintainer MAINT-AS174
    154.12.248.0/21
  24. Jun 9, 2022
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    154.13.216.0/22
  25. Jun 9, 2022
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    154.13.220.0/22
  26. Jul 6, 2022
    Route object
    AS134835 Starry Network Limited
    RADB route object for AS134835 Starry Network Limited, maintainer MAINT-AS9304
    154.12.36.0/22
  27. Jul 6, 2022
    Route object
    AS134835 Starry Network Limited
    NTTCOM route object for AS134835 Starry Network Limited, maintainer MAINT-AS9304
    154.12.36.0/22
  28. Jul 6, 2022
    Route object
    AS134835 Starry Network Limited
    RADB route object for AS134835 Starry Network Limited, maintainer MAINT-AS9304
    154.12.38.0/23
  29. Jul 6, 2022
    Route object
    AS134835 Starry Network Limited
    NTTCOM route object for AS134835 Starry Network Limited, maintainer MAINT-AS9304
    154.12.38.0/23
  30. Nov 10, 2022
    Route object
    AS55081 24 Shells
    RADB route object for AS55081 24 Shells, maintainer MAINT-AS55286
    154.13.96.0/20
  31. Jan 20, 2023
    Route object
    AS55081 24 Shells
    RADB route object for AS55081 24 Shells, maintainer MAINT-AS55286
    154.13.116.0/22
  32. Jan 20, 2023
    Route object
    AS55081 24 Shells
    RADB route object for AS55081 24 Shells, maintainer MAINT-AS55286
    154.13.120.0/21
  33. Mar 21, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.139.0/24
  34. Mar 21, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.140.0/22
  35. Mar 21, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.212.0/23
  36. Mar 21, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.214.0/23
  37. Mar 28, 2023
    Route object
    AS55081 24 Shells
    RADB route object for AS55081 24 Shells, maintainer MAINT-AS55286
    154.13.100.0/22
  38. Mar 28, 2023
    Route object
    AS55081 24 Shells
    RADB route object for AS55081 24 Shells, maintainer MAINT-AS55286
    154.13.108.0/22
  39. Apr 4, 2023
    Route object
    AS262287 Latitude.sh LTDA
    RADB route object for AS262287 Latitude.sh LTDA, maintainer MAINT-AS262287
    154.13.224.0/19
  40. May 23, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.137.0/24
  41. May 23, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    154.13.138.0/24
  42. Jun 14, 2023
    Route object
    AS18013 Asline Limited
    RADB route object for AS18013 Asline Limited, maintainer MAINT-ASLINE
    154.12.80.0/20
  43. Jun 14, 2023
    Route object
    AS142032 Vapeline TECHNOLOGY(HK).,LIMITED
    RADB route object for AS142032 Vapeline TECHNOLOGY(HK).,LIMITED, maintainer MAINT-ASLINE
    154.12.80.0/20
  44. Jun 15, 2023
    Route object
    AS58879 Shanghai ruisu network technology co.,LTD
    RADB route object for AS58879 Shanghai ruisu network technology co.,LTD, maintainer MAINT-AS58879
    154.12.80.0/20
  45. Jun 15, 2023
    Route object
    AS137443 ChangLian Network Technology Co., Limited
    RADB route object for AS137443 ChangLian Network Technology Co., Limited, maintainer MAINT-AS58879
    154.12.80.0/20
  46. Aug 3, 2023
    Route object
    AS979 NetLab Global
    RADB route object for AS979 NetLab Global, maintainer MAINT-PREMIUM
    154.12.32.0/19
  47. Aug 3, 2023
    Route object
    AS906 DMIT Cloud Services
    RADB route object for AS906 DMIT Cloud Services, maintainer MAINT-AS54574
    154.12.184.0/24
  48. Aug 3, 2023
    Route object
    AS906 DMIT Cloud Services
    RADB route object for AS906 DMIT Cloud Services, maintainer MAINT-AS54574
    154.12.189.0/24
  49. Aug 5, 2023
    Route object
    AS906 DMIT Cloud Services
    RADB route object for AS906 DMIT Cloud Services, maintainer MAINT-AS174
    154.12.176.0/20
  50. Aug 14, 2023
    Route object
    AS5650 Frontier Communications of America, Inc.
    RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-ADMIN-AS398373
    154.12.152.0/22
  51. Oct 15, 2023
    Route object
    AS137899 I Layer Limited
    RADB route object for AS137899 I Layer Limited, maintainer MAINT-AS134121
    154.12.92.0/22
  52. Dec 12, 2023
    Route object
    AS132110 DMIT Inc
    RADB route object for AS132110 DMIT Inc, maintainer MAINT-AS54574
    154.12.184.0/22
  53. Jul 24, 2024
    Route object
    AS17072 Total Play Telecomunicaciones, S.A.P.I. de C.V.
    RADB route object for AS17072 Total Play Telecomunicaciones, S.A.P.I. de C.V., maintainer MAINT-AS32098
    154.13.84.0/22
  54. Nov 28, 2024
    Route object
    AS979 NetLab Global
    RADB route object for AS979 NetLab Global, maintainer MAINT-PREMIUM
    154.13.4.0/22
  55. Apr 3, 2025
    Route object
    AS210110 Kvmcloud Network CO., LIMITED
    RADB route object for AS210110 Kvmcloud Network CO., LIMITED, maintainer MAINT-AS54574
    154.12.176.0/20
  56. Apr 27, 2025
    Route object
    AS906 DMIT Cloud Services
    RADB route object for AS906 DMIT Cloud Services, maintainer MAINT-AS54574
    154.12.188.0/23
  57. Apr 29, 2025
    Route object
    AS132110 DMIT Inc
    RADB route object for AS132110 DMIT Inc, maintainer MAINT-AS54574
    154.12.180.0/22
  58. Jun 5, 2025
    Route object
    AS40779 VoltNet inc
    RADB route object for AS40779 VoltNet inc, maintainer MAINT-AS40779
    154.12.80.0/20
  59. Jun 5, 2025
    Route object
    AS401696 cognetcloud INC
    RADB route object for AS401696 cognetcloud INC, maintainer MAINT-AS40779
    154.12.80.0/20
  60. Jun 5, 2025
    Route object
    AS401701 cognetcloud INC
    RADB route object for AS401701 cognetcloud INC, maintainer MAINT-AS40779
    154.12.80.0/20
  61. Jun 26, 2025
    Route object
    AS137180 Unified Voice Communication Private Ltd
    RADB route object for AS137180 Unified Voice Communication Private Ltd, maintainer MAINT-AS174
    154.12.128.0/23
  62. Sep 3, 2025
    Route object
    AS46887 Crown Castle Fiber LLC
    RADB route object for AS46887 Crown Castle Fiber LLC, maintainer MAINT-AS27506
    154.13.162.0/24
  63. Nov 20, 2025
    Route object
    AS401696 cognetcloud INC
    RADB route object for AS401696 cognetcloud INC, maintainer MAINT-AS134121
    154.12.92.0/22
  64. Jan 22, 2026
    Route object
    AS273189 CA Network S.A. de C.V.
    RADB route object for AS273189 CA Network S.A. de C.V., maintainer MAINT-AS174
    154.12.104.0/21
  65. Jan 27, 2026
    Route object
    AS8126 Cloud Fabric, Inc.
    RADB route object for AS8126 Cloud Fabric, Inc., maintainer MAINT-AS54574
    154.12.176.0/20
  66. Apr 20, 2026
    Route object
    AS200658 CoreCloud Systems Ltd
    ARIN route object for AS200658 CoreCloud Systems Ltd, maintainer MNT-COGC
    154.13.128.0/24
  67. May 20, 2026
    Route object
    AS273189 CA Network S.A. de C.V.
    ARIN route object for AS273189 CA Network S.A. de C.V., maintainer MNT-COGC
    154.12.104.0/21
  68. Jul 7, 2026
    Route object
    AS402506 Zenixcloud
    RADB route object for AS402506 Zenixcloud, maintainer MAINT-AS40779
    154.12.92.0/23
  69. today
    Leased from
    Aventice
    IP broker
  70. today
    Used
    Oxylabs
    Proxy seller
  71. today
    Used
    Webshare
    Proxy seller
  72. today
    Used
    High Proxies
    Proxy seller

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
154.12.0.0/24
since Sep 2025
AS40797BusinessCogent Communications, LLC
154.12.1.0/24
since May 2026
AS174BusinessCogent Communications, LLC
154.12.2.0/24
since Feb 2023
AS64249HostingCogent Communications, LLC
154.12.4.0/23
since Mar 2023
AS174UnknownCogent Communications, LLC
154.12.6.0/24
since Jun 2021
AS64249HostingCogent Communications, LLC
154.12.8.0/23
since Jun 2023
AS174UnknownCogent Communications, LLC
154.12.10.0/23
since Jun 2023
AS174Unknown1Cogent Communications, LLC
154.12.16.0/20
since Jul 2025
AS401696Hosting2Cogent Communications, LLC
154.12.19.0/24AS401701HostingCogent Communications, LLC
154.12.21.0/24AS401701Hosting
154.12.25.0/24AS401701HostingCogent Communications, LLC
154.12.27.0/24AS401701Hosting2Cogent Communications, LLC
154.12.28.0/24AS401701HostingCogent Communications, LLC
154.12.32.0/24
since Nov 2021
AS35251Hosting2Cogent Communications, LLC
via NetLab Global
154.12.33.0/24
since Nov 2021
AS35251HostingCogent Communications, LLC
via NetLab Global
154.12.34.0/24
since Nov 2021
AS35251HostingCogent Communications, LLC
via NetLab Global
154.12.35.0/24
since Sep 2022
AS979Internet providerCogent Communications, LLC
via NetLab Global
154.12.36.0/23
since May 2022
AS35251Hosting2
1 always on
Cogent Communications, LLC
via NetLab Global
154.12.38.0/24
since Oct 2022
AS979Internet provider4Cogent Communications, LLC
via NetLab Global
154.12.39.0/24
since Sep 2022
AS979Internet providerCogent Communications, LLC
via NetLab Global
154.12.40.0/22
since Nov 2021
AS35251Hosting10.10%Datacenter proxy1Cogent Communications, LLC
via NetLab Global
154.12.44.0/22
since Apr 2024
AS174Unknown19
1 always on
Cogent Communications, LLC
via NetLab Global
154.12.44.0/24
since Oct 2025
AS979UnknownCogent Communications, LLC
via NetLab Global
154.12.45.0/24
since Apr 2024
AS979Unknown1Cogent Communications, LLC
via NetLab Global
154.12.46.0/24
since May 2024
AS979Unknown10
1 always on
Cogent Communications, LLC
via NetLab Global
154.12.47.0/24
since Apr 2024
AS979Unknown8Cogent Communications, LLC
via NetLab Global
154.12.48.0/22
since Apr 2024
AS174Unknown11
1 always on
Cogent Communications, LLC
via NetLab Global
154.12.48.0/24
since Oct 22, 2026
AS979Unknown6Cogent Communications, LLC
via NetLab Global
154.12.49.0/24
since Oct 10, 2026
AS979UnknownCogent Communications, LLC
via NetLab Global
154.12.50.0/24
since Apr 2024
AS979Unknown2Cogent Communications, LLC
via NetLab Global
154.12.51.0/24
since May 2024
AS979Unknown3
1 always on
Cogent Communications, LLC
via NetLab Global
154.12.52.0/24
since Sep 2022
AS979Internet providerCogent Communications, LLC
via NetLab Global
154.12.53.0/24
since Sep 2022
AS979Internet provider10.39%Datacenter proxy2
2 always on
Cogent Communications, LLC
via NetLab Global
154.12.54.0/24
since Sep 2022
AS979Internet provider1Cogent Communications, LLC
via NetLab Global
154.12.55.0/24
since Sep 2022
AS979Internet provider1Cogent Communications, LLC
via NetLab Global
154.12.56.0/24
since Jan 2023
AS35251Hosting8Cogent Communications, LLC
via NetLab Global
154.12.57.0/24
since Mar 2022
AS35251HostingCogent Communications, LLC
via NetLab Global
154.12.58.0/24
since Mar 2022
AS35251HostingCogent Communications, LLC
via NetLab Global
154.12.59.0/24
since Sep 2022
AS979Internet provider3Cogent Communications, LLC
via NetLab Global
154.12.60.0/22
since Dec 2024
AS979Internet provider2Cogent Communications, LLC
via NetLab Global
154.12.60.0/24
since Oct 15, 2026
AS1014ResidentialCogent Communications, LLC
via NetLab Global
154.12.61.0/24
since Oct 15, 2026
AS1014ResidentialCogent Communications, LLC
via NetLab Global
154.12.62.0/24
since Oct 15, 2026
AS1014Residential1Cogent Communications, LLC
via NetLab Global
154.12.63.0/24
since Oct 15, 2026
AS1014Residential1Cogent Communications, LLC
via NetLab Global
154.12.65.0/24
since Mar 2019
AS174ISP proxyProxy providersoperated by High ProxiesCogent Communications, LLC
154.12.66.0/24
since Oct 10, 2026
AS269879UnknownCogent Communications, LLC
154.12.72.0/23
since Jun 2023
AS174UnknownCogent Communications, LLC
154.12.74.0/23
since Jun 2023
AS174UnknownCogent Communications, LLC
154.12.80.0/21
since Jul 2025
AS401696Hosting1Cogent Communications, LLC
154.12.83.0/24AS401701HostingCogent Communications, LLC
154.12.86.0/24AS401701HostingCogent Communications, LLC
154.12.88.0/22
since Jul 2025
AS401696HostingCogent Communications, LLC
154.12.88.0/24AS401701HostingCogent Communications, LLC
154.12.89.0/24AS401701Hosting
154.12.92.0/24
since Jul 2025
AS401696HostingCogent Communications, LLC
154.12.93.0/24
since Jul 2026
AS402506HostingCogent Communications, LLC
154.12.94.0/23
since Jul 2026
AS402506Hosting1Cogent Communications, LLC
154.12.96.0/23
since Nov 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.12.98.0/23
since Nov 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.12.100.0/23
since Nov 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.12.102.0/23
since Nov 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.12.104.0/22
since Jul 2026
AS273189Unknown111
61 always on
Cogent Communications, LLC
154.12.104.0/24
since Jul 2026
AS273189Unknown17
8 always on
Cogent Communications, LLC
154.12.105.0/24
since Jul 2026
AS273189Unknown9
5 always on
Cogent Communications, LLC
154.12.106.0/24
since Jul 2026
AS273189Unknown35
20 always on
Cogent Communications, LLC
154.12.107.0/24
since Jul 2026
AS273189Unknown50
28 always on
Cogent Communications, LLC
154.12.108.0/22
since Sep 28, 2026
AS273189Unknown106
75 always on
Cogent Communications, LLC
154.12.108.0/24
since Jul 2026
AS273189Unknown12Cogent Communications, LLC
154.12.109.0/24
since Jul 2026
AS273189Unknown4Cogent Communications, LLC
154.12.110.0/24
since Jul 2026
AS273189Unknown40
37 always on
Cogent Communications, LLC
154.12.111.0/24
since Jul 2026
AS273189Unknown50
38 always on
Cogent Communications, LLC
154.12.112.0/23
since Jul 2026
AS174Internet providerCogent Communications, LLC
154.12.112.0/24
since Jul 2026
AS174Internet providerCogent Communications, LLC
154.12.113.0/24
since Jul 2026
AS174Internet providerCogent Communications, LLC
154.12.115.0/24
since Apr 2026
AS213487Unknown2Cogent Communications, LLC
154.12.116.0/22
since Jun 2025
AS26832Hosting1Cogent Communications, LLC
via Rica Web Services
154.12.120.0/21
since Dec 2025
AS394303HostingCogent Communications, LLC
via BigScoots
154.12.128.0/24
since Jun 2025
AS137180UnknownCogent Communications, LLC
154.12.129.0/24
since Jul 2025
AS137180Unknown1Cogent Communications, LLC
154.12.131.0/24
since Jun 2021
AS174ISP proxyProxy providersoperated by High ProxiesCogent Communications, LLC
154.12.132.0/23
since Jun 2022
AS174ISP proxyProxy providersoperated by Webshare46
3 always on
Cogent Communications, LLC
154.12.134.0/23
since Jun 2022
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.12.140.0/23
since Jun 2022
AS174ISP proxyProxy providersoperated by Webshare59
2 always on
Cogent Communications, LLC
154.12.142.0/23
since Jun 2022
AS174ISP proxyProxy providersoperated by Webshare38
2 always on
Cogent Communications, LLC
154.12.144.0/21
since Nov 2025
AS396026HostingCogent Communications, LLC
154.12.160.0/21
since May 2020
AS55286Datacenter proxy1,53675%Cogent Communications, LLC
via B2 Net Solutions Inc.
154.12.160.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
154.12.167.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
154.12.176.0/22
since Dec 2025
AS906Hosting14Cogent Communications, LLC
via DMIT Cloud Services
154.12.176.0/24
since Aug 2023
AS906Hosting2Cogent Communications, LLC
via DMIT Cloud Services
154.12.177.0/24
since Aug 2023
AS906Hosting6Cogent Communications, LLC
via DMIT Cloud Services
154.12.178.0/24
since Aug 2023
AS906Hosting1Cogent Communications, LLC
via DMIT Cloud Services
154.12.179.0/24
since Aug 2023
AS906Hosting5Cogent Communications, LLC
via DMIT Cloud Services
154.12.180.0/24
since Aug 2024
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.181.0/24
since Aug 2024
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.182.0/24
since Mar 2025
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.183.0/24
since Mar 2025
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.185.0/24
since Dec 2023
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.186.0/24
since Jul 2025
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.187.0/24
since Jul 2025
AS132110HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.188.0/24
since Dec 2024
AS906HostingCogent Communications, LLC
via DMIT Cloud Services
154.12.190.0/23
since Sep 18, 2026
AS906Hosting1Cogent Communications, LLC
via DMIT Cloud Services
154.12.192.0/20
since May 2026
AS32204ResidentialCogent Communications, LLC
via KPU Telecommunications
154.12.192.0/21
since May 2026
AS32204ResidentialCogent Communications, LLC
via KPU Telecommunications
154.12.200.0/21
since May 2026
AS32204ResidentialCogent Communications, LLC
via KPU Telecommunications
154.12.208.0/21
since May 2026
AS199967HostingCogent Communications, LLC
154.12.208.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.209.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.210.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.211.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.212.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.213.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.214.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.215.0/24
since Aug 2026
AS174Internet providerCogent Communications, LLC
154.12.216.0/23
since Feb 2022
AS174BusinessCogent Communications, LLC
154.12.218.0/23
since Jan 2022
AS174BusinessCogent Communications, LLC
154.12.220.0/24
since Jan 2022
AS263157Residential1Cogent Communications, LLC
154.12.221.0/24
since Jan 2022
AS263157ResidentialCogent Communications, LLC
154.12.222.0/24
since Aug 2022
AS263157ResidentialCogent Communications, LLC
154.12.223.0/24
since Jan 2024
AS263157ResidentialCogent Communications, LLC
154.12.224.0/21
since Mar 2022
AS40021HostingCogent Communications, LLC
154.12.232.0/21
since Mar 2022
AS40021HostingCogent Communications, LLC
154.12.240.0/21
since Mar 2022
AS40021HostingCogent Communications, LLC
154.12.248.0/22
since Apr 2022
AS40021HostingCogent Communications, LLC
154.12.252.0/22
since Apr 2022
AS40021HostingCogent Communications, LLC
154.13.0.0/24
since Feb 2020
AS64249HostingCogent Communications, LLC
via Charles River Operation
154.13.1.0/24
since Jul 2025
AS273887Residential10
1 always on
Cogent Communications, LLC
154.13.4.0/24
since Feb 2022
AS35251HostingCogent Communications, LLC
via NetLab Global
154.13.5.0/24
since Feb 2022
AS35251Hosting3
1 always on
Cogent Communications, LLC
via NetLab Global
154.13.6.0/23
since Mar 2025
AS979Internet providerCogent Communications, LLC
via NetLab Global
154.13.6.0/24
since Oct 15, 2026
AS1014ResidentialCogent Communications, LLC
via NetLab Global
154.13.7.0/24
since Jan 2023
AS35251HostingCogent Communications, LLC
via NetLab Global
154.13.12.0/23
since Jun 2023
AS174UnknownCogent Communications, LLC
154.13.14.0/23
since Jun 2023
AS174UnknownCogent Communications, LLC
154.13.24.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.26.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.65.0/24
since Mar 2019
AS174ISP proxyProxy providersoperated by High ProxiesCogent Communications, LLC
154.13.67.0/24
since Aug 2025
AS274123Residential124
23 always on
Cogent Communications, LLC
154.13.68.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.70.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.72.0/21
since Feb 2019
AS174ISP proxyProxy providersoperated by Oxylabs1Cogent Communications, LLC
154.13.80.0/24
since Sep 2021
AS174BusinessCogent Communications, LLC
154.13.81.0/24
since Sep 2021
AS174BusinessCogent Communications, LLC
154.13.82.0/24
since Sep 2025
AS174Unknown1Cogent Communications, LLC
154.13.83.0/24
since Apr 2021
AS174Business1Cogent Communications, LLC
154.13.84.0/24
since Dec 2019
AS263157Residential1Cogent Communications, LLC
154.13.85.0/24
since Jan 2020
AS263157ResidentialCogent Communications, LLC
154.13.86.0/24
since Jan 2020
AS263157Residential1Cogent Communications, LLC
154.13.87.0/24
since Jan 2020
AS263157Residential3Cogent Communications, LLC
154.13.88.0/23
since Feb 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.90.0/23
since Feb 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.92.0/23
since Feb 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.94.0/24
since Jan 2024
AS399275Hosting1Cogent Communications, LLC
via Solid Systems LLC
154.13.95.0/24
since Aug 2025
AS55096BusinessCogent Communications, LLC
154.13.112.0/24
since Jul 2026
AS174ISP proxyCogent Communications, LLC
154.13.113.0/24
since Jul 2026
AS174ISP proxyCogent Communications, LLC
154.13.114.0/24
since Jul 2026
AS174ISP proxyCogent Communications, LLC
154.13.115.0/24
since Jul 2026
AS174ISP proxyCogent Communications, LLC
154.13.130.0/24
since Jun 2021
AS174ISP proxyProxy providersoperated by High ProxiesCogent Communications, LLC
154.13.132.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.134.0/23
since Sep 2021
AS174ISP proxyProxy providersoperated by WebshareCogent Communications, LLC
154.13.136.0/24
since Sep 2023
AS212238Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.146.0/23
since Feb 2022
AS174BusinessCogent Communications, LLC
154.13.149.0/24
since Jul 2026
AS203919HostingCogent Communications, LLC
154.13.150.0/23
since Aug 2025
AS393559MobileCogent Communications, LLC
154.13.160.0/24
since Nov 2023
AS174Unknown2Cogent Communications, LLC
154.13.161.0/24
since Jun 2021
AS174ISP proxyProxy providersoperated by High ProxiesCogent Communications, LLC
154.13.163.0/24
since Apr 2026
AS199701HostingCogent Communications, LLC
154.13.164.0/22
since Dec 2025
AS1088Residential39
8 always on
Cogent Communications, LLC
via FastBridge Fiber
154.13.192.0/22
since Dec 2021
AS46261Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.196.0/24
since Dec 2021
AS46261Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.197.0/24
since Nov 2023
AS212238Datacenter proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.198.0/23
since Feb 2022
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.200.0/22
since Feb 2023
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.204.0/22
since Oct 10, 2026
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.208.0/22
since Jan 2024
AS212238Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via BraveWay LLC
154.13.216.0/24
since Dec 2023
AS5650ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.217.0/24
since May 2023
AS9009Datacenter proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.218.0/24
since Feb 2023
AS9009Datacenter proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.219.0/24
since Feb 2024
AS134450Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.220.0/24
since May 2023
AS9009Datacenter proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.221.0/24
since Jan 2025
AS7979Datacenter proxyIP broker Aventice1Cogent Communications, LLC
via Aventice LLC
154.13.222.0/24
since Feb 2024
AS9009Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.223.0/24
since Feb 2024
AS9009Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.224.0/20
since Jan 2022
AS262287Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.240.0/22
since Jan 2022
AS262287Datacenter proxyProxy providerssold by OxylabsIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.244.0/22
since Feb 2023
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.248.0/22
since Feb 2023
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC
154.13.252.0/22
since Oct 10, 2026
AS174ISP proxyIP broker AventiceCogent Communications, LLC
via Aventice LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.12.0.0/1665,536COGENT-154-12-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.12.4.0/23512NET-154-12-4-0-1GuangZhou Zike Network Technology Co Ltd (C09386857) · ESReassignedApr 19, 2023abuse@cogentco.com
via COGENT-154-12-16
└ 154.12.32.0/198,192NETLAB-CGNT-NET-1NetLab Global (HOSTH-5) · USReallocatedMay 4, 2022legal@as979.net
└ 154.12.44.0/221,024COGENTPSINet, Inc. (C11261233) · USReassignedJul 2, 2025legal@as979.net
via NETLAB-CGNT-NET-1
└ 154.12.48.0/221,024COGENTPSINet, Inc. (C11261256) · USReassignedJul 2, 2025legal@as979.net
via NETLAB-CGNT-NET-1
└ 154.12.67.16/2816NET-154-12-67-16-0-1unknown———
└ 154.12.116.0/221,024SERVARICA-CGNT-NET-5Rica Web Services (RWS-30) · CAReallocatedJun 26, 2025complaints@servarica.com
└ 154.12.120.0/212,048BIGSCOOTS-CGNT-NET-3BigScoots (BIGSC-1) · USReallocatedJul 31, 2025abuse@bigscoots.com
└ 154.12.156.0/221,024NET-154-12-156-0-1High Proxies - HPRO Group Limited (C08849297)ReassignedAug 29, 2022abuse@cogentco.com
via COGENT-154-12-16
└ 154.12.160.0/212,048SRVR-CGNT-NET-3B2 Net Solutions Inc. (BNS-34) · CAReallocatedOct 26, 2022abuse-system@servermania.com
└ 154.12.176.0/204,096DMIT-CGNT-NET-1DMIT Cloud Services (DMITI) · USReallocatedJul 27, 2023abuse@dmit.com
└ 154.12.176.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.177.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.178.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.179.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.180.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.181.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.182.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.183.0/24256DMIT-CUSTOMER-HKunknownReassignedAug 5, 2023abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.184.0/24256DMIT-CUSTOMER-HKunknown———
└ 154.12.185.0/24256DMIT-CUSTOMER-HKunknownReassignedJan 29, 2026abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.186.0/24256DMIT-CUSTOMER-HKunknownReassignedJan 29, 2026abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.187.0/24256DMIT-CUSTOMER-HKunknownReassignedJan 29, 2026abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.188.0/24256DMIT-CUSTOMER-HKunknownReassignedJan 29, 2026abuse@dmit.com
via DMIT-CGNT-NET-1
└ 154.12.189.0/24256DMIT-CUSTOMER-HKunknown———
└ 154.12.190.0/24256DMIT-CUSTOMER-TOKYO-1400002unknown———
└ 154.12.191.0/24256DMIT-CUSTOMER-TOKYO-1400002unknown———
└ 154.12.192.0/204,096KETCHIKAN-CGNT-NET-2KPU Telecommunications (KPUTE) · USReallocatedApr 29, 2026neighorn@scnresearch.com
154.13.0.0/1665,536COGENT-154-13-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.13.0.0/24256CHARLESRIVER-CGNT-NET-4Charles River Operation (JC-328) · USReallocatedApr 1, 2024support@endoffice.com
└ 154.13.1.0/24256MOUNTAIN-CGNT-NET-1Mountain Network Honduras (C11662226) · HNReassignedJul 28, 2026abuse@cogentco.com
via COGENT-154-13-16
└ 154.13.3.0/24256SAUCY-SAUCE-CGNT-NET-1unknown———
└ 154.13.4.0/221,024NETLAB-CGNT-NET-2NetLab Global (HOSTH-5) · USReallocatedMay 4, 2022legal@as979.net
└ 154.13.94.0/24256SOLIDSYS-CGNT-NET-6Solid Systems LLC (SSL-1126) · USReallocatedJan 11, 2024abuse@solidsystems.us
└ 154.13.94.0/24256SOLID-DALLASSolid Dallas (C10638569) · USReassignedJan 14, 2024abuse@solidsystems.us
via SOLIDSYS-CGNT-NET-6
└ 154.13.136.0/212,048AVENTICE-CGNT-NET-18Aventice LLC (AL-584) · USReallocatedDec 1, 2022abuse@aventice.com
└ 154.13.136.0/24256NCRYPTD-NET-LTDNcryptd Net Ltd (C09770859) · USReassignedJul 6, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-18
└ 154.13.137.0/24256WIFIBER-IKEWifiber IKE (C09246119) · USReassignedFeb 22, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-18
└ 154.13.138.0/24256WIFIBER-IKEWifiber IKE (C09233911) · USReassignedFeb 20, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-18
└ 154.13.139.0/24256WIFIBER-IKEWifiber IKE (C09233917) · USReassignedFeb 20, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-18
└ 154.13.140.0/221,024WIFIBER-IKEWifiber IKE (C09233918) · USReassignedFeb 20, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-18
└ 154.13.164.0/221,024FASTBRIDGE-CGNT-NET-2FastBridge Fiber (FFL-77) · USReallocatedJun 8, 2026—
└ 154.13.192.0/1816,384AVENTICE-CGNT-NET-3Aventice LLC (AL-584) · USReallocatedDec 8, 2021abuse@aventice.com
└ 154.13.197.0/24256NCRYPTD-LLCNcryptd LLC (C09770864) · USReassignedJul 6, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-3
└ 154.13.208.0/221,024SPRINTBraveWay LLC (BL-216) · USReallocatedJan 19, 2023abuse@braveway.com
└ 154.13.208.0/221,024WIFIBER-IKEWifiber IKE (C09157922) · USReassignedJan 23, 2023abuse@braveway.com
via SPRINT
└ 154.13.216.0/24256FRONTIER COMMUNICATIONS OF AMERICA INCFrontier Communications of America, Inc. (C09705851) · USReassignedJun 23, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-3
└ 154.13.219.0/24256PNV-LIMITEDAventice (C09757839) · INReassignedJul 3, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-3
└ 154.13.222.0/24256WIFIBER-IKEWifiber IKE (C09666193) · USReassignedJun 15, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-3
└ 154.13.223.0/24256NCRYPTD-LLCNcryptd LLC (C09770860) · USReassignedJul 6, 2023abuse@aventice.com
via AVENTICE-CGNT-NET-3

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Internet provider47,10336%46
Hosting30,46323%64
ISP proxyanonymizer19,96815%38
Datacenter proxyanonymizer11,7789.0%23
Unknown9,2167.0%29
Residential8,9606.8%18
Business3,0722.3%9
Mobile5120.39%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658