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Data as of Nov 4, 2026

154.51.0.0/16

3,840 anonymizer addresses · 5.9% · ISP proxy1,235 residential-proxy exits · 30 days

Cogent Communications, LLC

Announcement
154.48.0.0/12
No RPKI
Announced by
AS174
Type
Internet provider
66% of it

Residential-proxy exits

Proxy exits
1,235
1.9% of its addresses · 30 days
Always-on exits
145
12% of its exits
Spread
18 of 256
/24s with at least one exit
Providers
89
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

542K observations
  • Residential
  • Business
  • Hosting
  • Internet provider
  • Unknown

/24s with the most always-on exits

/24Always-on exitsProxy exits
154.51.86.0/2426236
154.51.81.0/2425233
154.51.4.0/242431
154.51.84.0/2423200
154.51.85.0/2423194
154.51.5.0/241919
154.51.87.0/2428
154.51.80.0/24110
154.51.145.0/2415
154.51.13.0/2414
154.51.6.0/240115
154.51.7.0/24093
154.51.185.0/24076
154.51.188.0/2403
154.51.246.0/2402
154.51.76.0/2401
154.51.40.0/2401
154.51.189.0/2401

Proxy providers listing exits

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

Path

1 · Holder
Unnamed holder
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since May 2005 · 21.5 yr ago
4 · Use
Proxy providersnamed Oxylabs
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 154.51.0.0/16/24s
OxylabsTesonet
3,8405.9%
15

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
PrefixOriginTypeProxy exitsHolderRPKI
154.51.2.0/23
since May 2021
AS213134BusinessCogent Communications, LLC
154.51.4.0/22
since Jul 2025
AS270052Residential258
43 always on
Cogent Communications, LLC
154.51.4.0/23
since Jul 2025
AS270052Unknown50
43 always on
Cogent Communications, LLC
154.51.6.0/23
since Jul 2025
AS270052Residential208Cogent Communications, LLC
154.51.8.0/23
since Feb 2026
AS39944UnknownCogent Communications, LLC
154.51.10.0/24
since Oct 10, 2026
AS174Internet providerCogent Communications, LLC
154.51.11.0/24
since Oct 10, 2026
AS174Internet providerCogent Communications, LLC
154.51.13.0/24
since Oct 2025
AS207866Internet provider4
1 always on
Cogent Communications, LLC
154.51.14.0/24
since Jul 2026
AS174Internet providerCogent Communications, LLC
154.51.15.0/24
since Mar 2024
AS208962UnknownCogent Communications, LLC
154.51.20.0/24
since Aug 2025
AS16664ResidentialCogent Communications, LLC
via CC Communications
154.51.22.0/24
since May 2026
AS393559MobileCogent Communications, LLC
154.51.34.0/24
since Jun 2026
AS19754ResidentialCogent Communications, LLC
via The Fusion Network, LLC
154.51.39.0/24
since Jun 2026
AS19754ResidentialCogent Communications, LLC
via The Fusion Network, LLC
154.51.40.0/24
since Aug 2025
AS46783Hosting1Cogent Communications, LLC
via Easy Link LLC
154.51.41.0/24
since Aug 2025
AS46783HostingCogent Communications, LLC
via Easy Link LLC
154.51.42.0/24
since Oct 22, 2026
AS402950BusinessCogent Communications, LLC
154.51.46.0/23
since Sep 2025
AS23116HostingCogent Communications, LLC
154.51.48.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.51.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.52.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.53.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.54.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.55.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.56.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.57.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.58.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.59.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.60.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.61.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.62.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.63.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.68.0/24
since Dec 2018
AS202052UnknownCogent Communications, LLC
154.51.69.0/24
since Jul 2017
AS60022BusinessCogent Communications, LLC
154.51.80.0/24
since Jun 2025
AS213671Residential10
1 always on
Cogent Communications, LLC
154.51.81.0/24
since Jun 2025
AS213671Residential233
25 always on
Cogent Communications, LLC
154.51.84.0/24
since Jun 2025
AS213671Residential200
23 always on
Cogent Communications, LLC
154.51.85.0/24
since Jan 2025
AS213671Residential194
23 always on
Cogent Communications, LLC
154.51.86.0/24
since Jan 2025
AS213671Residential236
26 always on
Cogent Communications, LLC
154.51.87.0/24
since Jan 2025
AS213671Residential8
2 always on
Cogent Communications, LLC
154.51.96.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.97.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.98.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.99.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.100.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.101.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.102.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.103.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.104.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.105.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.106.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.107.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.108.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.109.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.110.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.111.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.112.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.113.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.114.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.115.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.116.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.117.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.118.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.119.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.120.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.121.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.122.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.123.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.124.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.125.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.126.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.127.0/24
since May 2026
AS174Internet providerCogent Communications, LLC
154.51.129.0/24
since Dec 2022
AS209242HostingCogent Communications, LLC
154.51.132.0/24
since Aug 2014
AS199717BusinessCogent Communications, LLC
154.51.133.0/24
since Aug 2014
AS199717BusinessCogent Communications, LLC
154.51.144.0/24
since Feb 2026
AS3170HostingCogent Communications, LLC
154.51.145.0/24
since Oct 2025
AS8801Residential5
1 always on
Cogent Communications, LLC
154.51.152.0/22
since Sep 2022
AS207456MobileCogent Communications, LLC
154.51.152.0/23AS174BusinessCogent Communications, LLC
154.51.158.0/24
since Oct 22, 2026
AS402950BusinessCogent Communications, LLC
154.51.160.0/24
since Dec 2022
AS209242HostingCogent Communications, LLC
154.51.164.0/24
since Feb 2024
AS32884BusinessCogent Communications, LLC
154.51.165.0/24
since Sep 2022
AS207456MobileCogent Communications, LLC
154.51.166.0/24
since Nov 4, 2026
AS46475HostingCogent Communications, LLC
via Limestone Networks, Inc.
154.51.167.0/24
since Sep 2022
AS207456MobileCogent Communications, LLC
154.51.185.0/24
since Dec 2022
AS394381Business76Cogent Communications, LLC
154.51.186.0/24
since May 2025
AS46667BusinessCogent Communications, LLC
154.51.187.0/24
since Sep 2022
AS207456MobileCogent Communications, LLC
154.51.188.0/24
since Oct 2017
AS199717Business3Cogent Communications, LLC
154.51.189.0/24
since Oct 2017
AS199717Business1Cogent Communications, LLC
154.51.190.0/24
since Oct 2017
AS199717BusinessCogent Communications, LLC
154.51.191.0/24
since Oct 2017
AS199717BusinessCogent Communications, LLC
154.51.240.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.241.0/24
since May 2026
AS135377HostingCogent Communications, LLC
154.51.242.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.243.0/24
since Aug 2025
AS135377HostingCogent Communications, LLC
154.51.246.0/24
since Sep 2026
AS154123Residential2Cogent Communications, LLC
154.51.247.0/24
since Aug 2025
AS21859HostingCogent Communications, LLC
154.51.248.0/24
since Jul 2026
AS174Internet providerCogent Communications, LLC
154.51.249.0/24
since Sep 2025
AS40827BusinessCogent Communications, LLC
154.51.250.0/24
since Aug 2025
AS139989HostingCogent Communications, LLC
154.51.251.0/24
since Aug 2025
AS139989HostingCogent Communications, LLC

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Internet provider43,52066%63
Hosting7,93612%29
Business3,8405.9%14
ISP proxyanonymizer3,8405.9%10
Residential3,3285.1%12
Mobile1,5362.3%5
Unknown1,5362.3%4

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.48.0.0/12

Prefix
154.48.0.0/12
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
9,984 addresses · 0.95%ISP proxy
Operator
Proxy providerssold by Oxylabs, QuarkIP
Proxy exits
12,748
Always-on exits
2,411
RPKI
No RPKI
RIR
ARIN
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