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Data as of Nov 8, 2026

204.212.0.0/14

16,384 anonymizer addresses · 6.3% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
86% of it

Residential-proxy exits

Proxy exits
37
0.01% of its addresses · listed by providers
Always-on exits
2
5.4% of its exits
Spread
5 of 1,024
/24s with at least one exit
Providers
49
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
204.212.241.0/24129
204.212.245.0/2413
204.212.243.0/2403
204.212.244.0/2401
204.213.194.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • Byteful
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FloppyData
  • GSocks
  • Geonode
  • GloryCloud
  • IPFly
  • IPPeak
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LudaxProxy
  • MangoProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxyma
  • PuraRoute
  • RainProxy
  • ResiProxies
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Dec 11, 1994
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since May 2024 · 2.5 yr ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 204.212.0.0/14/24s
Rackdog
16,3846.3%
64
Leased from

Owners leasing their own space

NameIn 204.212.0.0/14/24s
Cogent Communications, LLC
16,3846.3%
64

Lineage

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

204.212.0.0/14

From the registry to its use

  1. Dec 11, 1994
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    204.212.0.0/14
  2. May 6, 1996
    Route object
    AS3462 Data Communication Business Group
    RADB route object for AS3462 Data Communication Business Group, maintainer MAINT-AS3462
    204.212.168.0/24
  3. May 9, 2000
    Route object
    AS3513 Internet On-Ramp, Inc.
    ALTDB route object for AS3513 Internet On-Ramp, Inc., maintainer MAINT-AS3513
    204.212.112.0/20
  4. Dec 30, 2003
    Route object
    AS7877 Online Magic
    RADB route object for AS7877 Online Magic, maintainer MAINT-AS174
    204.213.197.0/24
  5. Nov 29, 2004
    Route object
    AS20460 TFB Net
    RADB route object for AS20460 TFB Net, maintainer MAINT-ADN-WEST
    204.212.132.0/24
  6. May 9, 2005– May 16, 2024
    Announced
    AS1239 Cogent Communications, LLC
  7. Jul 25, 2006
    Route object
    AS29811 Scholastic Inc.
    RADB route object for AS29811 Scholastic Inc., maintainer MAINT-AS6079
    204.215.50.0/24
  8. Apr 13, 2007
    Route object
    AS33717 Chunghwa Telecom Global, INC
    NTTCOM route object for AS33717 Chunghwa Telecom Global, INC, maintainer MAINT-NTTCOM-RA
    204.213.237.0/24
  9. Apr 17, 2008
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    204.214.0.0/24
  10. Oct 28, 2009
    Route object
    AS14599 Besser Company
    RADB route object for AS14599 Besser Company, maintainer MAINT-CHTR-WD
    204.214.7.0/24
  11. Feb 25, 2013
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    204.212.116.0/22
  12. May 15, 2014
    Route object
    AS31863 Centrilogic, Inc.
    RADB route object for AS31863 Centrilogic, Inc., maintainer MAINT-CHTR-WD
    204.213.224.0/21
  13. May 28, 2015
    Route object
    AS11598 Cloudsmart
    RADB route object for AS11598 Cloudsmart, maintainer MAINT-AS5650
    204.213.176.0/20
  14. May 28, 2015
    Route object
    AS11598 Cloudsmart
    RADB route object for AS11598 Cloudsmart, maintainer MAINT-AS5650
    204.213.232.0/22
  15. Feb 10, 2016
    Route object
    AS7849 RingSquared CC
    ALTDB route object for AS7849 RingSquared CC, maintainer MAINT-TOWARDEX
    204.213.240.0/21
  16. Apr 27, 2016
    Route object
    AS26410 Point To Point Access.Com
    RADB route object for AS26410 Point To Point Access.Com, maintainer MAINT-AS5650
    204.213.190.0/24
  17. Apr 28, 2016
    Route object
    AS6062 NETPLEX
    RADB route object for AS6062 NETPLEX, maintainer MAINT-AS5650
    204.213.176.0/20
  18. Apr 28, 2016
    Route object
    AS6062 NETPLEX
    RADB route object for AS6062 NETPLEX, maintainer MAINT-AS5650
    204.213.190.0/24
  19. Apr 28, 2016
    Route object
    AS6062 NETPLEX
    RADB route object for AS6062 NETPLEX, maintainer MAINT-AS5650
    204.213.232.0/22
  20. Apr 29, 2016
    Route object
    AS26410 Point To Point Access.Com
    RADB route object for AS26410 Point To Point Access.Com, maintainer MAINT-AS5650
    204.213.176.0/20
  21. Oct 17, 2018
    Route object
    AS13767 DataBank Holdings, Ltd.
    RADB route object for AS13767 DataBank Holdings, Ltd., maintainer MAINT-RR
    204.214.143.0/24
  22. Apr 14, 2019
    Route object
    AS46887 Crown Castle Fiber LLC
    RADB route object for AS46887 Crown Castle Fiber LLC, maintainer MAINT-AS27506
    204.213.176.0/20
  23. Apr 14, 2019
    Route object
    AS46887 Crown Castle Fiber LLC
    RADB route object for AS46887 Crown Castle Fiber LLC, maintainer MAINT-AS27506
    204.213.232.0/22
  24. May 11, 2021
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
  25. Jun 6, 2023
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
  26. May 5, 2024– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  27. Mar 20, 2025
    Route object
    AS14813 Columbus Telecommunications (Barbados) Limited
    RADB route object for AS14813 Columbus Telecommunications (Barbados) Limited, maintainer MAINT-AS23520
    204.212.240.0/21
  28. Sep 3, 2025
    Route object
    AS54573 Brightstar Global Solutions Corporation
    RADB route object for AS54573 Brightstar Global Solutions Corporation, maintainer MAINT-AS27506
    204.214.50.0/24

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
PrefixOriginTypeLeased fromProxy exitsHolderRPKI
204.212.40.0/24
since Sep 2024
AS174UnknownCogent Communications, LLC
204.212.166.0/24
since Sep 2024
AS174UnknownCogent Communications, LLC
204.212.170.0/24
since Apr 2008
AS30021BusinessCogent Communications, LLC
204.212.175.0/24
since May 2005
AS13431BusinessCogent Communications, LLC
204.212.176.0/20
since May 2005
AS19893HostingCogent Communications, LLC
via NTT Global Data Centers Americas, INC.
204.212.241.0/24
since Oct 2023
AS11139Residential29
1 always on
Cogent Communications, LLC
204.212.242.0/23
since Nov 2016
AS14813Residential3Cogent Communications, LLC
204.212.242.0/24
since Mar 2025
AS14813ResidentialCogent Communications, LLC
204.212.243.0/24
since Mar 2025
AS14813Residential3Cogent Communications, LLC
204.212.244.0/23
since Nov 2016
AS14813Residential4
1 always on
Cogent Communications, LLC
204.212.244.0/24
since Mar 2025
AS14813Residential1Cogent Communications, LLC
204.212.245.0/24
since Mar 2025
AS14813Residential3
1 always on
Cogent Communications, LLC
204.213.194.0/24
since May 2005
AS18632Residential1Cogent Communications, LLC
204.213.198.0/23
since May 2005
AS10461BusinessCogent Communications, LLC
204.214.144.0/20
since May 2005
AS7810BusinessCogent Communications, LLC
204.215.32.0/20
since May 2005
AS2379ResidentialCogent Communications, LLC
204.215.32.0/24
since Nov 2015
AS209ResidentialCogent Communications, LLC
204.215.37.0/24
since Nov 2015
AS209ResidentialCogent Communications, LLC
204.215.40.0/24
since Oct 2015
AS209ResidentialCogent Communications, LLC
204.215.64.0/18
since Sep 28, 2026
AS22773ISP proxyIP broker RackdogCogent Communications, LLC
204.215.240.0/20
since May 2005
AS2379ResidentialCogent Communications, LLC
via Sprint-United Telephone of Florida

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
204.212.0.0/14262,144COGENT-204-212-0Cogent Communications, LLC (COGC) · USDirect AllocationDec 11, 1994abuse@cogentco.com
└ 204.212.2.0/24256SPRINTLINKunknown———
└ 204.212.40.0/24256COMP-UNLTDComputers Unlimited (CUNL) · USReassignedDec 20, 1994guy@imt.net
└ 204.212.113.64/2664SPRINTLINKunknown———
└ 204.212.153.240/321SPRINTLINKunknown———
└ 204.212.167.192/298SPRINTLINKunknown———
└ 204.212.170.0/24256SPRINTLINKSonicWall (SONIC-13) · USReassignedApr 20, 2006eakinsanya@sonicwall.com
└ 204.212.171.56/298SPRINTLINKunknown———
└ 204.212.171.64/2816SPRINTLINKunknown———
└ 204.212.171.96/2732SPRINTLINKunknown———
└ 204.212.171.184/298SPRINTLINKunknown———
└ 204.212.171.240/298SPRINTLINKunknown———
└ 204.212.175.0/24256SPRINT-CCD4AF-1Millenium Partners, L.P. (MILLEN-18) · USReassignedNov 3, 1999abuse@mlp.com
└ 204.212.176.0/204,096SPRINTLINKNTT Global Data Centers Americas, INC. (RDC-63) · USReallocatedJul 30, 2014abuse@ragingwire.com
└ 204.213.51.8/298105657unknown———
└ 204.213.51.48/2816105657unknown———
└ 204.213.81.0/2732SPRINTLINKunknown———
└ 204.213.141.0/24256SPRINTLINKunknown———
└ 204.213.194.0/24256VIP-PRIMARY-204-213Volcano Telephone (VLCN) · USReassignedApr 20, 2001admin@volcano.net
└ 204.213.197.0/24256SPRINT-CCD5C5-1unknown———
└ 204.213.198.0/23512SPRINTLINKEze Castle Software LLC (ECS-101) · USReassignedNov 10, 2022—
└ 204.214.6.0/2664FON-343657830484100unknown———
└ 204.214.11.0/25128SPRINTLINKunknown———
└ 204.214.11.224/2732SPRINTLINKunknown———
└ 204.214.48.32/2816SPRINTLINKunknown———
└ 204.214.48.64/298SPRINTLINKunknown———
└ 204.214.51.0/2732SPRINTLINKunknown———
└ 204.214.51.32/2732SPRINTLINKunknown———
└ 204.214.51.128/2732SPRINTLINKunknown———
└ 204.214.85.120/321SPRINTLINKunknown———
└ 204.214.93.128/298SPRINTLINKunknown———
└ 204.214.93.192/2732SPRINTLINKunknown———
└ 204.214.127.144/2816105660unknown———
└ 204.214.127.176/298105660unknown———
└ 204.214.127.184/298105660unknown———
└ 204.214.144.0/204,096SPRINTLINKCompucom Systems (COMPU-98) · USReassignedMar 18, 2022DLGISNAmerEngineering@compucom.com
└ 204.214.194.128/2732SPRINTLINKunknown———
└ 204.214.194.248/298SPRINTLINKunknown———
└ 204.214.196.72/298SPRINTLINKunknown———
└ 204.214.196.96/298SPRINTLINKunknown———
└ 204.214.196.104/298SPRINTLINKunknown———
└ 204.214.196.112/298SPRINTLINKunknown———
└ 204.214.196.128/2664SPRINTLINKunknown———
└ 204.214.196.200/298SPRINTLINKunknown———
└ 204.214.196.208/2816SPRINTLINKunknown———
└ 204.215.53.0/2816SPRINTLINKunknown———
└ 204.215.53.24/298SPRINTLINKunknown———
└ 204.215.53.80/298SPRINTLINKunknown———
└ 204.215.53.200/298SPRINTLINKunknown———
└ 204.215.64.0/1816,384RACKDOG-CGNT-NET-32RCN (C11605227) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-204-212-0
└ 204.215.163.166/321SPRINTLINKunknown———
└ 204.215.240.0/204,096SPRINT-CCD7F0-3Sprint-United Telephone of Florida (UTOF) · USReallocatedApr 19, 1999—
└ 204.215.240.64/2732204CCBAU1unknown———
└ 204.215.240.160/2732204CCHDSunknown———
└ 204.215.241.0/24256204TN1unknown———
└ 204.215.243.0 - 204.215.246.2551,024IAG-204-215-243-246unknown———
└ 204.215.244.192/2664ORBITER-CCD7F4C0unknown———
└ 204.215.245.0/24256APCO-CCD7F500unknown———
└ 204.215.246.0/24256LSCC-CCD7F600unknown———
└ 204.215.247.0/24256204-215-247CIWPunknown———
└ 204.215.248.0/23512204AISG1unknown———
└ 204.215.251.0 - 204.215.252.255512204WRAMP1unknown———
└ 204.215.253.0 - 204.215.254.255512204ZOOMPHunknown———
└ 204.215.255.0/24256204-215-255CRYWINDunknown———

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

262,144 addresses
TypeAddressesShareRanges
Internet provider225,60586%39
ISP proxyanonymizer16,3846.3%1
Residential9,6003.7%16
Business5,9472.3%40
Hosting4,0961.6%1
Unknown5120.20%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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