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Data as of Nov 8, 2026

204.94.0.0/15

16,384 anonymizer addresses · 13% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
82% of it

Residential-proxy exits

Proxy exits
3
<0.01% of its addresses · listed by providers
Spread
1 of 512
/24s with at least one exit
Providers
22
selling exits here

Proxy providers listing exits

  • Ake.net
  • Byteful
  • CliProxy
  • ColaProxy
  • Decodo
  • EnigmaProxy
  • FastProxy
  • GloryCloud
  • KocerRoxy
  • LemonBright
  • LudaxProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • ProxyEmpire
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Thordata
  • TrueProxies
  • VantageProxies
  • WealthProxies
  • ZENPROXY_LITE
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jul 13, 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 204.94.0.0/15/24s
Rackdog
16,38413%
64
Leased from

Owners leasing their own space

NameIn 204.94.0.0/15/24s
Cogent Communications, LLC
16,38413%
64

Lineage

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

204.94.0.0/15

From the registry to its use

  1. Jul 13, 1994
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    204.94.0.0 - 204.97.255.255
  2. Dec 20, 2001
    Route object
    AS11500 Milwaukee School of Engineering
    RADB route object for AS11500 Milwaukee School of Engineering, maintainer MAINT-AS1828
    204.94.146.0/24
  3. Feb 13, 2003
    Route object
    AS23375 Tennessee Emergency Management Agency
    ALTDB route object for AS23375 Tennessee Emergency Management Agency, maintainer GTA-MNT
    204.94.136.0/24
  4. May 9, 2005– May 16, 2024
    Announced
    AS1239 Cogent Communications, LLC
  5. Dec 4, 2006
    Route object
    AS16941 CenturyLink Communications, LLC
    BELL route object for AS16941 CenturyLink Communications, LLC, maintainer BELL-RC
    204.94.105.0/24
  6. Dec 4, 2006
    Route object
    AS16941 CenturyLink Communications, LLC
    BELL route object for AS16941 CenturyLink Communications, LLC, maintainer BELL-RC
    204.94.106.0/24
  7. Dec 4, 2006
    Route object
    AS16941 CenturyLink Communications, LLC
    BELL route object for AS16941 CenturyLink Communications, LLC, maintainer BELL-RC
    204.94.107.0/24
  8. Mar 18, 2009
    Route object
    AS36488 Southwest Airlines Co.
    RADB route object for AS36488 Southwest Airlines Co., maintainer MAINT-AS1828
    204.94.154.0/24
  9. Mar 22, 2016
    Route object
    AS45177 Devoli
    RADB route object for AS45177 Devoli, maintainer MAINT-AS2764
    204.94.136.0/24
  10. May 11, 2021
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
  11. Sep 10, 2021
    Route object
    AS7268 Athenet Internet Services
    ARIN route object for AS7268 Athenet Internet Services, maintainer MNT-ADE
    204.95.169.0/24
  12. May 20, 2022
    Route object
    AS22773 Cox Communications Inc.
    RADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS22773
    204.94.175.0/24
  13. Jun 6, 2023
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
  14. Feb 23, 2024
    Route object
    AS17378 TierPoint, LLC
    RADB route object for AS17378 TierPoint, LLC, maintainer MAINT-AS17378
    204.94.175.0/24
  15. May 5, 2024– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  16. Jan 13, 2025
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
    204.94.72.0/21
  17. Jan 13, 2025
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
    204.95.40.0/21
  18. Aug 1, 2025
    Route object
    AS272082
    ALTDB route object for AS272082, maintainer JARMTEL-MNT
    204.94.0.0/20
  19. Aug 1, 2025
    Route object
    AS272082
    ALTDB route object for AS272082, maintainer JARMTEL-MNT
    204.94.16.0/20
  20. Aug 1, 2025
    Route object
    AS272082
    ALTDB route object for AS272082, maintainer JARMTEL-MNT
    204.95.64.0/20
  21. Aug 1, 2025
    Route object
    AS272082
    ALTDB route object for AS272082, maintainer JARMTEL-MNT
    204.95.80.0/20

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

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
204.94.80.0/20
since May 2005
AS19893HostingCogent Communications, LLC
204.94.88.0/24
since Feb 2010
AS19893HostingCogent Communications, LLC
204.94.104.0/24
since Dec 2024
AS174UnknownCogent Communications, LLC
204.94.238.0/24
since Feb 2016
AS36134BusinessCogent Communications, LLC
204.95.8.0/22
since May 2005
AS26725Residential3Cogent Communications, LLC
204.95.150.0/24
since Jan 2023
AS11273BusinessCogent Communications, LLC
204.95.160.0/24
since Dec 2016
AS3549UnknownCogent Communications, LLC
via Internet Connect Inc.
204.95.192.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
204.95.208.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
204.95.224.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
204.95.240.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, 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
204.94.0.0 - 204.97.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationJul 13, 1994abuse@cogentco.com
└ 204.94.36.88/304SPRINTLINKunknown———
└ 204.94.36.92/321SPRINTLINKunknown———
└ 204.94.36.144/2816SPRINTLINKunknown———
└ 204.94.37.0/25128SPRINTLINKunknown———
└ 204.94.39.0/24256SPRINTLINKunknown———
└ 204.94.48.232/298SPRINTLINKunknown———
└ 204.94.57.128/25128FON-342872716819140unknown———
└ 204.94.66.224/2732SPRINTLINKunknown———
└ 204.94.67.128/25128SPRINTLINKunknown———
└ 204.94.80.0/204,096SPRINTLINKNTT Global Data Centers Americas, INC. (RDC-63) · USReassignedApr 22, 2014abuse@ragingwire.com
└ 204.94.103.160/298SPRINTLINKunknown———
└ 204.94.104.0/24256SPRINT-CC5E68George Butler Associates, Inc (GBA-2) · USReassignedSep 15, 1999—
└ 204.94.126.192/2816SPRINTLINKunknown———
└ 204.94.134.0/24256SPRINTLINKunknown———
└ 204.94.135.128/2664SPRINTLINKunknown———
└ 204.94.162.160/2816SPRINTLINKunknown———
└ 204.94.162.192/298SPRINTLINKunknown———
└ 204.94.162.208/298SPRINTLINKunknown———
└ 204.94.162.224/2816SPRINTLINKunknown———
└ 204.94.163.0/298SPRINTLINKunknown———
└ 204.94.238.0/24256SPRINTLINKSCP Distributors (SCPDI) · USReassignedDec 8, 2015—
└ 204.95.8.0/221,024SPRINTLINKLiberty Communications (LIBERT-63) · USReassignedNov 21, 2003—
└ 204.95.91.188/321SPRINTLINKunknown———
└ 204.95.114.96/2816SPRINTLINKunknown———
└ 204.95.141.192/2664SPRINTLINKunknown———
└ 204.95.142.104/298SPRINTLINKunknown———
└ 204.95.146.0/25128SPRINTLINKunknown———
└ 204.95.147.144/2816SPRINTLINKunknown———
└ 204.95.150.0/24256SPRINTLINKFiserv Solutions, LLC (FSL-293) · USReassignedJul 31, 2023ESMSustainingEng@Fiserv.com
└ 204.95.160.0/198,192SPRINT-CC5FBFInternet Connect Inc. (INC) · USReallocatedSep 16, 1994—
└ 204.95.160.0/24256NET-INCNET-MKEInternet Connect, Inc. Milwaukee (ICIM) · USReassignedDec 4, 1995—
└ 204.95.161.0/24256NET-INCNET-MRCFRunknown———
└ 204.95.162.0/24256NET-INCNET-RAKunknown———
└ 204.95.163.0/24256NET-INCNET-EAUunknown———
└ 204.95.164.0/24256NET-INCNET-APLunknown———
└ 204.95.165.0/24256INCNET-CIRCUSDATA-RAKunknown———
└ 204.95.166.0/24256INCNET-ISC-MKEunknown———
└ 204.95.168.0/24256INCNET-HD-MKEunknown———
└ 204.95.169.0/24256TWTC-MILW-C-ADE-00unknown———
└ 204.95.170.0/24256INCNET-JDPUB-MKEunknown———
└ 204.95.171.0/24256INCNET-CNI-WATunknown———
└ 204.95.173.0/24256INCNET-RRGROUP-MKEunknown———
└ 204.95.174.0/24256INCNET-DATATEK-WAUunknown———
└ 204.95.175.0/24256INCNET-FETCH-MKEunknown———
└ 204.95.176.0/24256TWTC-FNISunknown———
└ 204.95.177.0/24256INCNET-HORACEMANN-MKEunknown———
└ 204.95.178.0/24256INCNET-ENTERCOM-MKEunknown———
└ 204.95.179.0/24256INCNET-ATI-MRCunknown———
└ 204.95.184.0/24256INCNET-ONEIDA-MRCunknown———
└ 204.95.185.0/24256INCNET-PCHYDRM-MKEunknown———
└ 204.95.186.0/24256INCNET-ENTERPRISE-MKEunknown———
└ 204.95.187.0/24256INCNET-TAR-MKEunknown———
└ 204.95.188.0/24256INCNET-AZTEK-WATunknown———
└ 204.95.190.0/24256INCNET-BANTA-MRCunknown———
└ 204.95.191.0/24256INCNET-MCRPC-MKEunknown———
└ 204.95.192.0/1816,384RACKDOG-CGNT-NET-34RCN (C11605229) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC

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 provider107,59482%28
ISP proxyanonymizer16,38413%4
Hosting4,0963.1%3
Business1,4621.1%24
Residential1,0240.78%1
Unknown5120.39%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