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Data as of Nov 7, 2026

204.248.0.0/14

No anonymizer space

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
90% of it

Residential-proxy exits

Proxy exits
52
0.02% of its addresses · listed by providers
Always-on exits
12
23% of its exits
Spread
19 of 1,024
/24s with at least one exit
Providers
70
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
204.249.66.0/2436
204.248.126.0/2415
204.248.122.0/2415
204.248.115.0/2414
204.250.85.0/2413
204.248.120.0/2413
204.250.250.0/2412
204.248.119.0/2412
204.249.69.0/2412
204.248.123.0/2411
204.248.125.0/2405
204.250.84.0/2405
204.248.114.0/2402
204.248.117.0/2402
204.249.67.0/2401
204.248.121.0/2401
204.250.82.0/2401
204.248.118.0/2401
204.251.33.0/2401

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NextProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE

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
204.248.112.0/20
since Sep 2005
AS14828Residential31
6 always on
Cogent Communications, LLC
via Hiawatha Broadband Communications, Inc
204.249.32.0/20
since Sep 2016
AS4133ResidentialCogent Communications, LLC
via Bitwise Internet Technologies
204.249.64.0/21
since May 2005
AS29968Residential9
4 always on
Cogent Communications, LLC
204.249.64.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
204.249.66.0/23
since Jun 2023
AS29968Residential7
3 always on
Cogent Communications, LLC
204.249.68.0/23
since Jun 2023
AS29968Residential2
1 always on
Cogent Communications, LLC
204.249.70.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
204.249.124.0/22
since May 2020
AS209ResidentialCogent Communications, LLC
via Ltd Sprint-WR-BMO
204.249.180.0/24
since Jan 2023
AS400471ResidentialCogent Communications, LLC
204.249.192.0/20
since May 2012
AS8025BusinessCogent Communications, LLC
via Chickasaw Telecommunications Services, Inc.
204.250.24.0/24
since May 2005
AS18632ResidentialCogent Communications, LLC
204.250.80.0/21
since May 2013
AS11924Residential9
1 always on
Cogent Communications, LLC
204.250.82.0/24
since Feb 2016
AS11924Residential1Cogent Communications, LLC
204.250.83.0/24
since Jan 2026
AS11924ResidentialCogent Communications, LLC
204.250.84.0/23
since Sep 2024
AS11924Residential8
1 always on
Cogent Communications, LLC
204.250.86.0/23
since Sep 2024
AS11924ResidentialCogent Communications, LLC
204.250.96.0/20
since May 2005
AS3734BusinessCogent Communications, LLC
via Santa Clara County Office of Education
204.250.160.0/24
since Jun 2025
AS174BusinessCogent Communications, LLC
204.250.250.0/23
since Jul 2020
AS54239Residential2
1 always on
Cogent Communications, LLC
via Bloomingdale Telephone Inc
204.251.32.0/22
since May 2006
AS2933Business1Cogent Communications, LLC
via Real/Time Communications
204.251.175.0/24
since Apr 2025
AS22903HostingCogent Communications, LLC
204.251.218.0/24
since Jan 2023
AS400471ResidentialCogent Communications, LLC
204.251.219.0/24
since Jan 2023
AS400471ResidentialCogent Communications, LLC
204.251.230.0/24
since May 2025
AS20325BusinessCogent Communications, LLC
204.251.255.0/24
since Oct 2009
AS46853ResidentialCogent Communications, LLC
via Sidlinger Computer Corporation

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
204.248.0.0/14262,144COGENT-204-248-0Cogent Communications, LLC (COGC) · USDirect AllocationFeb 1, 1995abuse@cogentco.com
└ 204.248.45.0/298SPRINTLINKunknown———
└ 204.248.45.8/298SPRINTLINKunknown———
└ 204.248.48.0/204,096SPRINTLINKunknown———
└ 204.248.83.64/2664SPRINTLINKunknown———
└ 204.248.83.192/2732SPRINTLINKunknown———
└ 204.248.88.8/298FON-343882752893040unknown———
└ 204.248.112.0/204,096SPRINTLINKHiawatha Broadband Communications, Inc (HBC-73) · USReallocatedJun 29, 2023abuse@exchange.hbci.com
└ 204.248.157.0/24256FON-343884518419760unknown———
└ 204.249.32.0/204,096FON-34388787201464Bitwise Internet Technologies (BITW1) · USReallocatedJan 4, 2002—
└ 204.249.64.0/212,048FON-34388869121466Dunkirk & Fredonia Telephone Company (DFT) · USReassignedJul 26, 2002—
└ 204.249.106.224/2732SPRINTLINKunknown———
└ 204.249.121.16/2816SPRINTLINKunknown———
└ 204.249.124.0/221,024FON-343890227264273Ltd Sprint-WR-BMO (LTDS) · USReallocatedOct 18, 2000—
└ 204.249.124.0/2816SPRINTLTD-CCF97C00unknown———
└ 204.249.124.16/298SLTD-CCF97C10-011128unknown———
└ 204.249.124.64/2664SLTD-CCF97C40-020115unknown———
└ 204.249.176.22/321SPRINTLINKunknown———
└ 204.249.180.0/24256FON-343891660890340Wheatland Electric Cooperative, Inc (WEC-15) · USReassignedNov 1, 2001—
└ 204.249.181.0/2664FON-343891686490341unknown———
└ 204.249.192.0/204,096SPRINTLINKChickasaw Telephone (CHCK) · USReallocatedOct 30, 2002kstaggs@chickasawphone.net
└ 204.249.192.0/204,096CTSI-1Chickasaw Telecommunications Services, Inc. (CTS-112) · USReallocatedMar 28, 2006—
└ 204.249.224.128/2664SPRINTLINKunknown———
└ 204.249.224.192/2816SPRINTLINKunknown———
└ 204.249.236.0/23512SPRINTLINKunknown———
└ 204.250.24.0/24256VIP-PRIMARY-204-250Volcano Telephone (VLCN) · USReassignedNov 2, 2000admin@volcano.net
└ 204.250.75.0/2816SPRINTLINKunknown———
└ 204.250.80.0/212,048SPRINTLINKBridge Band Communications/At (BBC-22) · USReassignedDec 9, 2002—
└ 204.250.96.0/204,096SPRINT-CCFA6FSanta Clara County Office of Education (SCCO) · USReallocatedApr 28, 1995—
└ 204.250.119.0/24256SPRINTunknown———
└ 204.250.122.0/24256FON-34389672961542unknown———
└ 204.250.123.0/24256SPRINT-CCFA7Bunknown———
└ 204.250.123.0/24256COGENT-FRAME-WANunknown———
└ 204.250.250.0/23512SPRINTLINKBloomingdale Telephone Inc (BLOOMI-5) · USReallocatedJul 8, 2003—
└ 204.251.16.64/2816SPRINTLINKunknown———
└ 204.251.16.104/298SPRINTLINKunknown———
└ 204.251.32.0/221,024REAL-TIME-CGNT-NET-1Real/Time Communications (BGA-15) · USReallocatedDec 29, 2023—
└ 204.251.175.0/24256CBS-INC-CGNT-NET-1Myers and Stauffer LC (C11197152) · USReassignedMay 7, 2025abuse@cogentco.com
via COGENT-204-248-0
└ 204.251.182.0/2664SPRINTLINKunknown———
└ 204.251.182.88/298FON-3439048280101745unknown———
└ 204.251.218.0/23512FON-343905740836829Wheatland Electric Cooperative, Inc (WEC-15) · USReassignedJul 17, 2002—
└ 204.251.230.0/24256SPRINTLINKPatelco Credit Union (PCU-7) · USReassignedMar 13, 2003itsupport@patelco.org
└ 204.251.252.0/221,024SPRINT-CCFBFFSidlinger Computer Corporation (SCC) · USReallocatedApr 24, 1995sidlinger@gmail.com
└ 204.251.252.0/221,024SIDLINGER-SWTEXAS-252-255Southwest Texas Telephone Company (C02201320) · USReassignedApr 7, 2009sidlinger@gmail.com
via SPRINT-CCFBFF

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 provider236,71190%27
Residential16,0406.1%23
Business9,1373.5%24
Hosting2560.10%1

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