204.204.0.0

  • No reverse DNS
  • Not on blocklists
Network
COGENT-204-204-0
Held by
Cogent Communications, LLC
Range
204.204.0.0 - 204.207.255.255
CIDR
204.204.0.0/14
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
abuse@cogentco.com
Checked

Reverse DNS

Names
None

Network

Announced by
AS174 Cogent Communications, LLC
Route
204.204.0.0/14, carried by 3,195 of bgp.tools' BGP feeds
Kind
T1
Country
US
Tagged
Tor services, Server Hosting, Anycast, Business Broadband, Internet Critical Infra, Tranco 10k Host, Validating RPKI ROV

Upstreams and peers

  • AS1299 Arelion (fka. Telia Carrier)287,010 paths
  • AS3356 Lumen (Level 3)134,136 paths
  • AS327727 C-Squared Limited128,294 paths
  • AS6762 Telecom Italia Sparkle (Seabone)123,028 paths
  • AS38008 Aperture Science Limited95,658 paths
  • AS3491 PCCW Global (HK) Ltd.88,774 paths
  • AS200612 Gulf Bridge International Inc.86,206 paths
  • AS6453 TATA Communications (America) Inc75,434 paths
  • AS34549 meerfarbig GmbH & Co. KG74,625 paths
  • AS2914 NTT America, Inc.70,206 paths
  • AS6461 Zayo Bandwidth67,476 paths
  • AS50673 Serverius Holding B.V.59,206 paths

And 192 more

Downstreams

  • AS3356 Lumen (Level 3)188,345 paths
  • AS1299 Arelion (fka. Telia Carrier)143,135 paths
  • AS6453 TATA Communications (America) Inc69,030 paths
  • AS7018 AT&T Enterprises, LLC59,828 paths
  • AS3257 GTT Communications Inc.58,233 paths
  • AS13786 Seaborn (Seabras USA, LLC)55,864 paths
  • AS23520 Columbus Networks USA, Inc.53,931 paths
  • AS3491 PCCW Global (HK) Ltd.45,303 paths
  • AS6461 Zayo Bandwidth41,264 paths
  • AS6762 Telecom Italia Sparkle (Seabone)40,351 paths
  • AS14840 BR.DIGITAL36,771 paths
  • AS4826 Vocus Connect International Backbone35,754 paths

And 6,521 more

From RIPEstat

Routes AS174 announces

3,888 IPv4 prefixes covering 36,337,664 addresses, and 450 IPv6 prefixes

From bgp.tools

Location

Map © OpenStreetMap contributors
Location
United States
Accuracy
Within 1,000 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

WHOIS

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       204.204.0.0 - 204.207.255.255
CIDR:           204.204.0.0/14
NetName:        COGENT-204-204-0
NetHandle:      NET-204-204-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1994-12-05
Updated:        2025-12-23
Ref:            https://rdap.arin.net/registry/ip/204.204.0.0



OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/COGC

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#