1. All IP Ranges
  2. 204.0.0.0/8
  3. 204.157.0.0/16
  4. AS174  | 204.157.0.0/16

204.157.0.0/16

AS174  ·  Cogent Communications, LLC

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Summary

Country United States
Domain cogentco.com
ASN AS174
Registry ARIN
ID COGENT-204-157-16

WHOIS Details

NetHandle:      NET-204-157-0-0-1
OrgID:          COGC
Parent:         NET-204-0-0-0-0
NetName:        COGENT-204-157-16
NetRange:       204.157.0.0 - 204.157.255.255
NetType:        allocation
RegDate:        1994-09-21
Updated:        2025-09-23
Source:         ARIN


OrgID:          COGC
OrgName:        Cogent Communications, LLC
CanAllocate:    
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
RegDate:        2000-05-30
Updated:        2025-09-23
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgAdminHandle: IPALL-ARIN
OrgTechHandle:  IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgNOCHandle:   ZC108-ARIN
Source:         ARIN


POCHandle:      ZC108-ARIN
IsRole:         Y
LastName:       Cogent Communications
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2001-01-24
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        noc@cogentco.com
Source:         ARIN


POCHandle:      COGEN-ARIN
IsRole:         Y
LastName:       Cogent Abuse
FirstName:      
Street:         2450 N street, NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        abuse@cogentco.com
Source:         ARIN


POCHandle:      IPALL-ARIN
IsRole:         Y
LastName:       IP Allocation
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        ipalloc@cogentco.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 204.157.0.0/16

Range ASN Company Num of IPs
204.157.233.0/24 AS269898 Sistema Comunicaciones TV SAC 256
204.157.243.0/24 AS274131 256
204.157.254.0/24 AS271982 TELEVISION, PUNTO I COMUNICACIONES, S.R.L. 256
204.157.240.0/24 AS274129 ABITAVERAS WIRELESS, S.R.L. 256
204.157.236.0/24 AS52511 MLINK TELECOM 256
204.157.79.0/24 AS273506 Cnx Projetos e Tecnologia LTDA 256
204.157.134.0/24 AS211084 RF COM S.R.L. 256
204.157.237.0/24 AS211580 BDR INFORMATICA Y COMUNICACIONES, SL 256
204.157.78.0/24 AS265315 F. L. CAHUE DE OLIVEIRA - INFORMATICA 256
204.157.234.0/24 AS265446 FASTNET TELECOM LTDA 256
204.157.244.0/24 AS274131 256
204.157.245.0/24 AS268695 Carlos Andre de Oliveira 256
204.157.247.0/24 AS268695 Luis Felipe Alves de Souza 256
204.157.99.0/24 AS268952 DMZ INTERNET LTDA - MZ NET INTERNET FIBRA 256
204.157.250.0/24 AS270175 iCentral Sistemas y Comunicaciones, S.A. de C.V. 256
204.157.255.0/24 AS272830 TELCOMNET PERU S.A.C. 256
204.157.251.0/24 AS272868 SEQURE NETWORKS SRL 256
204.157.232.0/24 AS272930 Intercol Colombia 256
204.157.96.0/24 AS272951 Intercom Servicios C.A. 256
204.157.76.0/24 AS274020 Cogent Communications - IPENG 256
204.157.77.0/24 AS11432 Telium Telecomunicações Ltda 256
204.157.3.0/24 AS174 Cogent communications - IPENG 256
204.157.98.0/24 AS11404 North Olympic Peninsula Data Centers, LLC 256
204.157.166.0/23 AS272744 DC INTERNET LTDA 512
204.157.184.0/23 AS273143 SIGNAL PERU S.A.C. 512
204.157.132.0/23 AS267219 NETWARE TELECOMUNICACOES E INFORMATICA EIRELI 512
204.157.248.0/23 AS399622 Wireless Data Net, LLC 512
204.157.162.0/23 AS174 Cogent Communications - IPENG 512
204.157.144.0/23 AS273586 FLAVIO FERNANDO COSTA / JF NET TELECOMUNICACOES, INFORMATICA E SEGURANCA 512
204.157.108.0/22 AS53107 ITMinds Consultoria Em Tecnologica - K2 Network 1,024
204.157.148.0/22 AS174 PIX BRASIL NETWORKS LTDA 1,024
204.157.104.0/22 AS265622 Wistarip Networks 1,024
204.157.100.0/22 AS273648 Rede Gama Telecom 1,024
204.157.188.0/22 AS46388 Max Internet Solutions LLC 1,024
204.157.136.0/21 AS174 Cogent Communications - IPENG 2,048
204.157.80.0/20 AS27694 Flamingo TV Bonaire B.V. 4,096

Nearby Ranges

BGP prefixes that overlap with 204.0.0.0/8

Range ASN Company Num of IPs
204.4.0.0/14 AS174 Cogent Communications, LLC 262,144
204.0.0.0/14 AS203020 NTT America, Inc. 262,144
204.248.0.0/14 AS174 Sprint 262,144
204.0.0.0/14 AS6424 NTT America, Inc. 262,144
204.252.0.0/14 AS11606 Verizon Business 262,144
204.240.0.0/14 AS174 Cogent Communications, LLC 262,144
204.252.0.0/14 AS22883 Verizon Business 262,144
204.64.0.0/14 AS1761 Texas Department of Information Resources 262,144
204.212.0.0/14 AS174 Sprint 262,144
204.180.0.0/14 AS174 Sprint 262,144
204.176.0.0/14 AS701 Verizon Business 262,144
204.148.0.0/14 AS701 Verizon Business 262,144
204.200.0.0/14 AS2914 NTT America, Inc. 262,144
204.252.0.0/14 AS701 Verizon Business 262,144
204.176.0.0/14 AS15297 Verizon Business 262,144
204.176.0.0/14 AS9009 Verizon Business 262,144
204.0.0.0/14 AS2914 NTT America, Inc. 262,144
204.70.0.0/15 AS3561 CenturyLink Communications, LLC 131,072
204.170.0.0/15 AS2914 NTT America, Inc. 131,072
204.142.0.0/15 AS2914 NTT America, Inc. 131,072
204.84.0.0/15 AS6559 MCNC 131,072
204.84.0.0/15 AS20197 MCNC 131,072
204.20.0.0/15 AS749 DoD Network Information Center 131,072
204.46.0.0/15 AS14298 Environmental Protection Agency 131,072
204.72.0.0/15 AS1347 Inteliquent, inc. 131,072
204.220.0.0/15 AS5006 Inteliquent, inc. 131,072
204.84.0.0/15 AS11442 MCNC 131,072
204.70.0.0/15 AS11012 CenturyLink Communications, LLC 131,072
204.84.0.0/15 AS81 MCNC 131,072
204.72.0.0/15 AS5006 Inteliquent, inc. 131,072
204.208.0.0/16 AS721 Headquarters, USAISC 65,536
204.125.0.0/16 AS22463 CDK Global, LLC 65,536
204.224.0.0/16 AS22463 CDK Global, LLC 65,536
204.41.0.0/16 AS868 GONET 65,536
204.91.0.0/16 AS2828 Verizon Business 65,536
204.111.0.0/16 AS21759 Shenandoah Cable Television LLC 65,536
204.41.0.0/16 AS866 GONET 65,536
204.41.0.0/16 AS867 GONET 65,536
204.135.0.0/16 AS7726 FedEx 65,536
204.41.0.0/16 AS869 GONET 65,536
204.92.0.0/16 AS22863 Verizon Business 65,536
204.41.0.0/16 AS870 GONET 65,536
204.217.0.0/16 AS174 Cogent Communications, LLC 65,536
204.49.0.0/16 AS209 CenturyLink Communications, LLC 65,536
204.59.0.0/16 AS5511 Orange Business Services U.S., Inc. 65,536
204.41.0.0/16 AS864 GONET 65,536
204.92.0.0/16 AS14843 Verizon Business 65,536
204.41.0.0/16 AS860 GONET 65,536
204.41.0.0/16 AS861 GONET 65,536
204.60.0.0/16 AS20442 AT&T Enterprises, LLC 65,536

Hosted domains

There are 60 domain names hosted across 24 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
204.157.9.151 nuralia.net 1

Hosted domains API

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Pingable IPs

5,587 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
204.157.205.3 AS17069 Coop Telefonica Villa Gesell Ltda 9.30ms from Buenos Aires, AR
204.157.188.1 AS46388 Max Internet Solutions LLC 8.27ms from Phoenix, US
204.157.82.1 AS27694 Flamingo TV Bonaire N.V. 1.54ms from Willemstad, CW
204.157.171.76 AS133524 Global Technology Co., Ltd. 1.40ms from Yangon, MM
204.157.115.255 AS46883 Bay Country Communications, Inc. 3.98ms from Ashburn, US
204.157.212.215 AS17069 Coop Telefonica Villa Gesell Ltda 9.44ms from Buenos Aires, AR
204.157.254.143 AS271982 TELEVISION, PUNTO I COMUNICACIONES, S.R.L. 17.24ms from Miami, US
204.157.237.250 AS211580 Alt Urgell Fibra, S.L 4.70ms from Barcelona, ES
204.157.199.155 AS17069 Coop Telefonica Villa Gesell Ltda 9.54ms from Buenos Aires, AR
204.157.156.68 AS206283 YAHSAT FRANKFURT 570.73ms from Frankfurt am Main, DE
204.157.131.18 AS268314 EWERTON DA SILVA LOPES TELECOMUNICAÇÕES 1.71ms from Joao Pessoa, BR
204.157.78.17 AS265315 BINDNET RJ 9.18ms from Sao Paulo, BR
204.157.169.46 AS133524 Global Technology Co., Ltd. 0.86ms from Yangon, MM
204.157.113.65 AS46883 Bay Country Communications, Inc. 10.58ms from Ashburn, US
204.157.179.255 AS203217 Horizon Scope Mobile Telecom WLL 0.16ms from Baghdad, IQ
204.157.232.15 AS272930 INTERCOL WISP S.A.S. 13.25ms from Bogota, CO
204.157.197.34 AS17069 Coop Telefonica Villa Gesell Ltda 9.46ms from Buenos Aires, AR
204.157.217.58 AS17069 Coop Telefonica Villa Gesell Ltda 9.31ms from Buenos Aires, AR
204.157.192.191 AS17069 Coop Telefonica Villa Gesell Ltda 9.53ms from Buenos Aires, AR
204.157.76.164 AS274020 FADANET SPA 0.70ms from Santiago, CL
204.157.86.11 AS27694 Flamingo TV Bonaire N.V. 6.21ms from Willemstad, CW
204.157.221.185 AS17069 Coop Telefonica Villa Gesell Ltda 9.31ms from Buenos Aires, AR
204.157.200.14 AS17069 Coop Telefonica Villa Gesell Ltda 9.34ms from Buenos Aires, AR
204.157.245.1 AS268695 DIGITAL NET TELECOM 18.86ms from Fortaleza, BR
204.157.243.35 AS274131 ANDINATEL S.A.C. 1.05ms from Lima, PE

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
212.83.163.224 AS12876 SCALEWAY S.A.S. 0.25ms from Amsterdam, NL
104.7.242.64 AS7018 AT&T Enterprises, LLC 15.40ms from Atlanta, US
60.247.159.176 AS38283 CHINANET SiChuan Telecom Internet Data Center 3.97ms from Chengdu, CN
113.171.192.16 AS45899 VNPT Corp 0.40ms from Da Nang, VN
38.248.250.96 AS214483 FiberPower LLC 0.18ms from Draper, US
45.174.208.0 AS267388 Voafibra Comunicacao 18.15ms from Fortaleza, BR
87.180.105.80 AS3320 Deutsche Telekom AG 1.77ms from Hamburg, DE
88.26.204.64 AS3352 TELEFONICA DE ESPANA S.A.U. 1.38ms from Madrid, ES
80.42.83.192 AS13285 TalkTalk Communications Limited 2.87ms from Manchester, GB
47.201.231.208 AS5650 Frontier Communications of America, Inc. 6.53ms from Miami, US
116.74.134.208 AS17488 Hathway IP Over Cable Internet 4.20ms from Mumbai, IN
88.185.47.32 AS12322 Free SAS 8.87ms from Paris, FR
32.218.208.224 AS46690 Southern New England Telephone Company and SNET America, Inc. 4.58ms from Secaucus, US
202.158.152.0 AS17878 DREAMMARK1 1.05ms from Seoul, KR
58.226.240.128 AS9318 SK Broadband Co Ltd 6.48ms from Seoul, KR
216.130.128.128 AS11693 WideOpenWest Finance LLC 2.62ms from Atlanta, US
54.244.237.112 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
212.166.48.176 AS9208 WIN S.A. 1.28ms from Brussels, BE
223.185.69.240 AS45609 Bharti Airtel Ltd. AS for GPRS Service 6.58ms from Chennai, IN
18.221.69.224 AS16509 Amazon.com, Inc. 0.12ms from Columbus, US
76.25.95.96 AS7922 Comcast Cable Communications, LLC 4.51ms from Denver, US
178.33.211.80 AS16276 OVH SAS 0.06ms from Gravelines, FR
2.238.36.16 AS12874 Fastweb SpA 3.91ms from Milan, IT
178.141.219.144 AS8359 MTS PJSC 16.36ms from Moscow, RU
14.10.136.32 AS2516 KDDI CORPORATION 4.28ms from Osaka, JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f5 204.157.249.72
traceroute to 204.157.249.72 (204.157.249.72): 64 hops max, 52 byte packets
5 [AS213230] 5.161.0.85 0.356 ms
6 *
7 *
8 *
9 [AS6939] 184.105.39.98 24.935 ms
13 *
14 *
15 [AS399622] 204.157.249.72 46.671 ms
Measurement taken from IPinfo ProbeNet in Ashburn, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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