AS174
Cogent Communications, LLC ISP registered in United States
2,427IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
#10Rank in United States
1996-05-16Allocated
Cogent Communications, LLC (AS174) — ISP, registered in United States. announces 2,427 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,427IPv6 65
Announced prefixes · 2,492
- v4 114.66.232.0/22 unknown
- v4 120.138.32.0/19 unknown
- v4 128.14.25.0/24 valid
- v4 130.117.0.0/16 unknown
- v4 130.117.183.0/24 unknown
- v4 130.51.104.0/24 unknown
- v4 130.51.105.0/24 unknown
- v4 131.125.0.0/20 unknown
- v4 131.143.42.0/24 valid
- v4 136.161.0.0/16 unknown
- v4 139.171.192.0/23 unknown
- v4 139.64.236.0/22 valid
- v4 140.228.21.0/24 valid
- v4 140.228.24.0/24 valid
- v4 140.233.160.0/22 valid
- v4 140.235.116.0/22 valid
- v4 141.193.250.0/24 unknown
- v4 141.98.173.0/24 unknown
- v4 142.131.210.0/24 unknown
- v4 142.248.104.0/22 unknown
- v4 142.248.236.0/23 valid
- v4 143.14.146.0/24 valid
- v4 143.14.148.0/24 valid
- v4 143.14.153.0/24 valid
- v4 143.14.155.0/24 valid
- v4 143.14.195.0/24 valid
- v4 143.240.0.0/16 unknown
- v4 144.223.0.0/16 unknown
- v4 144.223.192.0/24 unknown
- v4 144.223.193.0/24 unknown
- v4 144.223.194.0/24 unknown
- v4 144.224.0.0/16 unknown
- v4 144.228.0.0/15 unknown
- v4 144.232.0.0/16 unknown
- v4 144.56.110.0/24 valid
- v4 144.56.20.0/24 valid
- v4 144.56.23.0/24 valid
- v4 144.56.33.0/24 valid
- v4 144.56.40.0/24 valid
- v4 144.56.90.0/24 valid
- v4 148.135.193.0/24 valid
- v4 148.253.244.0/23 unknown
- v4 148.254.0.0/16 unknown
- v4 149.100.0.0/16 unknown
- v4 149.100.139.0/24 unknown
- v4 149.100.160.0/24 unknown
- v4 149.100.165.0/24 unknown
- v4 149.100.184.0/21 unknown
- v4 149.100.68.0/24 unknown
- v4 149.100.74.0/24 unknown
RPKI: rpki.cloudflare.com · 2026-06-17
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 2435 |
| 2026-06-13 | 2435 |
| 2026-06-14 | 2435 |
| 2026-06-16 | 2426 |
| 2026-06-17 | 2492 |
Facilities · 818
- 1-Net East Singapore
- 1025Connect Westbury
- 123.NET - DC1 - 24700 Northwestern Hwy. Southfield
- 1500 Champa Denver
- 1530 SWIFT - NOCIX North Kansas City
- 2Connect DC10 Budapest
- 365 Data Centers Chicago (CH6) Chicago
- 365 Data Centers Detroit (DT1) Southfield
- 365 Data Centers New York (NY10) New York
- 365 Data Centers Philadelphia (PH2) Philadelphia
- 4 Data Center Katowice
- 43915 Devin Shafron Ashburn
- 75 Broad Street New York
- AINET - Beltsville Beltsville
- ANS - MAN4 Manchester
- ANS - MAN5 Manchester
- ANS - MAN6 Manchester
- AT TOKYO (CC1/CC2) Tokyo
- ATMAN Data Center Warsaw-2 (WAW-2, Konstruktorska 5) Warsaw
- Adam - MAD Alcalá de Henares
- Africa Data Centres, Johannesburg JHB1, South Africa Midrand
- AiNET MD-300L Baltimore
- AiNET WDC11 Laurel
- Aligned Dallas (DFW-01) Plano
- Aligned Phoenix (PHX-01) Phoenix
+793
AS topology · Customer cone 40,552
Peers · 93
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