AS174
Cogent Communications, LLC ISP registered in United States
2,435IPv4 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 2,435 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,435IPv6 65
Announced prefixes · 2,500
- v4 149.71.139.0/24 unknown
- v4 149.71.140.0/24 unknown
- v4 149.71.141.0/24 unknown
- v4 149.71.142.0/24 unknown
- v4 149.71.143.0/24 unknown
- v4 149.71.144.0/24 unknown
- v4 149.71.145.0/24 unknown
- v4 149.71.146.0/24 unknown
- v4 149.71.147.0/24 unknown
- v4 149.71.148.0/24 unknown
- v4 149.71.149.0/24 unknown
- v4 149.71.150.0/24 unknown
- v4 149.71.151.0/24 unknown
- v4 149.71.152.0/24 unknown
- v4 149.71.153.0/24 unknown
- v4 149.71.154.0/24 unknown
- v4 149.71.155.0/24 unknown
- v4 149.71.156.0/24 unknown
- v4 149.71.157.0/24 unknown
- v4 149.71.158.0/24 unknown
- v4 149.71.159.0/24 unknown
- v4 149.78.0.0/16 unknown
- v4 149.78.128.0/23 unknown
- v4 149.78.137.0/24 unknown
- v4 149.78.143.0/24 unknown
- v4 149.85.0.0/16 unknown
- v4 149.86.0.0/15 unknown
- v4 149.9.0.0/16 valid
- v4 149.91.0.0/16 unknown
- v4 149.91.138.0/24 unknown
- v4 149.91.2.0/24 unknown
- v4 149.91.3.0/24 unknown
- v4 149.92.0.0/14 unknown
- v4 151.240.205.0/24 valid
- v4 151.241.119.0/24 valid
- v4 151.241.122.0/24 valid
- v4 151.241.123.0/24 valid
- v4 151.241.125.0/24 valid
- v4 151.243.227.0/24 valid
- v4 151.243.235.0/24 valid
- v4 152.89.124.0/24 valid
- v4 152.89.125.0/24 valid
- v4 154.12.0.0/15 unknown
- v4 154.12.1.0/24 unknown
- v4 154.12.10.0/23 unknown
- v4 154.12.100.0/23 unknown
- v4 154.12.102.0/23 unknown
- v4 154.12.131.0/24 unknown
- v4 154.12.132.0/23 unknown
- v4 154.12.134.0/23 unknown
RPKI: rpki.cloudflare.com · 2026-06-19
— 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 |
| 2026-06-19 | 2500 |
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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