AS174
Cogent Communications, LLC ISP registered in United States
2,420IPv4 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 2,420 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,420IPv6 65
Announced prefixes · 2,485
- v4 216.163.136.0/24 unknown
- v4 216.163.189.0/24 valid
- v4 216.168.64.0/20 unknown
- v4 216.170.109.0/24 unknown
- v4 216.173.88.0/23 valid
- v4 216.173.92.0/24 valid
- v4 216.173.93.0/24 valid
- v4 216.177.132.0/24 valid
- v4 216.177.96.0/19 unknown
- v4 216.183.248.0/24 valid
- v4 216.183.249.0/24 valid
- v4 216.183.251.0/24 valid
- v4 216.185.56.0/24 valid
- v4 216.211.204.0/22 unknown
- v4 216.226.67.0/24 valid
- v4 216.229.128.0/20 unknown
- v4 216.28.0.0/15 unknown
- v4 216.55.80.0/20 unknown
- v4 216.74.111.0/24 valid
- v4 216.75.90.0/24 valid
- v4 216.75.91.0/24 valid
- v4 216.75.92.0/24 valid
- v4 216.75.93.0/24 valid
- v4 216.75.94.0/23 valid
- v4 216.98.226.0/24 valid
- v4 216.98.227.0/24 valid
- v4 216.98.228.0/24 valid
- v4 216.98.229.0/24 valid
- v4 216.98.230.0/24 valid
- v4 216.98.249.0/24 valid
- v4 216.98.250.0/24 valid
- v4 216.98.251.0/24 valid
- v4 216.98.252.0/24 valid
- v4 216.98.253.0/24 valid
- v4 216.98.254.0/24 valid
- v4 216.98.255.0/24 valid
- v4 217.118.224.0/20 unknown
- v4 217.147.128.0/20 unknown
- v4 217.147.96.0/20 unknown
- v4 217.149.32.0/20 unknown
- v4 217.151.240.0/20 unknown
- v4 217.151.243.0/24 unknown
- v4 217.67.78.0/23 valid
- v4 217.71.112.0/20 unknown
- v4 23.135.116.0/24 valid
- v4 23.135.124.0/24 valid
- v4 23.141.196.0/24 valid
- v4 23.141.204.0/24 valid
- v4 23.141.212.0/24 valid
- v4 23.141.228.0/24 valid
RPKI: rpki.cloudflare.com · 2026-06-22
— 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 |
| 2026-06-20 | 2484 |
| 2026-06-21 | 2485 |
| 2026-06-22 | 2485 |
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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