AS174
Cogent Communications, LLC ISP registered in United States
2,420IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
327/327RIS visibility
#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 173.213.117.0/24 valid
- v4 173.213.122.0/24 valid
- v4 173.213.95.0/24 valid
- v4 173.232.12.0/24 valid
- v4 173.232.153.0/24 valid
- v4 173.232.161.0/24 valid
- v4 173.232.24.0/24 valid
- v4 173.232.240.0/24 valid
- v4 173.232.3.0/24 unknown
- v4 173.232.48.0/24 valid
- v4 173.232.95.0/24 valid
- v4 173.239.235.0/24 unknown
- v4 173.44.168.0/24 valid
- v4 173.44.251.0/24 valid
- v4 175.110.76.0/22 valid
- v4 175.29.64.0/19 valid
- v4 176.46.159.0/24 valid
- v4 178.92.45.0/24 valid
- v4 178.94.174.0/24 valid
- v4 179.61.197.0/24 valid
- v4 181.214.153.0/24 valid
- v4 181.214.164.0/24 valid
- v4 181.214.165.0/24 valid
- v4 181.214.166.0/24 valid
- v4 181.214.173.0/24 valid
- v4 181.214.93.0/24 valid
- v4 181.215.182.0/24 valid
- v4 181.41.202.0/24 valid
- v4 181.41.206.0/24 valid
- v4 185.118.105.0/24 valid
- v4 185.119.81.0/24 unknown
- v4 185.119.83.0/24 valid
- v4 185.122.186.0/24 valid
- v4 185.171.66.0/24 unknown
- v4 185.182.28.0/24 valid
- v4 185.195.67.0/24 valid
- v4 185.201.16.0/24 valid
- v4 185.201.17.0/24 valid
- v4 185.201.19.0/24 valid
- v4 185.209.51.0/24 valid
- v4 185.218.226.0/24 valid
- v4 185.221.217.0/24 valid
- v4 185.224.2.0/24 valid
- v4 185.236.192.0/24 unknown
- v4 185.244.16.0/22 valid
- v4 185.44.40.0/22 unknown
- v4 185.45.132.0/22 unknown
- v4 185.76.40.0/22 valid
- v4 185.86.164.0/24 valid
- v4 185.86.165.0/24 valid
RPKI: rpki.cloudflare.com · 2026-06-21
Routing: 4,162 IPv4 · 514 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-21
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 |
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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