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 204.212.0.0/14 unknown
- v4 204.212.166.0/24 unknown
- v4 204.212.38.0/24 unknown
- v4 204.212.40.0/24 unknown
- v4 204.217.0.0/16 unknown
- v4 204.225.232.0/24 unknown
- v4 204.233.235.0/24 valid
- v4 204.240.0.0/14 unknown
- v4 204.248.0.0/14 unknown
- v4 204.250.160.0/24 unknown
- v4 204.29.160.0/24 unknown
- v4 204.29.213.0/24 unknown
- v4 204.4.0.0/14 unknown
- v4 204.52.104.0/24 valid
- v4 204.62.192.0/24 unknown
- v4 204.87.32.0/23 unknown
- v4 204.87.34.0/24 unknown
- v4 204.87.41.0/24 unknown
- v4 204.87.62.0/23 unknown
- v4 204.94.0.0/15 unknown
- v4 204.94.104.0/24 unknown
- v4 204.96.0.0/15 unknown
- v4 205.160.0.0/14 unknown
- v4 205.161.222.0/24 unknown
- v4 205.161.64.0/19 unknown
- v4 205.162.152.0/23 unknown
- v4 205.162.160.0/22 unknown
- v4 205.163.195.0/24 unknown
- v4 205.164.115.0/24 unknown
- v4 205.164.117.0/24 unknown
- v4 205.164.119.0/24 unknown
- v4 205.164.128.0/17 unknown
- v4 205.164.220.0/24 unknown
- v4 205.164.221.0/24 unknown
- v4 205.164.64.0/18 unknown
- v4 205.164.76.0/24 unknown
- v4 205.172.24.0/22 unknown
- v4 205.175.206.0/24 unknown
- v4 205.175.239.0/24 unknown
- v4 205.198.0.0/15 unknown
- v4 205.198.64.0/24 unknown
- v4 205.198.65.0/24 unknown
- v4 205.198.66.0/24 unknown
- v4 205.198.67.0/24 unknown
- v4 205.198.68.0/24 unknown
- v4 205.198.69.0/24 unknown
- v4 205.198.70.0/24 unknown
- v4 205.198.71.0/24 unknown
- v4 205.198.72.0/24 unknown
- v4 205.198.73.0/24 unknown
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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