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 204.137.144.0/24 unknown
- v4 204.137.145.0/24 unknown
- v4 204.137.146.0/24 unknown
- v4 204.137.147.0/24 unknown
- v4 204.137.148.0/24 unknown
- v4 204.137.149.0/24 unknown
- v4 204.137.150.0/24 unknown
- v4 204.137.151.0/24 unknown
- v4 204.137.152.0/24 unknown
- v4 204.137.153.0/24 unknown
- v4 204.137.154.0/24 unknown
- v4 204.137.155.0/24 unknown
- v4 204.137.156.0/24 unknown
- v4 204.137.157.0/24 unknown
- v4 204.137.158.0/24 unknown
- v4 204.137.159.0/24 unknown
- v4 204.137.167.0/24 unknown
- v4 204.15.207.0/24 unknown
- v4 204.157.0.0/16 unknown
- v4 204.157.162.0/23 unknown
- v4 204.157.162.0/24 unknown
- v4 204.157.163.0/24 unknown
- v4 204.157.245.0/24 unknown
- v4 204.157.246.0/24 unknown
- v4 204.157.3.0/24 unknown
- v4 204.157.76.0/24 unknown
- v4 204.17.132.0/24 unknown
- v4 204.170.35.0/24 valid
- v4 204.180.0.0/14 unknown
- v4 204.180.153.0/24 unknown
- v4 204.183.220.0/22 unknown
- v4 204.183.80.0/20 unknown
- v4 204.183.80.0/24 unknown
- v4 204.183.81.0/24 unknown
- v4 204.183.82.0/24 unknown
- v4 204.183.83.0/24 unknown
- v4 204.183.84.0/24 unknown
- v4 204.183.85.0/24 unknown
- v4 204.183.86.0/24 unknown
- v4 204.183.87.0/24 unknown
- v4 204.183.88.0/24 unknown
- v4 204.183.89.0/24 unknown
- v4 204.183.90.0/24 unknown
- v4 204.183.91.0/24 unknown
- v4 204.183.92.0/24 unknown
- v4 204.183.93.0/24 unknown
- v4 204.183.94.0/24 unknown
- v4 204.183.95.0/24 unknown
- v4 204.194.98.0/24 unknown
- v4 204.204.0.0/14 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