204.212.0.0/14
Currently announced by AS174 Cogent Communications, Inc., in the routed prefix 204.212.0.0/14.
- Current ASN
- AS174
- Cogent Communications, Inc.
- Routed prefix
- 204.212.0.0/14
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 204.212.0.0/14
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 204.212.0.0/14
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 204.212.0.0/14 | AS174 | Cogent Communications, Inc. |  United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes28 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 204.212.40.0/24 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.166.0/24 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.170.0/24 | AS30021 | SonicWALL, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.175.0/24 | AS13431 | Millennium Partners, L.P. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.176.0/20 | AS19893 | RagingWire CA Internet Connect - NTT | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.241.0/24 | AS11139 | CWDOM |  Dominica | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.242.0/23 | AS14813 | BB-COLUMBUS |  Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.242.0/24 | AS14813 | BB-COLUMBUS | Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.243.0/24 | AS14813 | BB-COLUMBUS | Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.244.0/23 | AS14813 | BB-COLUMBUS | Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.244.0/24 | AS14813 | BB-COLUMBUS | Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.212.245.0/24 | AS14813 | BB-COLUMBUS | Barbados | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.213.194.0/24 | AS18632 | Volcano Vision, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.213.198.0/23 | AS10461 | Eze Castle Software LLC | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.214.144.0/20 | AS7810 | CompuCom Systems, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.32.0/20 | AS2379 | CenturyLink Communications, LLC | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.32.0/24 | AS209 | Lumen AS209 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.37.0/24 | AS209 | Lumen AS209 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.40.0/24 | AS209 | Lumen AS209 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.64.0/18 | AS22773 | Cox Communications | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.240.0/20 | AS2379 | CenturyLink Communications, LLC | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.215.64.0/19 | AS20001 | Charter Communications (20001) | United States | Before monitoring | 2026-11-03 00:25 | Stopped |
| 204.215.64.0/20 | AS11404 | Wave Division Holdings | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 204.215.64.0/24 | AS22773 | Cox Communications | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 204.215.80.0/20 | AS11404 | Wave Division Holdings | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
| 204.215.96.0/19 | AS20001 | Charter Communications (20001) | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
| 204.215.96.0/20 | AS11404 | Wave Division Holdings | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
| 204.215.112.0/20 | AS11404 | Wave Division Holdings | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.