204.4.0.0/14
Currently announced by AS174 Cogent Communications, Inc., in the routed prefix 204.4.0.0/14.
- Current ASN
- AS174
- Cogent Communications, Inc.
- Routed prefix
- 204.4.0.0/14
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 204.4.0.0/14
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 204.4.0.0/14
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 204.4.0.0/14 | AS174 | Cogent Communications, Inc. |  United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes29 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 204.4.64.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.65.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.66.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.67.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.74.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.75.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.76.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.130.0/24 | AS9084 | GSI-AS |  United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.131.0/24 | AS9084 | GSI-AS | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.142.0/24 | AS9084 | GSI-AS | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.143.0/24 | AS9084 | GSI-AS | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.170.0/24 | AS9084 | GSI-AS | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.175.0/24 | AS9084 | GSI-AS | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.178.0/24 | AS33598 | The Goldman Sachs Group, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.182.0/24 | AS33598 | The Goldman Sachs Group, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.185.0/24 | AS33598 | The Goldman Sachs Group, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.187.0/24 | AS6195 | The Goldman Sachs Group, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.235.0/24 | AS13335 | Cloudflare | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.244.0/24 | AS31877 | Accelecom-31877 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.91.0/24 | AS13372 | Federated Investors | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.136.0/24 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.160.0/24 | AS49657 | TNSI | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.162.0/24 | AS49657 | TNSI | United Kingdom | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.164.0/23 | AS272591 | TRANSACTION NWRK SVCS DE TECNOLOGIA DO BRASIL LTDA |  Brazil | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.166.0/24 | AS13750 | Transaction Network Services AS13750 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.168.0/21 | AS13750 | Transaction Network Services AS13750 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.174.0/24 | AS13750 | Transaction Network Services AS13750 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.6.192.0/18 | AS4991 | Cogent Communications, LLC | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 204.4.69.0/24 | AS54407 | ArentFox Schiff LLP | United States | Before monitoring | 2026-11-07 04:26 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.