38.236.143.0/24
Currently announced by AS174 Cogent Communications, Inc., in the routed prefix 38.236.143.0/24.
- Current ASN
- AS174
- Cogent Communications, Inc.
- Routed prefix
- 38.236.143.0/24
- Most specific route covering this prefix
- ASNs over time
- 2
- 6 announcement records
- RIR allocation
- ARIN
- United States · 38.0.0.0/8
Routing data · Nov 1, 2026, 22:23 UTC
ASN historyEvery routed prefix covering 38.236.143.0/24
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 38.236.143.0/24 | AS174 | Cogent Communications, Inc. |  United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 38.236.136.0/21 | AS52772 | Sjnet Telecom |  Brazil | Before monitoring | 2026-10-30 00:19 | Stopped |
| 38.236.128.0/20 | AS52772 | Sjnet Telecom | Brazil | Before monitoring | 2026-10-30 00:19 | Stopped |
| 38.236.128.0/19 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 38.236.128.0/19 | AS52772 | Sjnet Telecom | Brazil | Before monitoring | 2026-10-31 08:19 | Stopped |
| 38.0.0.0/8 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
More specific routes0 total
No more specific routes inside this prefix.
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-30 02:20 | 38.236.136.0/21 | Withdrawal | AS52772 | Sjnet Telecom | — | Brazil |
| 2026-10-30 02:20 | 38.236.128.0/20 | Withdrawal | AS52772 | Sjnet Telecom | — | Brazil |