38.51.144.0/24
Currently announced by AS19905 UltraDDoS Protect, in the routed prefix 38.51.144.0/24.
- Current ASN
- AS19905
- UltraDDoS Protect
- Routed prefix
- 38.51.144.0/24
- Most specific route covering this prefix
- ASNs over time
- 3
- 4 announcement records
- RIR allocation
- ARIN
- United States · 38.0.0.0/8
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 38.51.144.0/24
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 38.51.144.0/24 | AS19905 | UltraDDoS Protect |  United States | 2026-11-06 10:24 | 2026-11-08 10:26 | Announcing |
| 38.51.144.0/23 | AS400337 | ASN-NHB | United States | Before monitoring | 2026-10-23 20:21 | Stopped |
| 38.51.144.0/22 | AS400337 | ASN-NHB | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 38.0.0.0/8 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes0 total
No more specific routes inside this prefix.
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-11-06 18:24 | 38.51.144.0/24 | WithdrawalAnnounced again | AS19905 | UltraDDoS Protect | — | United States |
| 2026-11-06 10:24 | 38.51.144.0/24 | New announcement | AS19905 | UltraDDoS Protect | — | United States |