154.21.205.0/24
Currently announced by AS197196 PANSTAR-AS, in the routed prefix 154.21.205.0/24.
- Current ASN
- AS197196
- PANSTAR-AS
- Routed prefix
- 154.21.205.0/24
- Most specific route covering this prefix
- ASNs over time
- 3
- 4 announcement records
- RIR allocation
- ARIN
- United States · 154.21.0.0/16
Routing data · Nov 1, 2026, 22:23 UTC
ASN historyEvery routed prefix covering 154.21.205.0/24
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 154.21.205.0/24 | AS197196 | PANSTAR-AS |  Hong Kong SAR China | 2026-10-27 14:20 | 2026-11-01 22:23 | Announcing |
| 154.21.205.0/24 | AS979 | NETLAB-SDN |  United States | 2026-10-24 10:20 | 2026-10-28 12:21 | Stopped |
| 154.21.204.0/22 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.0.0/16 | 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 |
|---|---|---|---|---|---|---|
| 2026-10-27 14:20 | 154.21.205.0/24 | Origin change | AS197196 | PANSTAR-AS | AS979 | Hong Kong SAR China |
| 2026-10-24 10:20 | 154.21.205.0/24 | New announcementNo longer announced | AS979 | NETLAB-SDN | — | United States |