154.21.200.0/22
Currently announced by AS979 NETLAB-SDN, in the routed prefix 154.21.200.0/22.
- Current ASN
- AS979
- NETLAB-SDN
- Routed prefix
- 154.21.200.0/22
- Most specific route covering this prefix
- ASNs over time
- 2
- 2 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 154.21.200.0/22
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 154.21.200.0/22 | AS979 | NETLAB-SDN |  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 routes8 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 154.21.200.0/24 | AS979 | NETLAB-SDN | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.200.0/24 | AS1014 | Japan Networks | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.201.0/24 | AS979 | NETLAB-SDN | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.201.0/24 | AS1014 | Japan Networks | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.202.0/24 | AS979 | NETLAB-SDN | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.202.0/24 | AS1014 | Japan Networks | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.203.0/24 | AS979 | NETLAB-SDN | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
| 154.21.203.0/24 | AS1014 | Japan Networks | United States | Before monitoring | 2026-11-01 22:23 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.