81.172.48.0/21
Currently announced by AS6079 Astound, in the routed prefix 81.172.48.0/21.
- Current ASN
- AS6079
- Astound
- Routed prefix
- 81.172.48.0/21
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- RIPENCC
- United States · 81.172.48.0/21
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 81.172.48.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 81.172.48.0/21 | AS6079 | Astound |  United States | 2026-11-04 22:23 | 2026-11-08 10:26 | Announcing |
More specific routes8 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 81.172.48.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 20:18 | Stopped |
| 81.172.49.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 16:19 | Stopped |
| 81.172.50.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 12:19 | Stopped |
| 81.172.51.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 16:19 | Stopped |
| 81.172.52.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 12:19 | Stopped |
| 81.172.53.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 12:19 | Stopped |
| 81.172.54.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 12:19 | Stopped |
| 81.172.55.0/24 | AS398781 | OCULUS NETWORKS INC | United States | Before monitoring | 2026-10-25 16:19 | Stopped |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-11-04 22:23 | 81.172.48.0/21 | New announcement | AS6079 | Astound | — | United States |