140.221.246.0/24
Currently announced by AS14031 Association for Computing Machinery, in the routed prefix 140.221.128.0/17.
- Current ASN
- AS14031
- Association for Computing Machinery
- Routed prefix
- 140.221.128.0/17
- Most specific route covering this prefix
- ASNs over time
- 1
- 2 announcement records
- RIR allocation
- ARIN
- United States · 140.221.0.0/16
Routing data · Nov 2, 2026, 00:27 UTC
ASN historyEvery routed prefix covering 140.221.246.0/24
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 140.221.246.0/24 | AS14031 | Association for Computing Machinery |  United States | 2026-10-27 22:19 | 2026-10-28 00:19 | Stopped |
| 140.221.128.0/17 | AS14031 | Association for Computing Machinery | United States | 2026-10-28 02:20 | 2026-11-02 00:27 | Announcing |
More specific routes0 total
No more specific routes inside this prefix.
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-28 02:20 | 140.221.246.0/24 | Withdrawal | AS14031 | Association for Computing Machinery | — | United States |
| 2026-10-28 02:20 | 140.221.128.0/17 | New announcement | AS14031 | Association for Computing Machinery | — | United States |
| 2026-10-27 22:19 | 140.221.246.0/24 | New announcementNo longer announced | AS14031 | Association for Computing Machinery | — | United States |