144.121.0.0/16
Currently announced by AS46887 Crown Castle, in the routed prefix 144.121.0.0/16.
- Current ASN
- AS46887
- Crown Castle
- Routed prefix
- 144.121.0.0/16
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 144.121.0.0/16
Routing data · Nov 2, 2026, 00:27 UTC
ASN historyEvery routed prefix covering 144.121.0.0/16
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 144.121.0.0/16 | AS46887 | Crown Castle |  United States | Before monitoring | 2026-11-02 00:27 | Announcing |
More specific routes75 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 144.121.0.0/18 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.0.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.4.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.8.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.12.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.16.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.20.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.24.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.27.0/24 | AS15027 | Foley Hoag LLP | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.28.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.30.0/24 | AS62653 | Housing Authority Risk Retention Group, Inc. | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.32.0/21 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.40.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.41.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.43.0/24 | AS64293 | Mobile Heartbeat | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.44.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.48.0/20 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.49.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.61.0/24 | AS27015 | FRESENIUS MEDICAL CARE HOLDINGS, INC | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.64.0/18 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.64.0/20 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.80.0/20 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.86.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.89.0/24 | AS62678 | Horace Mann School | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.95.0/24 | AS63329 | Marcum LLP | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.96.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.100.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.102.0/24 | AS21821 | Montefiore Medical Center | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.104.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.104.0/24 | AS21821 | Montefiore Medical Center | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.107.0/24 | AS7046 | Verizon Business | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.112.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.113.0/24 | AS21751 | Owl Creek Asset Management, L.P. | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.116.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.116.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.120.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.120.0/24 | AS23359 | WLNY-TV Inc | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.124.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.128.0/19 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.128.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.136.0/24 | AS19111 | The Nature's Bounty Co. | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.138.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.141.0/24 | AS29905 | Bain Capital, LP | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.143.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.144.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.148.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.148.0/24 | AS30183 | Hard Rock Hotel and Casino Atlantic City | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.154.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.156.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.158.0/23 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.160.0/19 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.160.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.168.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.176.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.180.0/24 | AS19600 | Nationwide Children's Hospital | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.192.0/18 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.192.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.196.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.200.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.204.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.207.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.208.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.212.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.216.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.217.0/24 | AS53592 | Kepos Capital LP | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.220.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.224.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.224.0/24 | AS396894 | — | — | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.236.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.239.0/24 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.240.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.244.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.248.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.252.0/22 | AS46887 | Crown Castle | United States | Before monitoring | 2026-11-02 00:27 | Announcing |
| 144.121.35.0/24 | AS46887 | Crown Castle | United States | 2026-10-21 22:21 | 2026-10-30 16:19 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.