144.121.128.0/19
🇺🇸CIDR
144.121.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 144.121.128.0/19 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | RADB | 6/1/2026 |
Covering Prefix
12 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 144.121.0.0/16 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.144.0/22 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.128.0/22 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.148.0/22 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.158.0/23 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.136.0/24 | AS19111NBTY1911 - The Nature's Bounty Co. | No ROA | — | 6/1/2026 |
| 144.121.141.0/24 | AS29905BAIN-CAPITAL - Bain Capital, LP | No ROA | — | 6/1/2026 |
| 144.121.148.0/24 | AS30183HRCAC-1 - Hard Rock Hotel and Casino Atlantic City | No ROA | — | 6/1/2026 |
| 144.121.143.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.154.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.156.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
| 144.121.138.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS46887 | RADB | MAINT-AS27506 | 9/3/2025 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/144.121.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/144.121.128.0/19" | jq
External Links