143.156.0.0/15
🇺🇸CIDR
143.156.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Montgomery
RIR
ARIN
Status
allocated
Allocated
9/21/1990
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.156.0.0/15 | AS721DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.156.64.0/18 | AS56DNIC-AS-00056 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
| 143.156.224.0/19 | AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
| 143.156.192.0/19 | AS399AFCONC-BLOCK1-AS - Air Force Systems Networking | No ROA | — | 6/1/2026 |
| 143.157.48.0/20 | AS56DNIC-AS-00056 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
| 143.157.88.0/21 | AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
| 143.157.80.0/21 | AS399AFCONC-BLOCK1-AS - Air Force Systems Networking | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/143.156.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.156.0.0/15" | jq
External Links