192.156.0.0/18 - United States Department Of Defense DoD (AS721)
CIDR
192.156.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Quantico (Marine Corps Base Quantico)
RIR
ARIN
Status
allocated
Allocated
1992-04-08
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.156.0.0/18 | AS721 DNIC-ASBLK-00721-00726 - United States Department of Defense DoD | No ROA | - | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.156.21.0/24 | AS637 DNIC-ASBLK-00616-00665 - United States Department of Defense DoD | No ROA | - | 2026-10-11 |
| 192.156.56.0/23 | AS637 DNIC-ASBLK-00616-00665 - United States Department of Defense DoD | No ROA | - | 2026-10-11 |
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionVirginia
CityQuantico (Marine Corps Base Quantico)
Coordinates38.5287, -77.4096 ↗
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/192.156.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.156.0.0/18" | jq
External Links