199.123.80.0/21 - United States Department Of Defense (DoD) (AS721)
CIDR
199.123.80.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Sierra Vista (Fort Huachuca)
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.123.80.0/21 | AS721 DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | No ROA | - | 2026-10-12 |
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.123.82.0/24 | AS1540 DNIC-ASBLK-01534-01546 - Headquarters, USAISC | No ROA | - | 2026-10-12 |
| 199.123.84.0/24 | AS1540 DNIC-ASBLK-01534-01546 - Headquarters, USAISC | No ROA | - | 2026-10-12 |
| 199.123.85.0/24 | AS1540 DNIC-ASBLK-01534-01546 - Headquarters, USAISC | No ROA | - | 2026-10-12 |
| 199.123.86.0/23 | AS668 DNIC-AS-00668 - United States Department of Defense (DoD) | No ROA | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 199.123.80.0/24 | 🇺🇸US | allocated | |
| 199.123.81.0/24 | 🇺🇸US | allocated | |
| 199.123.82.0/24 | AS1540 | 🇺🇸US | allocated |
| 199.123.83.0/24 | 🇺🇸US | allocated | |
| 199.123.84.0/24 | AS1540 | 🇺🇸US | allocated |
| 199.123.85.0/24 | AS367 | 🇺🇸US | allocated |
| 199.123.86.0/24 | 🇺🇸US | allocated | |
| 199.123.87.0/24 | 🇺🇸US | allocated |
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionArizona
CitySierra Vista (Fort Huachuca)
Coordinates31.5552, -110.3500 ↗
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/199.123.80.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.123.80.0/21" | jq
External Links