AS721
🇺🇸DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD)45fe880b68a8f2850ebdcfdc57b4556c
ARINassigned
Announced Prefixes (BGP)
230total
228 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)54.1M
Announced (BGP)73.2M
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.5×10^29
Prefix Limit (IPv4)
100,000
Prefix Limit (IPv6)
10
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
—
Announced Prefixes
(BGP)229|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 | |
| No ROA | — | 5/24/2026 |
1–10 of 229
1 / 23
Allocated Prefixes
(RIR)90Prefix | Country | RIR | Status |
|---|---|---|---|
| 55.0.0.0/8 | 🇺🇸 US | ARIN | allocated |
| 130.22.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 131.16.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 131.32.0.0/11 | — | RIPE | assigned |
| 131.73.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 131.86.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 131.87.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 132.0.0.0/10 | — | RIPE | assigned |
| 132.80.0.0/12 | — | RIPE | assigned |
| 132.96.0.0/11 | — | RIPE | assigned |
1–10 of 90
1 / 9
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/721Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/721" | jq