AS5277 DNIC-ASBLK-05120-05376 - United States Department of Defense DoD
Announced Prefixes (BGP)
18total
18 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)262,400
Announced (BGP)271,104
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)18|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 |
1-10 of 18
1 / 2
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 143.77.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 143.138.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 144.59.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 160.135.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 192.172.12.0/24 | 🇺🇸 US | ARIN | allocated |
All 18 announced prefixes of AS5277 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS5277 hands its own prefixes to: transit providers, or peers at an exchange.
- AS747Headquarters, USAISC18
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS5277 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/5277Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/5277" | jq