AS27066 DNIC-ASBLK-27032-27159 - United States Department of Defense DoD
Announced Prefixes (BGP)
129total
121 IPv48 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)40,704
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)9.6×10²⁴
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
50
Allocated
-
Announced Prefixes
(BGP)129|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
1-10 of 129
1 / 13
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 192.58.181.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.108.98.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.153.245.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.231.128.0/24 | 🇺🇸 US | ARIN | allocated |
All 129 announced prefixes of AS27066 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS27066 hands its own prefixes to: transit providers, or peers at an exchange.
- AS721United States Department Of Defense DoD129
Downstreams (31)
Networks whose own prefixes AS27066 passes on: usually its customers.
- AS647United States Department Of Defense DoD445
- AS1600United States Department Of Defense DoD176
- AS5972United States Department Of Defense DoD163
- AS1637Headquarters, USAISC127
- AS637United States Department Of Defense DoD94
- AS1516Headquarters, USAISC64
- AS1649Headquarters, USAISC62
- AS747Headquarters, USAISC47
- AS27046United States Department Of Defense DoD41
- AS27137United States Department Of Defense DoD26
- AS399Air Force Systems Networking13
- AS409Air Force Systems Networking13
- AS3954United States Department Of Defense DoD8
- AS427Air Force Systems Networking7
- AS665United States Department Of Defense DoD5
- AS5927United States Department Of Defense DoD4
- AS321United States Department Of Defense DoD2
- AS619United States Department Of Defense DoD2
- AS5284United States Department Of Defense DoD2
- AS5860United States Department Of Defense DoD2
- AS5958United States Department Of Defense DoD2
- AS6025United States Department Of Defense DoD2
- AS27149United States Department Of Defense DoD2
- AS306United States Department Of Defense DoD1
- AS316United States Department Of Defense DoD1
- AS337United States Department Of Defense DoD1
- AS363United States Department Of Defense DoD1
- AS405Air Force Systems Networking1
- AS1908United States Department Of Defense DoD1
- AS3916Joint Intelligence Center Pacific1
- AS5982United States Department Of Defense DoD1
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 AS27066 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/27066Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/27066" | jq