$ query “AS27066” --type=asn → 1 result(s)

AS27066 · DNIC-ASBLK-27032-27159

United States Department of Defense (DoD)

AS27066 is run by United States Department of Defense (DoD) and is a mid-size transit provider, based in the United States since 2003. The system announces a respectable 36 864 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

Basic Information

Country
🇺🇸 United States
Category
Government/Public Administration
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 16, 2003
Last Changed
March 04, 2026
Last Seen
June 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
108 / 87
IPv6 Prefixes (raw / aggregated)
8 / 8
IPv4 Addresses
36 864
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇺🇸 United States (36 352 IPs)
Prefix Changed
June 12, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
30 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
33 unique BGP neighbors
Reach
83 networks in customer cone

Upstream Providers (2)

  • AS27064 — DNIC-ASBLK-27032-27159
  • AS721 — DNIC-ASBLK-00721-00726

Prefix Lists

IPv4 Prefixes (108 total)

  • 214.48.72.0/21 (2 048 addresses (/21 prefix))
  • 214.48.12.0/22 (1 024 addresses (/22 prefix))
  • 215.1.68.0/22 (1 024 addresses (/22 prefix))
  • 159.77.104.0/22 (1 024 addresses (/22 prefix))
  • 163.251.244.0/22 (1 024 addresses (/22 prefix))
  • 163.251.96.0/22 (1 024 addresses (/22 prefix))
  • 139.241.76.0/22 (1 024 addresses (/22 prefix))
  • 214.54.128.0/22 (1 024 addresses (/22 prefix))
  • 214.48.116.0/22 (1 024 addresses (/22 prefix))
  • 214.29.156.0/22 (1 024 addresses (/22 prefix))
  • 214.48.108.0/22 (1 024 addresses (/22 prefix))
  • 214.23.244.0/23 (512 addresses (/23 prefix))
  • 163.251.184.0/23 (512 addresses (/23 prefix))
  • 139.241.132.0/23 (512 addresses (/23 prefix))
  • 214.72.4.0/23 (512 addresses (/23 prefix))
  • 214.16.244.0/23 (512 addresses (/23 prefix))
  • 206.37.138.0/23 (512 addresses (/23 prefix))
  • 199.31.130.0/23 (512 addresses (/23 prefix))
  • 214.72.14.0/23 (512 addresses (/23 prefix))
  • 163.251.208.0/23 (512 addresses (/23 prefix))
  • 214.38.198.0/23 (512 addresses (/23 prefix))
  • 163.251.160.0/23 (512 addresses (/23 prefix))
  • 163.251.128.0/23 (512 addresses (/23 prefix))
  • 156.112.166.0/23 (512 addresses (/23 prefix))
  • 163.251.112.0/23 (512 addresses (/23 prefix))
  • 159.77.34.0/23 (512 addresses (/23 prefix))
  • 159.77.44.0/23 (512 addresses (/23 prefix))
  • 163.251.104.0/23 (512 addresses (/23 prefix))
  • 159.77.80.0/23 (512 addresses (/23 prefix))
  • 159.77.84.0/23 (512 addresses (/23 prefix))
  • 134.229.176.0/23 (512 addresses (/23 prefix))
  • 156.112.114.0/24 (256 addresses (/24 prefix))
  • 139.242.12.0/24 (256 addresses (/24 prefix))
  • 163.251.101.0/24 (256 addresses (/24 prefix))
  • 159.77.79.0/24 (256 addresses (/24 prefix))
  • 159.77.33.0/24 (256 addresses (/24 prefix))
  • 156.112.135.0/24 (256 addresses (/24 prefix))
  • 134.229.134.0/24 (256 addresses (/24 prefix))
  • 156.112.113.0/24 (256 addresses (/24 prefix))
  • 155.7.180.0/24 (256 addresses (/24 prefix))
  • 163.251.239.0/24 (256 addresses (/24 prefix))
  • 140.14.47.0/24 (256 addresses (/24 prefix))
  • 163.251.248.0/24 (256 addresses (/24 prefix))
  • 163.251.254.0/24 (256 addresses (/24 prefix))
  • 192.58.181.0/24 (256 addresses (/24 prefix))
  • 192.108.98.0/24 (256 addresses (/24 prefix))
  • 192.153.245.0/24 (256 addresses (/24 prefix))
  • 192.231.128.0/24 (256 addresses (/24 prefix))
  • 140.14.45.0/24 (256 addresses (/24 prefix))
  • 199.32.31.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (8 total)

  • 2608:c101:1::/48
  • 2608:c102:1b83::/48
  • 2608:c143:1::/48
  • 2608:c143:46a3::/48
  • 2608:c144:2738::/48
  • 2608:c182::/48
  • 2608:c182:3cc7::/48
  • 2608:c183:1::/48