$ query “AS1554” --type=asn → 1 result(s)

AS1554 · DNIC-ASBLK-01550-01601

United States Department of Defense (DoD)

AS1554 belongs to United States Department of Defense (DoD) and is a mid-size transit provider, registered in the United States since 2006. The system announces a solid 299 264 IPv4 addresses, including a /15. The bulk of its IP address space is in the United States. No IPv6 support — it's 2026, just saying.

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
April 03, 2006
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
23 / 17
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
299 264
Largest IPv4 Prefix
/15 (131 072 addresses)
Geolocated Countries
🇺🇸 United States (299 264 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Peers
1 network exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Degree
14 unique BGP neighbors
Reach
14 networks in customer cone

Prefix Lists

IPv4 Prefixes (23 total)

  • 6.126.0.0/15 (131 072 addresses (/15 prefix))
  • 136.215.128.0/17 (32 768 addresses (/17 prefix))
  • 136.207.128.0/17 (32 768 addresses (/17 prefix))
  • 136.210.0.0/17 (32 768 addresses (/17 prefix))
  • 136.210.128.0/18 (16 384 addresses (/18 prefix))
  • 155.155.64.0/18 (16 384 addresses (/18 prefix))
  • 136.210.192.0/19 (8 192 addresses (/19 prefix))
  • 155.155.224.0/19 (8 192 addresses (/19 prefix))
  • 155.155.128.0/19 (8 192 addresses (/19 prefix))
  • 155.155.48.0/20 (4 096 addresses (/20 prefix))
  • 155.155.16.0/20 (4 096 addresses (/20 prefix))
  • 136.210.240.0/21 (2 048 addresses (/21 prefix))
  • 136.210.252.0/22 (1 024 addresses (/22 prefix))
  • 136.210.250.0/23 (512 addresses (/23 prefix))
  • 6.64.1.0/24 (256 addresses (/24 prefix))
  • 136.210.248.0/24 (256 addresses (/24 prefix))
  • 206.39.28.0/24 (256 addresses (/24 prefix))