$ query “AS5831” --type=asn → 1 result(s)

AS5831 · DNIC-ASBLK-05800-06055

United States Department of Defense (DoD)

AS5831 belongs to United States Department of Defense (DoD) and is a government/public-admin stub network, based in the United States since 1995. The system announces a solid 131 328 IPv4 addresses, including a /16. Most of its address space is geolocated to the United States, with additional presence in Australia. No IPv6 support — it's 2026, just saying.

  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Government/Public Administration
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 24, 1995
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
3 / 3
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
131 328
Largest IPv4 Prefix
/16 (65 536 addresses)
Geolocated Countries
🇺🇸 United States (65 792 IPs), 🇦🇺 Australia (65 536 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Degree
1 unique BGP neighbor
Reach
0 networks in customer cone

Upstream Providers (1)

  • AS27064 — DNIC-ASBLK-27032-27159

Prefix Lists

IPv4 Prefixes (3 total)

  • 140.47.0.0/16 (65 536 addresses (/16 prefix))
  • 140.48.0.0/16 (65 536 addresses (/16 prefix))
  • 214.3.138.0/24 (256 addresses (/24 prefix))