$ query “AS5831” --type=asn → 1 result(s)
AS5831 · DNIC-ASBLK-05800-06055
United States Department of Defense (DoD)
AS5831 is run by 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. The bulk of its IP address space is in 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
- April 14, 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))