Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS306

Announcement observedARIN

United States Department of Defense (DoD) · DNIC-ASBLK-00306-00371

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/29/2026, 05:15:55Snapshot expired

View network topology RDAP registration

ASN: AS306
Registration country: United States
Name: United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-00306-00371
Registration date: 6/30/1989, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
132.100.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.100.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.100.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.100.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.101.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.101.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.101.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.101.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.102.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.102.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.102.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.102.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.103.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.103.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.103.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.103.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.104.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
132.104.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.104.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
132.104.250.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
132.104.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.104.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
132.104.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.105.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.105.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.105.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.105.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.105.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.249.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.106.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.107.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.107.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.107.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.108.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.108.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.108.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.108.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.108.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.109.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.109.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.109.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.110.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.110.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.110.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.110.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
132.111.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: United States Department of Defense (DoD)
RIR: ARIN
Registration country: United States
Registration date: 6/30/1989, 04:00:00
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

10/29/2026, 05:15:55275 v458 v63 Upstream · 0 Uncertain

9/29/2026, 06:14:13275 v457 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn