Autonomous system profile

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

AS721

Announcement observedARIN

United States Department of Defense (DoD) · DNIC-ASBLK-00721-00726

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

Last active10/28/2026, 16:11:51Snapshot expired

View network topology RDAP registration

ASN: AS721
Registration country: United States
Name: United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-00721-00726
Registration date: Not recorded
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
130.22.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.16.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.32.0.0/11BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.4.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.64.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.73.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.74.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.76.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.78.204.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.78.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.80.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.86.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.86.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
131.87.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.0.0.0/10BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.128.0.0/12BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.80.0.0/12BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.96.0.0/11BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
134.135.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
134.233.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
134.235.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
134.80.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
136.212.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
136.216.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
136.220.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
137.0.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
137.209.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
137.240.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
137.8.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.136.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.144.0.0/12BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.160.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.162.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.164.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.168.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.178.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.178.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.180.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
138.50.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.139.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.241.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.244.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.244.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.244.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
139.244.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/27/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
139.244.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
140.13.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
140.152.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
140.153.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
140.201.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	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: Not recorded
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

10/28/2026, 16:11:51229 v42 v61 Upstream · 0 Uncertain

10/20/2026, 06:05:10228 v42 v61 Upstream · 0 Uncertain

9/29/2026, 06:39:10231 v42 v61 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