Autonomous system profile

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

AS56

Announcement observedARIN

United States Department of Defense (DoD) · DNIC-AS-00056

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

Last active11/3/2026, 04:25:14Snapshot expired

View network topology RDAP registration

ASN: AS56
Registration country: United States
Name: United States Department of Defense (DoD)
Abbreviation: DNIC-AS-00056
Registration date: 12/18/1985, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
129.141.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.184.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.141.96.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.198.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.238.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.48.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.51.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.51.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.51.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.52.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.53.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.144.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.152.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.184.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.200.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.208.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.216.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.224.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.232.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.240.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.64.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.88.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.54.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
129.61.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
130.53.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
130.53.64.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.10.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.10.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.105.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.11.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.12.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
131.12.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	11/2/2026, 16:00:00	✓	×	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: 12/18/1985, 05:00:00
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

11/3/2026, 04:25:14940 v40 v62 Upstream · 0 Uncertain

10/11/2026, 15:25:08944 v40 v62 Upstream · 0 Uncertain

9/29/2026, 05:50:01941 v40 v62 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