Autonomous system profile

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

AS647

Announcement observedARIN

United States Department of Defense (DoD) · DNIC-ASBLK-00616-00665

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

Last active9/29/2026, 06:38:12Snapshot expired

View network topology RDAP registration

ASN: AS647
Registration country: United States
Name: United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-00616-00665
Registration date: 4/19/1990, 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
138.183.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
164.231.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
164.231.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.102.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/17/2026, 16:00:00	✓	×	Historical record
205.103.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.103.173.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.103.96.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.103.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.100.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.188.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/22/2026, 16:00:00	✓	×	Currently valid
205.106.72.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/22/2026, 08:00:00	✓	×	Currently valid
205.106.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/22/2026, 08:00:00	✓	×	Currently valid
205.106.80.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.84.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.106.87.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.107.220.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/20/2026, 16:00:00	✓	×	Historical record
205.108.12.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/15/2026, 08:00:00	✓	×	Historical record
205.108.244.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/26/2026, 08:00:00	✓	×	Currently valid
205.56.157.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.56.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.56.92.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/24/2026, 00:00:00	✓	×	Currently valid
205.56.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/24/2026, 00:00:00	✓	×	Currently valid
205.57.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.57.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/27/2026, 08:00:00	✓	×	Currently valid
205.57.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/27/2026, 08:00:00	✓	×	Currently valid
205.57.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/27/2026, 08:00:00	✓	×	Currently valid
205.57.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.57.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.57.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.57.91.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.10.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.12.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.16.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.192.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.20.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.4.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
205.58.8.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 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: 4/19/1990, 04:00:00
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

9/29/2026, 06:38:12426 v40 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