Autonomous system profile

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

AS27139

Announcement observedARIN

United States Department of Defense (DoD) · DNIC-ASBLK-27032-27159

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

Last active11/2/2026, 21:37:35Snapshot expired

View network topology RDAP registration

ASN: AS27139
Registration country: United States
Name: United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-27032-27159
Registration date: 1/16/2003, 20:37:31
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
128.26.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.119.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
128.26.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
128.26.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
128.26.57.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
128.26.61.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.67.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
128.26.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
132.27.244.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/19/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
139.242.34.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
139.242.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
198.201.162.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
198.218.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
198.218.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/19/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
198.218.8.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/19/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
205.58.100.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
205.58.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
205.60.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
205.73.188.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.25.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.25.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.29.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.29.98.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.6.251.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
214.64.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	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: 1/16/2003, 20:37:31
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

11/2/2026, 21:37:3527 v40 v62 Upstream · 0 Uncertain

10/1/2026, 22:34:1429 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