Autonomous system profile

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

AS27066

Announcement observedARIN

DNIC-ASBLK-27032-27159 - 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 active10/11/2026, 15:16:19Snapshot expired

View network topology RDAP registration

ASN: AS27066
Registration country: United States
Name: DNIC-ASBLK-27032-27159 - 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
134.229.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
134.229.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
134.229.176.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
134.229.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
134.229.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.131.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/2/2026, 00:00:00	✓	×	Historical record
139.241.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.147.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.148.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.75.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.241.77.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
139.242.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
140.14.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
140.14.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
155.7.180.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
156.112.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
156.112.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
156.112.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
156.112.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
156.112.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.107.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.33.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.34.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/2/2026, 00:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.46.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.79.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.84.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
159.77.85.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
163.251.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DNIC-ASBLK-27032-27159 - 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

10/11/2026, 15:16:19112 v48 v62 Upstream · 0 Uncertain

10/1/2026, 22:33:46111 v48 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 · rir-rdap-asn · iana-rdap-asn-bootstrap