Autonomous system profile

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

AS27046

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, 15:25:59Snapshot expired

View network topology RDAP registration

ASN: AS27046
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
131.70.112.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.128.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.156.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.164.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.200.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.203.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.204.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.232.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.24.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.240.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.254.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.28.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.60.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.67.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.76.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.80.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.70.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.156.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.158.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.16.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.160.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.168.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.172.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.184.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.188.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.194.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.20.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.224.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.228.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.240.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.248.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.252.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 08:00:00	✓	×	Currently valid
131.74.32.0/22BGP · 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, 15:25:59512 v4117 v64 Upstream · 0 Uncertain

10/1/2026, 22:33:34511 v4117 v64 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