Autonomous system profile

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

AS5231

No announcement in snapshotARIN

DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) · DNIC-ASBLK-05120-05376

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

Last active9/29/2026, 12:37:28Snapshot expired

View network topology RDAP registration

ASN: AS5231
Registration country: United States
Name: DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-05120-05376
Registration date: 5/9/1995, 04:00:00
Status: No announcement in snapshot
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	ASN registration country	Observation window start	Latest observation	IPv4	IPv6	Status
AS27065Upstream · observed weight 261	DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)Network relationship data	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	✓6,208	×	Currently observed

Relationships are observed AS_PATH adjacencies. Coverage is partial; direction does not establish a commercial relationship.

Registration and sources

Organization: DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)
RIR: ARIN
Registration country: United States
Registration date: 5/9/1995, 04:00:00
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

9/29/2026, 12:37:280 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 · rir-rdap-asn · iana-rdap-asn-bootstrap