Autonomous system profile

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

AS5877

Announcement observedARIN

DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) · DNIC-ASBLK-05800-06055

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

Last active9/29/2026, 13:57:24Snapshot expired

View network topology RDAP registration

ASN: AS5877
Registration country: United States
Name: DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)
Abbreviation: DNIC-ASBLK-05800-06055
Registration date: 10/24/1995, 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
139.242.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/25/2026, 16:00:00	✓	×	Currently valid
139.242.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
139.242.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
139.242.28.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
139.242.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)
RIR: ARIN
Registration country: United States
Registration date: 10/24/1995, 04:00:00
Abuse contact: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Snapshot trend

9/29/2026, 13:57:245 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 · rir-rdap-asn · iana-rdap-asn-bootstrap