Autonomous system
AS634 DNIC-ASBLK-00616-00665
Unclassified ARIN
Summary
US Department of Defense
government military legacy
An early US Department of Defense allocation from the block DNIC-ASBLK-00616-00665, registered to the DoD Network Information Center (DNIC).
What it's used for
- US government / military networking. The generic DNIC block registration doesn't name a specific base or unit.
Notable
- A government / DoD network, not a commercial ISP or host. Part of a contiguous block of DNIC-held ASNs.
- The low AS number reflects an allocation from the internet's earliest years, handed out roughly sequentially.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-20, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 14 prefixes · 8.19K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 14 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS616- Registry name
- DNIC-ASBLK-00616-00665
- Registrant
- United States Department of Defense (DoD)
- Abuse contact
- disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
- Registered
- 1990-04-19
- Last changed
- 2025-09-12
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 18 with no ROA
- ROAs
- 0 authorising AS634
- ASPA
- no ASPA record
- IRR
- 0% registered · 0 of 18 announcements
- Route objects
- 0 naming AS634
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,778 prefixes, as published 2026-10-20. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere