Autonomous system
AS5982 AS5982
Unclassified ARIN
Summary
US Department of Defense — Joint Training Enterprise Network
government military legacy
A US Department of Defense network from the block DNIC-ASBLK-05800-06055,
registered to the DoD Network Information Center (DNIC). Its address space is
associated with the Joint Training Enterprise Network (JTEN) — reverse DNS in
its range resolves under jten.mil.
What it's used for
- Networking for joint training. JTEN is the network underpinning the Joint National Training Capability, carrying live, virtual and constructive training exercises between combatant commands, services and training sites. The same domain fronts Joint Knowledge Online, the DoD's joint online-training portal.
- It announces
199.112.128.0/20from DNIC space — roughly 4,000 IPv4 addresses.
Notable
- A government / DoD network, not a commercial ISP or host.
- Training networks are a distinct slice of DoD networking: they must interconnect many organisations for an exercise and then stand back down, which is why they get their own AS rather than riding on an operational one.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| Unknown | 4 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS5800- Registry name
- DNIC-ASBLK-05800-06055
- Registrant
- United States Department of Defense (DoD)
- Abuse contact
- disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
- Registered
- 1995-10-24
- Last changed
- 2025-09-12
- Status
- active
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
No IC3 indicators Nothing from the FBI IC3 feed.
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere