AS694

AS694 (DNIC-AS-00694) is a dormant legacy Autonomous System registered under ARIN to Headquarters, USAISC — the U.S. Army Information Systems Command — that currently announces zero IPv4 or IPv6 prefixes and shows zero visible BGP peers, making it allocated but not publicly routed.

The ASN sits in the IANA 16-bit AS Numbers block (range 1-1876, "Assigned by ARIN") and carries a DNIC name prefix, marking it a legacy Defense Network Information Center allocation rather than a commercial-ISP assignment. ARIN's autnum top-level registration event dates the allocation to 1990-08-02, with a last-changed event of 2011-08-02.

USAISC itself was reorganized into U.S. Army Signal Command in 1996 and later folded into U.S. Army Network Enterprise Technology Command (NETCOM), but ARIN's registrant record was never renamed and still reads "Headquarters, USAISC" at Fort Huachuca, AZ. No RDAP link ties NETCOM to this specific ASN, so the current operating custodian cannot be confirmed.

Administrative and abuse contact duties have since moved to DISA-Columbus (Whitehall, OH), suggesting Defense Information Systems Agency oversight even though the registrant org name on file has not changed. RIPEstat, CAIDA ASRank, and Hurricane Electric's BGP Toolkit all independently agree on zero announced prefixes, zero observed peers, and a customer cone limited to the ASN itself — consistent with a dormant, DoD-internal legacy holding rather than an actively routed network.

Operator (registrant)

Headquarters, USAISC (U.S. Army Information Systems Command); ARIN handle HEADQU-3, address NETC-ANC CONUS TNOSC, Fort Huachuca, AZ 85613 [Confirmed] — https://rdap.arin.net/registry/autnum/694

Country / RIR

US, ARIN (block: IANA 16-bit AS Numbers Registry, 1-1876, "Assigned by ARIN") [Confirmed] — https://rdap.arin.net/registry/autnum/694

Allocated

1990-08-02 (ARIN autnum top-level "registration" event); last changed 2011-08-02 [Confirmed] — https://rdap.arin.net/registry/autnum/694. Nested entity-level dates (HEADQU-3 org registration 1990-03-26; REGIS10-ARIN contact-group registration 2009-06-24) are separate entity events, not the ASN's own allocation date, and were excluded.

Org status

"active" per ARIN status field; abuse/administrative contact custody has shifted to DISA-Columbus, OH, while the registrant org name remains the legacy "Headquarters, USAISC" from before the 1996 Army Signal Command / later NETCOM reorganization [Likely] — https://rdap.arin.net/registry/autnum/694

Operator website

Unknown — no dedicated site exists for this ASN registration; NETCOM (https://www.netcom.army.mil/) is a plausible institutional successor but is not linked to AS694 in RDAP or any independent source [Unknown]

IANA reference

none published — left blank rather than invented [Unknown]

Abuse contact

disa.columbus.ns.mbx.arin-registrations@mail.mil

Security/abuse context

no notable public abuse signal found as of 2026-07-18 (checked Spamhaus blocklist resource pages, NANOG mailing-list archives, general web search); absence is sourced, not a confirmed clean bill from an authoritative feed

Network & routing

Network type

U.S. DoD / Army government network (DNIC legacy allocation), not a commercial ISP, hosting, or content network [Confirmed] — RDAP name "DNIC-AS-00694"

Routing status

dormant — 0 IPv4/IPv6 prefixes announced; 0 of 325 RIS v4 peers and 0 of 321 RIS v6 peers see it; CAIDA asnDegree (customer/peer/provider) all 0; customer cone = 1 ASN (itself), 0 prefixes, 0 addresses [Confirmed] — https://stat.ripe.net, https://bgp.he.net/AS694, CAIDA ASRank

CAIDA AS rank

79,459 (seen: false, cliqueMember: false) [Confirmed] — CAIDA ASRank

Peering

no PeeringDB record found; no public peering policy [Confirmed] — https://bgp.he.net/AS694

RPKI

not assessable — no announced prefixes, so no ROAs exist to validate [Confirmed] — RIPEstat rpki-validation (skipped, no prefix), https://bgp.he.net/AS694

Analyst note

legacy DoD DNIC-block ASN, allocated 1990 but unrouted today; all routing sources agree on zero activity, and contact custody appears to have moved to DISA without a corresponding registrant-name update.