AS739

AS739 is an autonomous system associated with Air Force Systems Networking, a U.S. Air Force network-engineering program, and the most recent route-collector snapshot shows it originating no prefixes at all. The most recent RouteViews dump (2026-08-15 02:00 UTC) has no row for AS739 in either its IPv4 or IPv6 collector tables, meaning the ASN was neither seen originating a prefix nor observed as a transit hop in any AS_PATH at that instant.

The registered operator is Air Force Systems Networking (AFSN), a U.S. Air Force/DoD program under the Air Force Life Cycle Management Center that designs, sustains and modernizes Air Force wired and wireless communications across base, regional and Air Force Network (AFNET) tiers, per a subcontractor's public program page. Every candidate .af.mil page checked directly returned HTTP 403, so no operator-official source could be read firsthand.

As observed by RouteViews at the 2026-08-15 02:00 UTC collector dump, AS739 originated no IPv4 or IPv6 prefixes and showed no AS_PATH adjacency to any other network — the standard signature of a fully dormant ASN. Whether that dormancy began recently or years ago cannot be established from a single snapshot, so no start date is asserted.

AS739's current registry-assignment status — active vs. reclaimed — is not established here, and neither are its allocation date, IX memberships, upstreams, or abuse contacts. The AFSN program itself is active: federal contract FA877223C0002 ("AFSN NEIS"), a non-competitive SBA 8(a) award administered through AFLCMC Maxwell AFB, runs through 2026-06-30 with a possible extension to 2026-10-31.

Exposure

No row for AS739 in the RouteViews origin-AS cache (route-views2 IPv4 + route-views6 IPv6, 2026-08-15 02:00 UTC dump) — no prefix originated and no AS_PATH adjacency observed, so no live announced address space and no visible routing-table footprint for AS739 at this snapshot

[Confirmed] — the RouteViews BGP routing data (CC BY 4.0) (AS739, no match), the cached registry snapshots/manifest.json.

Abuse signal

No AS739-specific abuse, hijack, or malware report found as of 2026-08-15 — a direct Spamhaus ASN-DROP fetch (429 listed ASNs, AS739 absent, list timestamp 2026-08-15 07:14 UTC) and NANOG/web searches for AS739 and its operator both came back empty [Likely] — spamhaus.org/drop/asndrop.json.

RPKI

Unknown as of 2026-08-15 — no RPKI validation status could be confirmed for AS739 [Unknown].

Operator

Air Force Systems Networking (AFSN), a U.S. Air Force/DoD network-engineering program under the Air Force Life Cycle Management Center. A subcontractor's program page names the parent office as the "Business and Enterprise Systems Directorate"; a separately-indexed AFLCMC page title suggests it may now be organized as "Cyber Networks" — this naming discrepancy is unresolved since the AFLCMC site itself returned HTTP 403 on direct fetch

[Likely] — solutions71.com/air-force-systems-networking-afsn, highergov.com/contract/FA877223C0002

Country / RIR

US, inferred from the operator's identity as a U.S. DoD entity administering a contract through Maxwell AFB, Alabama; the specific administering RIR could not be confirmed [Likely for country; Unknown for RIR] — highergov.com/contract/FA877223C0002

Allocated / last updated

Unknown — no registry allocation or last-modified date for AS739 could be confirmed [Unknown]

Org status

The AFSN program is active per the open federal contract above. Whether AS739's own registry assignment remains active or has been reclaimed could not be confirmed; program-active does not establish ASN-active [Likely for program activity; Unknown for the ASN's own registry status] — highergov.com/contract/FA877223C0002

Contacts

Unknown — no abuse or NOC contact for AS739 could be confirmed [Unknown]

Website

Unknown — four candidate af.mil pages (AFLCMC Cyber Networks, Wright-Patterson AFB, Hanscom AFB, Air Combat Command) returned HTTP 403 when checked directly on 2026-08-15 [Unknown] — aflcmc.af.mil/WELCOME/Organizations/Cyber-Networks

Security/abuse context (NEUTRAL, DATED)

No AS739-specific abuse, hijack, or malware report found as of 2026-08-15, per a direct Spamhaus ASN-DROP fetch (429 listed ASNs, AS739 absent, list timestamp 2026-08-15 07:14 UTC) and NANOG/web searches

Network & routing

Network type

U.S. Air Force / DoD enterprise network-engineering program, not a commercial ISP. Per a subcontractor's program page, AFSN provides design, development, and technical/programmatic support for Air Force classified and unclassified wired and wireless data communications across base, regional (NOSC/INOSC), and Air Force Network (AFNET) tiers, including JRSS and the Air Force's portion of the Joint Information Environment, spanning CONUS and OCONUS Active Duty, Reserve, Guard, and DoD sites

[Likely] — solutions71.com/air-force-systems-networking-afsn

Size

0 IPv4 and 0 IPv6 prefixes, as observed by RouteViews at the 2026-08-15 02:00 UTC collector dump (route-views2/route-views6) — AS739 has no row in the origin-AS cache, meaning the collector saw it originate nothing

[Confirmed] — the RouteViews BGP routing data (CC BY 4.0) (AS739, no match), the cached registry snapshots/manifest.json

Routing/peering

No prefixes originated and no AS_PATH transit-hop adjacency observed for AS739 in the same RouteViews dump — zero peers, zero upstreams visible at this snapshot. Upstreams cannot be inferred from AS_PATH adjacency even where one exists, since it carries no transit direction [Confirmed for the zero-observation; Unknown for upstreams] — the RouteViews BGP routing data (CC BY 4.0) (AS739, no match)

RPKI

Unknown — no RPKI validation status for AS739 could be confirmed [Unknown]

Notable usage

No AS739-specific notable usage, incident, or news reference was found as of an August 2026 search. At the program level, AFSN is currently active under a non-competitive SBA 8(a) federal contract (FA877223C0002, "AFSN Network Engineering Integration Services"), awarded 2023-07-01 and running through 2026-06-30 with a possible extension to 2026-10-31, administered through AFLCMC Maxwell AFB. This describes the AFSN program, not AS739 specifically

[Likely] — highergov.com/contract/FA877223C0002

Related ASNs

Unknown — no related-ASN grouping for AS739 could be confirmed [Unknown]

Analyst note

AS739 shows no announced routes in the current RouteViews snapshot and no AS739-specific abuse signal as of 2026-08-15. Operator identity (Air Force Systems Networking / AFSN) is corroborated by non-registry sourcing; the ASN's registry-assignment status, allocation date, and technical routing metadata (rank, customer cone, RPKI, IX presence, upstreams, abuse contacts) are Unknown as of 2026-08-15.