AS1537
No prefixes for this AS number were observed in the RouteViews RIB.
Summary
- // analyst note
- No operator identity or purpose established by supplied evidence. Combined Route Views observation is scoped to route-views2 and route-views6 at 2026-11-06T20:00:00Z; zero routes and neighbours are not evidence of inactivity.
About this ASN.
AS1537 is an ASN assigned from the ARIN block, but its operator and purpose are unknown from the supplied evidence. In the combined Route Views snapshot at 2026-11-06 20:00 UTC, no IPv4 or IPv6 prefixes were observed, and no AS_PATH neighbours were recorded. This is a point-in-time routing observation, not evidence that the ASN is dormant or inactive.
The snapshot combines route-views2 and route-views6. It records zero IPv4 prefixes, zero IPv6 prefixes, an IPv4 address estimate of zero, and zero observed neighbours. The empty neighbour sample gives no basis for identifying upstreams, verified peers, customers, or commercial relationships.
For investigation, compare a later routing snapshot and consult authoritative registry records for an explicit organization-to-ASN link. If assessing a particular IP address, verify its currently advertised prefix and origin separately; this snapshot contains no observed prefix to associate with AS1537. The available evidence also does not establish country, network type, website, organizational status, or security status.
- Identity
- ASN 1537 is assigned from the ARIN block; operator and purpose are Unknown.
- Routing observation
- At 2026-11-06 20:00 UTC, the combined route-views2 and route-views6 observation contained zero IPv4 prefixes, zero IPv6 prefixes, and zero AS_PATH neighbours.
- Triage
- This snapshot provides no observed route or neighbour to investigate; absence here does not establish inactivity or security status.
- RIR
- ARIN, the allocating RIR for IANA block 1–1876 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Operator
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
Network & routing
- Routing snapshot
- Combined observation at 2026-11-06 20:00 UTC across route-views2 and route-views6; 0 IPv4 prefixes, 0 IPv6 prefixes, 0 estimated IPv4 addresses, 0 observed neighbours [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
- ASN
- 1537 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv