AS1503
No prefixes for this AS number were observed in the RouteViews RIB.
Summary
- // analyst note
- The combined Route Views observation at 2026-11-03 14:00 UTC across route-views2 and route-views6 contained no prefixes or AS_PATH neighbours; this does not establish inactivity.
About this ASN.
AS1503 is an ASN whose operator and registered name are unknown from the supplied evidence. In the combined Route Views observation at 2026-11-03 14:00 UTC, no IPv4 or IPv6 prefixes and no AS_PATH neighbours were observed across route-views2 and route-views6. This is a snapshot finding; it does not establish that the ASN is inactive or unassigned.
The IANA ASN range data identifies AS1503 within resource range 1–1876 as assigned by ARIN. This names the allocating regional registry only; the supplied record does not identify an organization, country, network type, or website for this ASN. The registry range entry is not evidence of a specific assignment record or deployed network.
For investigation, compare later routing snapshots and consult an authoritative ASN registration record to identify any organization explicitly linked to AS1503. If a route appears later, inspect its origin and AS_PATH in that observation before drawing conclusions about reachability or relationships. The zero counts and empty neighbour sample here support only the stated snapshot scope; they provide no evidence about traffic, prevalence, security, or legitimacy.
- Identity
- Operator, country, and network type are Unknown from the supplied evidence.
- Triage
- Treat the zero route counts as a time-bounded observation; check later snapshots and an authoritative ASN record for identification.
- Operator
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- AS name
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Country
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Website
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
Network & routing
- Network type
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Observation scope
- combined RouteViews snapshot at 2026-11-03T14:00:00.000Z; route-views2, route-views6 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
- ASN
- 1503 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Allocating RIR
- ARIN [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- Organization status
- Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
- IPv4 prefixes observed
- 0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
- IPv6 prefixes observed
- 0 [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
- AS_PATH neighbours observed
- 0; sample empty [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2