AS1256

AS1256 is an autonomous system whose organization and deployment are unknown from the supplied evidence. In the combined Route Views observation at 2026-11-03 14:00 UTC, it had zero IPv4 prefixes, zero IPv6 prefixes, zero estimated IPv4 addresses, and zero observed AS_PATH neighbors. This snapshot supports a no-prefix triage status for that observation only; it does not establish that the ASN is dormant or inactive.

The IANA number list places AS1256 in the 1–1876 resource and identifies ARIN as the allocating RIR. That range assignment does not identify an individual holder or prove who operates the ASN. For investigation, compare a fresh BGP snapshot with the historical routing view, then check authoritative registry records for an assignment and organization explicitly tied to AS1256. If examining an IP address or prefix separately, verify its origin and registration independently before associating it with this ASN.

Observed routing

Zero IPv4 and IPv6 prefixes in the combined observation at 2026-11-03 14:00 UTC from route-views2 and route-views6.

Triage

No prefixes or AS_PATH neighbors were observed in that snapshot; absence does not establish inactivity or safety.

Identity

Organization and operator are unknown from the supplied evidence.

RIR

ARIN, the allocating RIR for the IANA block [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

Country

Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

Network & routing

Routing observation

Combined observation at 2026-11-03 14:00 UTC from route-views2 and route-views6 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2

ASN

1256 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

IANA resource

1–1876 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

Organization

Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

IPv4 prefixes

0 observed in the combined snapshot [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2

IPv6 prefixes

0 observed in the combined snapshot [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2

Estimated IPv4 addresses

0 observed in the combined snapshot [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2

AS_PATH neighbors

0 observed; sample empty [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2