Autonomous system detail

AS1233

Not announced

No prefixes for this AS number were observed in the RouteViews RIB.

Summary

// analyst note
No prefixes or AS_PATH neighbours were observed in the combined route-views2 and route-views6 snapshot at 2026-11-03 14:00 UTC. This single observation does not establish inactivity.
IPv4 prefixes
0
~0 addresses
IPv6 prefixes
0
—
Peer networks
0
0 up · 0 down
IANA block
1-1876
Assigned by ARIN
[ 01 ] — Context

About this ASN.

Updated  ·  Confidence: Low  ·  3 sources  ·  How this page is checked

AS1233 is an ASN with no IPv4 or IPv6 prefixes observed in the combined Route Views snapshot at 2026-11-03 14:00 UTC; its operator and purpose are unknown from the supplied evidence. This snapshot covers route-views2 and route-views6 together. It does not establish that the ASN is inactive, unassigned, unsafe, or unused at other times.

The IANA number range record identifies AS1233 as part of resource 1-1876, assigned by ARIN. That identifies the allocating regional Internet registry for the block, not an individual assignment or the organization operating this ASN. No first-party identity, country, network type, or website evidence was supplied.

For identification, compare the ASN with dated routing observations from additional collectors and times, then consult authoritative registration records for an explicit link between the ASN and an organization. If investigating a particular address, verify its current announced prefix and origin ASN independently; this snapshot supplies no address or route to attribute. Treat the zero counts as a result for the stated observation only.

Routing
Zero IPv4 and IPv6 prefixes were observed in the combined snapshot at 2026-11-03 14:00 UTC.
Identity
The operator, country, and operational purpose are unknown from the supplied evidence.
Triage
Check other dated routing observations and authoritative registration records before associating an address or organization with AS1233.
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
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
1233 [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
IPv4 prefixes observed
0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
IPv4 address estimate
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 neighbour count
0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
AS_PATH neighbour sample
Empty [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261103.1400.bz2
[ 02 ] — Announced prefixes

What this network routes.

0 prefixes total · as observed by RouteViews at 2026-11-06 · one collector view, not a global census
// IPv4 prefixes0
No IPv4 prefixes announced.
// IPv6 prefixes0
No IPv6 prefixes announced.
[ 03 ] — Notable peers & upstreams

Who it talks to.

0 observed neighbours
Neighbour data unavailable from public BGP collectors.