Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS11257

Announcement observedARIN

UNIVERSITY-LETHBRIDGE - University of Lethbridge · UNIVERSITY-LETHBRIDGE

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 04:11:31Snapshot expired

View network topology RDAP registration

ASN: AS11257
Registration country: Canada
Name: UNIVERSITY-LETHBRIDGE - University of Lethbridge
Abbreviation: UNIVERSITY-LETHBRIDGE
Registration date: 6/3/1998, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
142.66.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: UNIVERSITY-LETHBRIDGE - University of Lethbridge
RIR: ARIN
Registration country: Canada
Registration date: 6/3/1998, 04:00:00
Abuse contact: keith.knowles@uleth.ca

Snapshot trend

9/30/2026, 04:11:311 v40 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap