Autonomous system profile

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

AS33091

Announcement observedARIN

U-CALGARY - University of Calgary · U-CALGARY

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

Last active10/2/2026, 14:06:55Snapshot expired

View network topology RDAP registration

ASN: AS33091
Registration country: Canada
Name: U-CALGARY - University of Calgary
Abbreviation: U-CALGARY
Registration date: 9/28/2004, 12:25:49
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
136.159.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
198.161.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
198.161.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: U-CALGARY - University of Calgary
RIR: ARIN
Registration country: Canada
Registration date: 9/28/2004, 12:25:49
Abuse contact: abuse@ucalgary.ca

Snapshot trend

10/2/2026, 14:06:553 v40 v62 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