Autonomous system profile

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

AS13485

Announcement observedARIN

GCU - Grand Canyon University · GCU

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

Last active9/30/2026, 09:21:41Snapshot expired

View network topology RDAP registration

ASN: AS13485
Registration country: United States
Name: GCU - Grand Canyon University
Abbreviation: GCU
Registration date: 10/27/2009, 17:59:40
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
137.152.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.184.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
137.152.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: GCU - Grand Canyon University
RIR: ARIN
Registration country: United States
Registration date: 10/27/2009, 17:59:40
Abuse contact: itsecurity@gcu.edu

Snapshot trend

9/30/2026, 09:21:4111 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