Autonomous system profile

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

AS4493

Announcement observedARIN

AS4493 - Universidad de Sonora · AS4493

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

Last active9/29/2026, 11:43:32Snapshot expired

View network topology RDAP registration

ASN: AS4493
Registration country: Mexico
Name: AS4493 - Universidad de Sonora
Abbreviation: AS4493
Registration date: 3/8/1995, 12:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
148.225.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.144.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.152.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.160.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.168.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.184.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.200.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.201.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.202.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.204.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid
148.225.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/29/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: AS4493 - Universidad de Sonora
RIR: ARIN
Registration country: Mexico
Registration date: 3/8/1995, 12:00:00
Abuse contact: alvaro.dioni@unison.mx

Snapshot trend

9/29/2026, 11:43:3215 v40 v61 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