Autonomous system profile

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

AS21578

Announcement observedARIN

AS21578 - Universidad autonoma de Bucaramanga · AS21578

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

Last active10/9/2026, 08:24:03Snapshot expired

View network topology RDAP registration

ASN: AS21578
Registration country: Colombia
Name: AS21578 - Universidad autonoma de Bucaramanga
Abbreviation: AS21578
Registration date: 5/25/2001, 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
181.119.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/9/2026, 00:00:00	✓	×	Historical record
190.68.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/9/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: AS21578 - Universidad autonoma de Bucaramanga
RIR: ARIN
Registration country: Colombia
Registration date: 5/25/2001, 12:00:00
Abuse contact: vlozano@unab.edu.co

Snapshot trend

10/9/2026, 08:24:032 v40 v62 Upstream · 0 Uncertain

10/1/2026, 07:49:502 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