Autonomous system profile

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

AS1840

Announcement observedARIN

AS1840 - Universidad de Las Americas-Puebla · AS1840

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

Last active10/13/2026, 19:51:20Snapshot expired

View network topology RDAP registration

ASN: AS1840
Registration country: Mexico
Name: AS1840 - Universidad de Las Americas-Puebla
Abbreviation: AS1840
Registration date: 4/30/1992, 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
140.148.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.20.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
140.148.61.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: AS1840 - Universidad de Las Americas-Puebla
RIR: ARIN
Registration country: Mexico
Registration date: 4/30/1992, 12:00:00
Abuse contact: operacion@udlap.mx

Snapshot trend

10/13/2026, 19:51:2012 v40 v62 Upstream · 0 Uncertain

10/13/2026, 19:51:1912 v40 v62 Upstream · 0 Uncertain

9/29/2026, 08:33:0812 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