Autonomous system profile

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

AS19276

Announcement observedARIN

Borden Ladner Gervais LLP · BLG

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

Last active10/1/2026, 01:23:03Snapshot expired

View network topology RDAP registration

ASN: AS19276
Registration country: Canada
Name: Borden Ladner Gervais LLP
Abbreviation: BLG
Registration date: 1/3/2013, 20:52:23
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
204.138.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/14/2026, 00:00:00	✓	×	Currently valid
204.138.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/14/2026, 00:00:00	✓	×	Currently valid
204.138.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/14/2026, 00:00:00	✓	×	Currently valid
204.138.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/14/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Borden Ladner Gervais LLP
RIR: ARIN
Registration country: Canada
Registration date: 1/3/2013, 20:52:23
Abuse contact: certificates@blg.com

Snapshot trend

10/1/2026, 01:23:034 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 · iana-rdap-asn-bootstrap · rir-rdap-asn