Autonomous system profile

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

AS22648

Announcement observedARIN

SWG - Southwest Gas Corporation · SWG

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

Last active10/1/2026, 10:35:22Snapshot expired

View network topology RDAP registration

ASN: AS22648
Registration country: United States
Name: SWG - Southwest Gas Corporation
Abbreviation: SWG
Registration date: 10/30/2001, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
167.207.136.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
167.207.140.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: SWG - Southwest Gas Corporation
RIR: ARIN
Registration country: United States
Registration date: 10/30/2001, 05:00:00
Abuse contact: michael.rawlinson@swgas.com

Snapshot trend

10/1/2026, 10:35:222 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