Autonomous system profile

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

AS54327

Announcement observedARIN

MTWEST - MONTANA WEST, L.L.C. · MTWEST

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

Last active10/5/2026, 02:56:08Snapshot expired

View network topology RDAP registration

ASN: AS54327
Registration country: United States
Name: MTWEST - MONTANA WEST, L.L.C.
Abbreviation: MTWEST
Registration date: 12/22/2011, 14:33:29
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
162.219.72.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
192.30.116.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
204.62.201.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
204.62.204.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
206.183.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
206.183.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MTWEST - MONTANA WEST, L.L.C.
RIR: ARIN
Registration country: United States
Registration date: 12/22/2011, 14:33:29
Abuse contact: noc@ronan.net

Snapshot trend

10/5/2026, 02:56:086 v41 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