Autonomous system profile

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

AS12198

Announcement observedARIN

JSMSR-LLC - JSMSR Network · JSMSR-LLC

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

Last active10/14/2026, 12:55:05Snapshot expired

View network topology RDAP registration

ASN: AS12198
Registration country: United States
Name: JSMSR-LLC - JSMSR Network
Abbreviation: JSMSR-LLC
Registration date: 5/29/2024, 18:30:06
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
131.143.239.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/14/2026, 08:00:00	✓	×	Currently valid
2.27.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/14/2026, 08:00:00	✓	×	Currently valid
23.162.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/14/2026, 08:00:00	✓	×	Currently valid
23.177.40.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/14/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: JSMSR-LLC - JSMSR Network
RIR: ARIN
Registration country: United States
Registration date: 5/29/2024, 18:30:06
Abuse contact: noc@jsmsr.com

Snapshot trend

10/14/2026, 12:55:054 v422 v613 Upstream · 9 Uncertain

10/12/2026, 07:18:264 v422 v614 Upstream · 8 Uncertain

10/10/2026, 01:29:224 v423 v614 Upstream · 8 Uncertain

9/30/2026, 06:32:154 v423 v616 Upstream · 7 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 · cha-la-bgp-observations