AS12198 JSMSR Network

JSMSR-LLC - JSMSR Network · registered in the United States

IPv4 addresses1,0244 prefixes · <0.001% of announced IPv4

Rank in United States#7,868largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#35,317of 79,396 networks with IPv4

IPv6288 x /4822 prefixes

CountryUnited States18,679 ASNs registered there

Open AS12198 in ASN lookup Look up an IP in this network (2.27.149.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

2.27.149.0/24
23.162.24.0/24
23.177.40.0/24
131.143.239.0/24

IPv6 prefixes

All 22 prefixes.

2406:840:e181::/48
2406:840:e182::/48
2406:840:e183::/48
2406:840:e184::/46
2406:840:e188::/45
2602:f919:103::/48
2602:f919:104::/48
2602:f919:107::/48
2602:f919:108::/48
2602:f919:10a::/47
2602:f919:10c::/48
2602:f919:920::/48
2602:f919:925::/48
2602:f919:926::/48
2602:f919:931::/48
2602:f919:932::/48
2602:f919:935::/48
2602:f919:936::/48
2602:f919:939::/48
2602:f919:93a::/48
2602:f919:93e::/48
2a0f:1cc5:3600::/40

Other ASNs named JSMSR Network

1 other network uses the same organisation name; together with AS12198 they announce 1,024 IPv4 addresses.

ASNNameIPv4 addresses

AS401009JSMSR-NETWORK - JSMSR Network USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS63311#7866 20C - 20C, LLC1,024

AS399765#7867 FASNET-SERVICES - FasNET Services LLC1,024

AS42198#7869 JURASSICINNOVATIONS Jurassic Innovations, LLC1,024

AS219425#7870 SKYLINE-APP Skyline App LLC1,024

AS395047#7871 ARTIX-NET - Artix Networks LLC1,024

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources