AS63476 SMS Assist, L.L.C.

SMS-ASSIST - SMS Assist, L.L.C. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#11,927largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#53,080of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS63476 in ASN lookup Look up an IP in this network (192.132.212.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

192.132.212.0/24
216.21.1.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS63459#11924 INSTINET-LSET - Instinet512

AS63467#11925 PADI-WW - PADI Worldwide Corp512

AS63468#11926 INFINITTNA - Infinitt North America, Inc.512

AS63481#11928 BCRH - BAXTER COUNTY REGIONAL HOSPITAL, INC512

AS64201#11929 PUREIP - Pure IP US LLC512

AS64210#11930 ALTERA - Altera Corporation512

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