AS5666 Speedcast Communications, Inc

NET-CPRK - Speedcast Communications, Inc · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,557largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#49,558of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS5666 in ASN lookup Look up an IP in this network (192.23.157.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

192.23.157.0/24
203.86.223.0/24

Other ASNs named Speedcast Communications, Inc

1 other network uses the same organisation name; together with AS5666 they announce 28,944 IPv4 addresses.

ASNNameIPv4 addresses

AS4913NET-CPRK - Speedcast Communications, Inc US28,432

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS5694#10558 UNIFIED-NET - Blue Cross Blue Shield Association512

AS5705#10559 COLUMBIA-CREDIT-UNION - Columbia Community Credit Union512

AS5721#10560 NDU-NET - National Defense University512

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