AS63290 QCSTelecom, Inc.

QCSTE-AS - QCSTelecom, Inc. · registered in the United States

IPv4 addresses1,0242 prefixes · <0.001% of announced IPv4

Rank in United States#7,795largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#30,620of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS63290 in ASN lookup Look up an IP in this network (66.245.176.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

66.245.176.0/23
66.245.178.0/23

IPv6 prefixes

All 1 prefix.

2605:c880::/32

Similar-sized networks in United States

ASNNameIPv4 addresses

AS53893#7792 EARTHWAVESVCS - Earthwave Services, LLC1,024

AS54187#7793 ECINET2 - EZE Castle Integration Inc.1,024

AS54549#7794 VIP-FIBER - City of Vallejo, A municipal corporation1,024

AS393298#7796 FITELCO-7001 - Fishers Island Telephone Corp.1,024

AS393710#7797 WEBAIR-INTERNET-SINGAPORE - Webair Internet Development Company Inc.1,024

AS393837#7798 VNTX - VERONA 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