AS15212 C Spire

C-SPIRE-WIRELESS - C Spire · registered in the United States

IPv4 addresses28,16016 prefixes · <0.001% of announced IPv4

Rank in United States#1,843largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,163of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS15212 in ASN lookup Look up an IP in this network (50.86.64.1) All networks in United States

IPv4 prefixes

All 16 prefixes, in address order.

50.86.64.0/21
66.175.172.0/24
66.175.174.0/23
66.175.176.0/24
66.175.179.0/24
66.175.180.0/23
66.175.182.0/24
69.197.192.0/18
207.179.32.0/22
207.179.36.0/23
207.179.40.0/21
207.179.48.0/22
207.179.52.0/23
207.179.54.0/24
207.179.55.0/24
207.179.56.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS40628#1840 OKLAHOMA-OMES - Oklahoma Office of Management & Enterprise Services28,416

AS395577#1841 ITHACA-COLLEGE - Ithaca College28,416

AS29825#1842 IIT-NETWORK-AS - Illinois Institute of Technology28,160

AS46635#1844 NET3-AI - Contact Consumers28,160

AS63450#1845 ETHERWEBNET - Ether Web Network, Inc.28,160

AS13984#1846 SD-DATA-CENTER - SD Data Center27,904

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