AS396926 C Spire Fiber

CSPIRE-MISSION-01 - C Spire Fiber · registered in the United States

IPv4 addresses4,0965 prefixes · <0.001% of announced IPv4

Rank in United States#4,854largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#16,478of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS396926 in ASN lookup Look up an IP in this network (173.235.100.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

173.235.100.0/24
209.147.224.0/23
209.147.226.0/24
209.147.228.0/22
209.147.232.0/21

Other ASNs named C Spire Fiber

1 other network uses the same organisation name; together with AS396926 they announce 235,520 IPv4 addresses.

ASNNameIPv4 addresses

AS11272TELEPAK-NETWORKS-INC - C Spire Fiber US231,424

Similar-sized networks in United States

ASNNameIPv4 addresses

AS395896#4851 SCC-180-ASN - Southeast Community College4,096

AS395924#4852 GC-AMERICA - Globecast America4,096

AS396191#4853 ECHOBROADBAND - Echo Broadband, Inc4,096

AS397183#4855 FLEX-K-L - Flextronics International USA, Inc.4,096

AS397549#4856 TAMU-SA - Texas A&M University San Antonio4,096

AS397608#4857 HCAS-4 - Hanson Communications, Inc.4,096

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