AS27506 Crown Castle Fiber LLC

CROWNCASTLE-AS27506 - Crown Castle Fiber LLC · registered in the United States

IPv4 addresses5,1206 prefixes · <0.001% of announced IPv4

Rank in United States#4,119largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#13,644of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27506 in ASN lookup Look up an IP in this network (64.20.168.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

64.20.168.0/24
64.20.175.0/24
64.20.176.0/21
64.20.184.0/22
69.64.204.0/23
69.64.216.0/22

Other ASNs named Crown Castle Fiber LLC

11 other networks use the same organisation name; together with AS27506 they announce 960,512 IPv4 addresses.

ASNNameIPv4 addresses

AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC US813,312

AS33132CROWNCASTLE-AS33132 - Crown Castle Fiber LLC US130,048

AS33313AS33313 - Crown Castle Fiber LLC US6,912

AS23329AS23329 - Crown Castle Fiber LLC US1,536

AS30372AS30372 - Crown Castle Fiber LLC US1,536

AS16657CROWNCASTLE-AS16657 - Crown Castle Fiber LLC US768

AS394647AS394647 - Crown Castle Fiber LLC US512

AS11074CROWNCASTLE-AS11074 - Crown Castle Fiber LLC US256

AS13592CROWNCASTLE-AS13592 - Crown Castle Fiber LLC US256

AS63441AS63441 - Crown Castle Fiber LLC US256

AS21687AS21687 - Crown Castle Fiber LLC USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses

AS26747#4116 PCTCNET-AS1 - Phillips County Telephone Company5,120

AS27009#4117 CUSD - Clovis Unified School District5,120

AS27277#4118 SPACEX - Space Exploration Technologies Corporation5,120

AS29844#4120 SENAWAVE - Sena Wave LLC5,120

AS29949#4121 BFS-49-29949 - Broadridge Financial Solutions, Inc.5,120

AS30305#4122 LPS-1 - Black Knight IP Holding Company, LLC5,120

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