The IP API The IP API
// ASN

AS16657

CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS16657
Organization
Crown Castle Fiber LLC
Description
CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US
Country
US
State / Region
TX
City
Houston
Address
8020 Katy Freeway
Registry (RIR)
ARIN
Created
2023-08-27
Updated
2026-02-19
IPv4 Prefixes
3
IPv6 Prefixes
0

IPv4 Prefixes

3 total
151.181.32.0/24
151.181.36.0/24
208.69.87.0/24

What is AS16657?

AS16657 is an Autonomous System Number (ASN) assigned to Crown Castle Fiber LLC. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.