// ASN
AS21687
AS21687 - Crown Castle Fiber LLC, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS21687
- Organization
- Crown Castle Fiber LLC
- Description
- AS21687 - 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
- 0
- IPv6 Prefixes
- 2
IPv6 Prefixes
2 total2607:f7a8:1200::/39 2607:f7a8::/39
What is AS21687?
AS21687 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.
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