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	Prefix	Description
	2607:f7a8::/39	Crown Castle Fiber LLC
	2607:f7a8:1200::/39	Crown Castle Fiber LLC

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✘	✔

ASHandle:       AS21687
OrgID:          CCFL-10
ASName:         AS21687
ASNumber:       21687
RegDate:        2001-06-08
Updated:        2024-01-03
Source:         ARIN



OrgID:          CCFL-10
OrgName:        Crown Castle Fiber LLC
CanAllocate:    
Street:         8020 Katy Freeway
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77024
Comment:        https://www.crowncastle.com/
RegDate:        2023-07-12
Updated:        2026-05-04
OrgAdminHandle: CCIA3-ARIN
OrgTechHandle:  CCIA3-ARIN
OrgTechHandle:  ZIE-ARIN
OrgAbuseHandle: CCAR-ARIN
OrgNOCHandle:   CCNOC3-ARIN
Source:         ARIN





OrgAdminHandle:       CCIA3-ARIN
OrgAdminName:          Crown Castle IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CCIA3-ARIN
OrgTechName:           Crown Castle IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZIE-ARIN
OrgTechName:           Zayo IP Engineering
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CCAR-ARIN
OrgAbuseName:          Crown Castle Abuse Reports
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         CCNOC3-ARIN
OrgNOCName:            Crown Castle Network Operations Center
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:38:47Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-light-141	113
RADB	as-ccf	1530
RADB	as-ccf-test	1461