ASN AS46887 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS46887?

AS46887 is listed under Crown Castle Fiber LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS46887 Crown Castle Fiber LLC

ASN Lookup Tool

Crown Castle Fiber LLC crowncastle.com

US 1002 Routes

AS Data

AS46887

AS46887 – Crown Castle Fiber LLC

AS Number	46887
AS Name	CROWNCASTLE-AS46887
Organization	Crown Castle Fiber LLC(ccfl-10)
Country	US
Website	crowncastle.com
Number of IPv4 Routes	789
Number of IPv6 Routes	213
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-04-13

ASN Intelligence API for production workflows

Use ASN data for AS46887 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
131.239.216.0/22	AS46887	Crown Castle Fiber LLC	South Brunswick Township	1024
131.239.42.0/23	AS46887	Crown Castle Fiber LLC	ARE NC Region No. 14, LLC, a Delaware limited liability company	512
144.121.144.0/22	AS46887	Crown Castle Fiber LLC	BCN Telecom	1024
104.207.220.0/24	AS46887	Crown Castle Fiber LLC	APXnet	256
209.160.146.0/23	AS46887	Crown Castle Fiber LLC	Crown Castle Fiber LLC	512
159.63.2.0/24	AS46887	Crown Castle Fiber LLC	Fibertech Networks, LLC	256
173.225.63.0/24	AS46887	Crown Castle Fiber LLC	City of Warwick RI	256
199.102.112.0/21	AS46887	Crown Castle Fiber LLC	NEUROMETRIX, INC.	2048
65.254.16.0/22	AS46887	Crown Castle Fiber LLC	Crown Castle Fiber LLC	1024
162.249.152.0/22	AS46887	Crown Castle Fiber LLC	Blue Bridge Networks	1024

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       46887
ASName:         CROWNCASTLE-AS46887
ASHandle:       AS46887
RegDate:        2009-04-13
Updated:        2024-02-29    
Ref:            https://rdap.arin.net/registry/autnum/46887



OrgName:        Crown Castle Fiber LLC
OrgId:          CCFL-10
Address:        8020 Katy Freeway
City:           Houston
StateProv:      TX
PostalCode:     77024
Country:        US
RegDate:        2023-07-12
Updated:        2026-02-19
Comment:        https://www.crowncastle.com/
Ref:            https://rdap.arin.net/registry/entity/CCFL-10


OrgTechHandle: CCIA3-ARIN
OrgTechName:   Crown Castle IP Admin
OrgTechPhone:  +1-855-933-4237 
OrgTechEmail:  ipadmin@crowncastle.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CCIA3-ARIN

OrgNOCHandle: CCNOC3-ARIN
OrgNOCName:   Crown Castle Network Operations Center
OrgNOCPhone:  +1-855-933-4237 
OrgNOCEmail:  fibersupport@crowncastle.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CCNOC3-ARIN

OrgAbuseHandle: CCAR-ARIN
OrgAbuseName:   Crown Castle Abuse Reports
OrgAbusePhone:  +1-855-933-4237 
OrgAbuseEmail:  abuse@crowncastle.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CCAR-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS54036	Clean Harbors Environmental Services, Inc.	US
AS27243	Spotex	US
AS22475	MVP Health Plan Inc.	US
AS21858	Ascent Data, LLC	US
AS27370	City of Boston	US
AS18481	BOCES Southern Westchester Lower Hudson Regional Information Center	US
AS395359	InTouch Health	US
AS11928	Hachette Book Group, Inc.	US
AS36517	UGI Utilities Inc.	US
AS30613	Chicago Mercantile Exchange	US

Upstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS54036	Clean Harbors Environmental Services, Inc.	US
AS27243	Spotex	US
AS22475	MVP Health Plan Inc.	US
AS21858	Ascent Data, LLC	US
AS27370	City of Boston	US
AS18481	BOCES Southern Westchester Lower Hudson Regional Information Center	US
AS395359	InTouch Health	US
AS11928	Hachette Book Group, Inc.	US
AS36517	UGI Utilities Inc.	US
AS30613	Chicago Mercantile Exchange	US

Contacts

Email Contacts

ipadmin@crowncastle.com

Abuse Contacts

abuse@crowncastle.com

Legacy Routes

167.244.212.0/24 167.244.213.0/24 2607:f7a8:c00::/39 167.244.247.0/24 167.244.244.0/24 2607:f7a8:600::/39 154.17.213.0/24