Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS46887

Announcement observedARIN

CROWNCASTLE-AS46887 - Crown Castle Fiber LLC · ZAYO-CCF-AS46887

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/15/2026, 10:47:16Snapshot expired

View network topology RDAP registration

ASN: AS46887
Registration country: United States
Name: CROWNCASTLE-AS46887 - Crown Castle Fiber LLC
Abbreviation: ZAYO-CCF-AS46887
Registration date: 4/13/2009, 17:09:10
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
104.129.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.64.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.66.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.72.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.74.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.77.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.78.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.78.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.79.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.80.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.82.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.84.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.88.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.89.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.129.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.152.56.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.167.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.167.188.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.192.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.194.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.196.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.198.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.200.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.204.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.208.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.217.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.207.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.222.100.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.222.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.32.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.37.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.39.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.40.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.42.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.44.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.48.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.50.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.52.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.247.54.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CROWNCASTLE-AS46887 - Crown Castle Fiber LLC
RIR: ARIN
Registration country: United States
Registration date: 4/13/2009, 17:09:10
Abuse contact: abuse@zayo.com

Snapshot trend

10/15/2026, 10:47:16801 v4255 v64 Upstream · 0 Uncertain

10/12/2026, 05:51:07800 v4254 v64 Upstream · 0 Uncertain

10/11/2026, 01:34:55800 v4254 v64 Upstream · 0 Uncertain

10/9/2026, 23:35:00800 v4254 v64 Upstream · 0 Uncertain

10/8/2026, 18:04:49800 v4253 v65 Upstream · 0 Uncertain

10/3/2026, 17:51:13800 v4253 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap