Report for 16657

Name

CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

16657 CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44393 AS16657        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
33808 AS16657       CROWNCASTLE-AS16657 - Crown Castle Fiber LLC,      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  151.181.32.0/24      4777 2516 1299 46887 16657   
  151.181.36.0/24      4777 2516 1299 46887 16657   
  208.69.87.0/24       4777 2497 1299 46887 16657   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS16657   3 More Specifics   3 Total Advertisements   CROWNCASTLE-AS16657 - Crown Castle Fiber LLC, US
    151.181.32.0/24               151.181.32.0/19
    151.181.36.0/24               151.181.32.0/19
    208.69.87.0/24                208.69.84.0/22

Whois Entry

whois: 402332

IANA has recorded AS16657 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16657\n             
             #
             # 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:       16657
             ASName:         CROWNCASTLE-AS16657
             ASHandle:       AS16657
             RegDate:        2005-06-29
             Updated:        2024-02-29
             Ref:            https://rdap.arin.net/registry/autnum/16657
             
             
             
             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
             
             
             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
             
             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
             
             
             #
             # 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.
             #