Report for 53579

Name

FLP-5 - The Free Library of Philadelphia, 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.

53579 FLP-5 - The Free Library of Philadelphia, 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
64287 AS53579        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  FLP-5 - The Free Library of Philadelphia, 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       %
47761 AS53579       FLP-5 - The Free Library of Philadelphia, US       1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.239.6.0/24       4777 2516 1299 46887 53579   

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

AS53579   1 More Specifics   1 Total Advertisements   FLP-5 - The Free Library of Philadelphia, US
    131.239.6.0/24                131.239.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS53579 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53579\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:       53579
             ASName:         FLP-5
             ASHandle:       AS53579
             RegDate:        2010-06-22
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/53579
             
             
             OrgName:        The Free Library of Philadelphia
             OrgId:          FLP-5
             Address:        1901 Vine Street
             City:           Philadelphia
             StateProv:      PA
             PostalCode:     19103
             Country:        US
             RegDate:        2010-06-04
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/FLP-5
             
             
             OrgAbuseHandle: JDW26-ARIN
             OrgAbuseName:   Wynder, John D.
             OrgAbusePhone:  +1-215-686-5297 
             OrgAbuseEmail:  wynderj@freelibrary.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JDW26-ARIN
             
             OrgTechHandle: GF275-ARIN
             OrgTechName:   Falkowski, Glenn 
             OrgTechPhone:  +1-908-259-3222 
             OrgTechEmail:  glennf@glen.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GF275-ARIN
             
             OrgAbuseHandle: GF275-ARIN
             OrgAbuseName:   Falkowski, Glenn 
             OrgAbusePhone:  +1-908-259-3222 
             OrgAbuseEmail:  glennf@glen.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GF275-ARIN
             
             OrgTechHandle: JDW26-ARIN
             OrgTechName:   Wynder, John D.
             OrgTechPhone:  +1-215-686-5297 
             OrgTechEmail:  wynderj@freelibrary.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/JDW26-ARIN
             
             RNOCHandle: JDW26-ARIN
             RNOCName:   Wynder, John D.
             RNOCPhone:  +1-215-686-5297 
             RNOCEmail:  wynderj@freelibrary.org
             RNOCRef:    https://rdap.arin.net/registry/entity/JDW26-ARIN
             
             RAbuseHandle: JDW26-ARIN
             RAbuseName:   Wynder, John D.
             RAbusePhone:  +1-215-686-5297 
             RAbuseEmail:  wynderj@freelibrary.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/JDW26-ARIN
             
             RTechHandle: JDW26-ARIN
             RTechName:   Wynder, John D.
             RTechPhone:  +1-215-686-5297 
             RTechEmail:  wynderj@freelibrary.org
             RTechRef:    https://rdap.arin.net/registry/entity/JDW26-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.
             #