Report for 11205

Name

CITY-OF-PHILADELPHIA - City 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 AS6447) 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.

11205 CITY-OF-PHILADELPHIA, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS33287         COMCAST-33287, US
    AS33659         CMCS, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3374  AS11205        ORIGIN  Originate:      66304 /15.98  Transit:          0 /0.00  CITY-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       %
15855 AS11205       CITY-OF-PHILADELPHIA, US                           3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  170.115.0.0/16       7018 7922 33659 11205   
  170.115.247.0/24     7018 7922 33659 11205 - Withdrawn - matching aggregate 170.115.0.0/16 7018 7922 33659 11205
  170.115.248.0/23     7018 7922 33659 11205 - Withdrawn - matching aggregate 170.115.0.0/16 7018 7922 33659 11205

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

AS11205   2 More Specifics   3 Total Advertisements   CITY-OF-PHILADELPHIA, US
    170.115.247.0/24              170.115.0.0/16
    170.115.248.0/23              170.115.0.0/16

Whois Entry

whois: 402551

IANA has recorded AS11205 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11205\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:       11205
             ASName:         CITY-OF-PHILADELPHIA
             ASHandle:       AS11205
             RegDate:        1998-05-18
             Updated:        2025-10-23
             Ref:            https://rdap.arin.net/registry/autnum/11205
             
             
             OrgName:        City of Philadelphia
             OrgId:          CITYOF-86
             Address:        1234 Market Street, 15th Floor
             City:           Philadelphia
             StateProv:      PA
             PostalCode:     19107
             Country:        US
             RegDate:        1994-04-18
             Updated:        2025-10-23
             Ref:            https://rdap.arin.net/registry/entity/CITYOF-86
             
             
             OrgTechHandle: DOYNE-ARIN
             OrgTechName:   Doyne, Dennis 
             OrgTechPhone:  +1-215-686-5918 
             OrgTechEmail:  dennis.doyne@phila.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/DOYNE-ARIN
             
             OrgAbuseHandle: DOYNE-ARIN
             OrgAbuseName:   Doyne, Dennis 
             OrgAbusePhone:  +1-215-686-5918 
             OrgAbuseEmail:  dennis.doyne@phila.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DOYNE-ARIN
             
             RTechHandle: DLR18-ARIN
             RTechName:   Rothman, Daniel Lloyd
             RTechPhone:  +1-215-827-9600 
             RTechEmail:  daniel.rothman@Phila.gov
             RTechRef:    https://rdap.arin.net/registry/entity/DLR18-ARIN
             
             RTechHandle: DOYNE-ARIN
             RTechName:   Doyne, Dennis 
             RTechPhone:  +1-215-686-5918 
             RTechEmail:  dennis.doyne@phila.gov
             RTechRef:    https://rdap.arin.net/registry/entity/DOYNE-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.
             #