Report for 19557

Name

CHANGEIP-01 - CHANGEIP COM, 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.

19557 CHANGEIP-01 - CHANGEIP COM, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS23352         SERVERCENTRAL - DEFT.COM, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19008 AS19557        ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  CHANGEIP-01 - CHANGEIP COM, 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       %
 8348 AS19557       CHANGEIP-01 - CHANGEIP COM, US                     6      5      0      1      5  83.33%


  Prefix               AS Path                              Aggregation Suggestion
  204.16.168.0/21      4777 2497 3257 23352 19557   
  204.16.171.0/24      4777 2497 3257 23352 19557 - Withdrawn - matching aggregate 204.16.168.0/21 4777 2497 3257 23352 19557
  204.16.172.0/24      4777 2497 3257 23352 19557 - Withdrawn - matching aggregate 204.16.168.0/21 4777 2497 3257 23352 19557
  204.16.173.0/24      4777 2497 3257 23352 19557 - Withdrawn - matching aggregate 204.16.168.0/21 4777 2497 3257 23352 19557
  204.16.174.0/24      4777 2497 3257 23352 19557 - Withdrawn - matching aggregate 204.16.168.0/21 4777 2497 3257 23352 19557
  204.16.175.0/24      4777 2497 3257 23352 19557 - Withdrawn - matching aggregate 204.16.168.0/21 4777 2497 3257 23352 19557

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

AS19557   5 More Specifics   6 Total Advertisements   CHANGEIP-01 - CHANGEIP COM, US
    204.16.171.0/24               204.16.168.0/21
    204.16.172.0/24               204.16.168.0/21
    204.16.173.0/24               204.16.168.0/21
    204.16.174.0/24               204.16.168.0/21
    204.16.175.0/24               204.16.168.0/21

Whois Entry

whois: 402332

IANA has recorded AS19557 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19557\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:       19557
             ASName:         CHANGEIP-01
             ASHandle:       AS19557
             RegDate:        2005-10-21
             Updated:        2012-03-02
             Comment:        For abuse issues contact SUPPORT AT CHANGEIP.COM
             Ref:            https://rdap.arin.net/registry/autnum/19557
             
             
             OrgName:        CHANGEIP COM
             OrgId:          CHANG-4
             Address:        PO Box 2333
             City:           San Marcos
             StateProv:      CA
             PostalCode:     92079
             Country:        US
             RegDate:        2005-10-17
             Updated:        2005-11-09
             Ref:            https://rdap.arin.net/registry/entity/CHANG-4
             
             
             OrgTechHandle: CSD2-ARIN
             OrgTechName:   ChangeIP Network Operations
             OrgTechPhone:  +1-800-791-3367 
             OrgTechEmail:  networking@changeip.cc
             OrgTechRef:    https://rdap.arin.net/registry/entity/CSD2-ARIN
             
             OrgAbuseHandle: CSD2-ARIN
             OrgAbuseName:   ChangeIP Network Operations
             OrgAbusePhone:  +1-800-791-3367 
             OrgAbuseEmail:  networking@changeip.cc
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CSD2-ARIN
             
             RAbuseHandle: CSD2-ARIN
             RAbuseName:   ChangeIP Network Operations
             RAbusePhone:  +1-800-791-3367 
             RAbuseEmail:  networking@changeip.cc
             RAbuseRef:    https://rdap.arin.net/registry/entity/CSD2-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.
             #