Report for 53521

Name

CDS-200 - Complete Discovery Source, 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.

53521 CDS-200 - Complete Discovery Source, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
50888 AS53521        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CDS-200 - Complete Discovery Source, 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       %
48012 AS53521       CDS-200 - Complete Discovery Source, US            2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.125.93.0/24       4777 2516 174 53521 53521 53521 53521 53521   
  154.60.112.0/24      4777 2497 6461 53521 53521 53521 53521   

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

AS53521   2 More Specifics   2 Total Advertisements   CDS-200 - Complete Discovery Source, US
    38.125.93.0/24                38.0.0.0/8
    154.60.112.0/24               154.60.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS53521 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53521\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:       53521
             ASName:         CDS-200
             ASHandle:       AS53521
             RegDate:        2013-10-08
             Updated:        2013-10-08
             Ref:            https://rdap.arin.net/registry/autnum/53521
             
             
             OrgName:        Complete Discovery Source
             OrgId:          CDS-200
             Address:        250 Park Avenue
             Address:        18th Floor
             City:           New York
             StateProv:      NY
             PostalCode:     10177
             Country:        US
             RegDate:        2010-05-17
             Updated:        2025-03-06
             Ref:            https://rdap.arin.net/registry/entity/CDS-200
             
             
             OrgTechHandle: ITDIR27-ARIN
             OrgTechName:   IT Director
             OrgTechPhone:  +1-212-813-7064 
             OrgTechEmail:  bsingh@cdslegal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ITDIR27-ARIN
             
             OrgNOCHandle: CDSLE1-ARIN
             OrgNOCName:   CDSLegalARIN
             OrgNOCPhone:  +1-212-813-7000 
             OrgNOCEmail:  InformationTechnology@cdslegal.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CDSLE1-ARIN
             
             OrgAbuseHandle: ITDIR27-ARIN
             OrgAbuseName:   IT Director
             OrgAbusePhone:  +1-212-813-7064 
             OrgAbuseEmail:  bsingh@cdslegal.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITDIR27-ARIN
             
             OrgTechHandle: SAWHR-ARIN
             OrgTechName:   Sawh, Raul 
             OrgTechPhone:  +1-646-709-4224 
             OrgTechEmail:  rsawh@cdslegal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SAWHR-ARIN
             
             OrgTechHandle: SYLVE40-ARIN
             OrgTechName:   Sylvester, Thomas 
             OrgTechPhone:  +1-386-627-4987 
             OrgTechEmail:  tsylvester@cdslegal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SYLVE40-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.
             #