Report for 27281

Name

QUANTCAST - Quantcast Corporation, 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.

27281 QUANTCAST, US

  Adjacency:     8  Upstream:     8  Downstream:     0
  Upstream Adjacent AS list
    AS293           ESNET, US
    AS3130          RGNET-SEA RGnet Seattle Westin, EE
    AS37100         SEACOM-AS, MU
    AS12552         IPO-EU, SE
    AS174           COGENT-174, US
    AS6939          HURRICANE, US
    AS3356          LEVEL3, US
    AS6461          ZAYO-6461, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24894 AS27281        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  QUANTCAST, 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       %
12630 AS27281       QUANTCAST, US                                      8      4      1      5      3  37.50%


  Prefix               AS Path                              Aggregation Suggestion
  103.229.8.0/22       6939 27281           + Announce - aggregate of 103.229.8.0/23 (6939 27281) and 103.229.10.0/23 (6939 27281)
  103.229.8.0/24       6939 27281           - Withdrawn - aggregated with 103.229.9.0/24 (6939 27281)
  103.229.9.0/24       6939 27281           - Withdrawn - aggregated with 103.229.8.0/24 (6939 27281)
  103.229.10.0/24      6939 27281           - Withdrawn - aggregated with 103.229.11.0/24 (6939 27281)
  103.229.11.0/24      6939 27281           - Withdrawn - aggregated with 103.229.10.0/24 (6939 27281)
  192.184.74.0/24      6939 27281             
  192.184.75.0/24      293 27281              
  192.184.76.0/24      293 27281              
  192.184.77.0/24      6939 27281             

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

AS27281   5 More Specifics   5 Total Advertisements   QUANTCAST, US
    103.229.11.0/24               103.229.8.0/22
    192.184.74.0/24               192.184.64.0/20
    192.184.75.0/24               192.184.64.0/20
    192.184.76.0/24               192.184.64.0/20
    192.184.77.0/24               192.184.64.0/20
    192.184.67.0/24               192.184.64.0/20
    192.184.68.0/24               192.184.64.0/20
    192.184.69.0/24               192.184.64.0/20
    192.184.70.0/24               192.184.64.0/20
    192.184.72.0/24               192.184.64.0/20
    192.184.73.0/24               192.184.64.0/20

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 192.184.67.0/24             Withdrawn
    - 192.184.68.0/24             Withdrawn
    - 192.184.69.0/24             Withdrawn
    - 192.184.70.0/24             Withdrawn
    - 192.184.72.0/24             Withdrawn
    - 192.184.73.0/24             Withdrawn

Whois Entry

whois: 402549

IANA has recorded AS27281 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27281\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:       27281
             ASName:         QUANTCAST
             ASHandle:       AS27281
             RegDate:        2007-11-27
             Updated:        2012-04-02
             Comment:        DATAC22-ARIN
             Ref:            https://rdap.arin.net/registry/autnum/27281
             
             
             OrgName:        Quantcast Corporation
             OrgId:          QUANT-103
             Address:        795 Folsom Street
             Address:        5th Floor
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94107
             Country:        US
             RegDate:        2007-11-16
             Updated:        2017-02-01
             Ref:            https://rdap.arin.net/registry/entity/QUANT-103
             
             
             OrgNOCHandle: DATAC22-ARIN
             OrgNOCName:   Datacenter Operations
             OrgNOCPhone:  +1-415-777-5682 
             OrgNOCEmail:  datacenter-ops@quantcast.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN
             
             OrgTechHandle: DATAC22-ARIN
             OrgTechName:   Datacenter Operations
             OrgTechPhone:  +1-415-777-5682 
             OrgTechEmail:  datacenter-ops@quantcast.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN
             
             OrgAbuseHandle: DATAC22-ARIN
             OrgAbuseName:   Datacenter Operations
             OrgAbusePhone:  +1-415-777-5682 
             OrgAbuseEmail:  datacenter-ops@quantcast.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN
             
             RNOCHandle: DATAC22-ARIN
             RNOCName:   Datacenter Operations
             RNOCPhone:  +1-415-777-5682 
             RNOCEmail:  datacenter-ops@quantcast.com
             RNOCRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN
             
             RTechHandle: DATAC22-ARIN
             RTechName:   Datacenter Operations
             RTechPhone:  +1-415-777-5682 
             RTechEmail:  datacenter-ops@quantcast.com
             RTechRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN
             
             RAbuseHandle: DATAC22-ARIN
             RAbuseName:   Datacenter Operations
             RAbusePhone:  +1-415-777-5682 
             RAbuseEmail:  datacenter-ops@quantcast.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/DATAC22-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.
             #