Report for 398324

Name

CENSYS-ARIN-01 - Censys, Inc., 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.

398324 CENSYS-ARIN-01 - Censys, Inc., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE - GTT Communications Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6939          HURRICANE - Hurricane Electric LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19514 AS398324       ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  CENSYS-ARIN-01 - Censys, Inc., 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       %
76245 AS398324      CENSYS-ARIN-01 - Censys, Inc., US                 13      0      0     13      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  66.132.148.0/24      4777 2516 3356 398324   
  66.132.153.0/24      4608 6939 398324       
  66.132.172.0/24      4608 6939 398324       
  66.132.186.0/24      4777 2516 3356 398324   
  66.132.195.0/24      4777 2516 3356 398324   
  66.132.198.0/24      4777 2516 3356 398324   
  66.132.224.0/24      4608 6939 398324       
  66.132.228.0/24      4608 6939 398324       
  66.234.1.0/24        4777 2516 3257 398324   
  162.142.125.0/24     4608 6939 398324       
  167.94.138.0/24      4777 2516 3257 398324   
  167.248.133.0/24     4777 2516 3257 398324   
  206.168.35.0/24      4777 2516 3356 398324   

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

AS398324   1 More Specifics   13 Total Advertisements   CENSYS-ARIN-01 - Censys, Inc., US
    206.168.35.0/24               206.168.32.0/22

Whois Entry

whois: 402603

IANA has recorded AS398324 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS398324\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:       398324
             ASName:         CENSYS-ARIN-01
             ASHandle:       AS398324
             RegDate:        2020-04-27
             Updated:        2020-04-27
             Ref:            https://rdap.arin.net/registry/autnum/398324
             
             
             
             OrgName:        Censys, Inc.
             OrgId:          CENSY
             Address:        116 1/2 S Main Street
             City:           Ann Arbor
             StateProv:      MI
             PostalCode:     48104
             Country:        US
             RegDate:        2018-08-06
             Updated:        2019-08-03
             Comment:        https://censys.io
             Ref:            https://rdap.arin.net/registry/entity/CENSY
             
             
             OrgAbuseHandle: CAT20-ARIN
             OrgAbuseName:   Censys Abuse Team
             OrgAbusePhone:  +1-248-629-0125 
             OrgAbuseEmail:  scan-abuse@censys.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAT20-ARIN
             
             OrgNOCHandle: COT12-ARIN
             OrgNOCName:   Censys Operations Team
             OrgNOCPhone:  +1-248-629-0125 
             OrgNOCEmail:  ops@censys.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/COT12-ARIN
             
             OrgTechHandle: COT12-ARIN
             OrgTechName:   Censys Operations Team
             OrgTechPhone:  +1-248-629-0125 
             OrgTechEmail:  ops@censys.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/COT12-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.
             #