Report for 398722

Name

CENSYS-ARIN-03 - 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.

398722 CENSYS-ARIN-03 - Censys, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3491          PCCWG-APAC-HK - PCCW Global (HK) Ltd., HK
    AS2914          NTT-DATA-2914 - NTT America, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57879 AS398722       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CENSYS-ARIN-03 - 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       %
76401 AS398722      CENSYS-ARIN-03 - Censys, Inc., US                  2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.45.154.0/24      4608 7575 3491 398722   
  199.45.155.0/24      4777 4713 2914 398722   

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

AS398722   2 More Specifics   2 Total Advertisements   CENSYS-ARIN-03 - Censys, Inc., US
    199.45.154.0/24               199.45.154.0/23
    199.45.155.0/24               199.45.154.0/23

Whois Entry

whois: 402603

IANA has recorded AS398722 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS398722\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:       398722
             ASName:         CENSYS-ARIN-03
             ASHandle:       AS398722
             RegDate:        2020-08-18
             Updated:        2020-08-18
             Ref:            https://rdap.arin.net/registry/autnum/398722
             
             
             
             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.io
             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.
             #