Report for 36407

Name

CERT - Software Engineering Institute, 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.

36407 CERT - Software Engineering Institute, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS5050          PSC-EXT - Pittsburgh Supercomputing Center, US
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30335 AS36407        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  CERT - Software Engineering Institute, 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       %
41111 AS36407       CERT - Software Engineering Institute, US          3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  147.72.252.0/22      4608 7575 11537 5050 36407   
  192.88.209.0/24      4608 7575 11537 5050 36407   
  192.88.210.0/24      4608 7575 11537 5050 36407   

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

AS36407   1 More Specifics   3 Total Advertisements   CERT - Software Engineering Institute, US
    147.72.252.0/22               147.72.0.0/16

Whois Entry

whois: 402613

IANA has recorded AS36407 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS36407\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:       36407
             ASName:         CERT
             ASHandle:       AS36407
             RegDate:        2005-12-22
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/36407
             
             
             OrgName:        Software Engineering Institute
             OrgId:          CERT-1
             Address:        Software Engineering Institute
             Address:        Carnegie Mellon University
             Address:        4500 Fifth Avenue
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15213
             Country:        US
             RegDate:        1991-01-11
             Updated:        2014-08-13
             Ref:            https://rdap.arin.net/registry/entity/CERT-1
             
             
             OrgAbuseHandle: SIT6-ARIN
             OrgAbuseName:   SEI Information Technology
             OrgAbusePhone:  +1-412-268-3416 
             OrgAbuseEmail:  it-netreg@sei.cmu.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN
             
             OrgNOCHandle: SIT6-ARIN
             OrgNOCName:   SEI Information Technology
             OrgNOCPhone:  +1-412-268-3416 
             OrgNOCEmail:  it-netreg@sei.cmu.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN
             
             OrgTechHandle: SIT6-ARIN
             OrgTechName:   SEI Information Technology
             OrgTechPhone:  +1-412-268-3416 
             OrgTechEmail:  it-netreg@sei.cmu.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/SIT6-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.
             #