Report for 53434

Name

SRI-INTERNATIONAL-PRINCETON - SRI International, 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.

53434 SRI-INTERNATIONAL-PRINCETON - SRI International, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33287         COMCAST-33287 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
50823 AS53434        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  SRI-INTERNATIONAL-PRINCETON - SRI International, 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       %
48498 AS53434       SRI-INTERNATIONAL-PRINCETON - SRI Internation      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.57.136.0/23      4777 2516 7922 33287 53434   

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

AS53434   1 More Specifics   1 Total Advertisements   SRI-INTERNATIONAL-PRINCETON - SRI International, US
    128.57.136.0/23               128.57.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS53434 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53434\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:       53434
             ASName:         SRI-INTERNATIONAL-PRINCETON
             ASHandle:       AS53434
             RegDate:        2014-09-30
             Updated:        2014-09-30
             Ref:            https://rdap.arin.net/registry/autnum/53434
             
             
             OrgName:        SRI International
             OrgId:          SI-342
             Address:        201 Washington Road
             City:           Princeton
             StateProv:      NJ
             PostalCode:     08543
             Country:        US
             RegDate:        2014-06-25
             Updated:        2025-12-01
             Ref:            https://rdap.arin.net/registry/entity/SI-342
             
             
             OrgRoutingHandle: TOMAS90-ARIN
             OrgRoutingName:   Tomasetti, John 
             OrgRoutingPhone:  +1-650-859-6166 
             OrgRoutingEmail:  john.tomasetti@sri.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/TOMAS90-ARIN
             
             OrgRoutingHandle: MAMF-ARIN
             OrgRoutingName:   Favis, Mark Anthony  Medrano
             OrgRoutingPhone:  +1-650-859-6499 
             OrgRoutingEmail:  mark.favis@sri.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/MAMF-ARIN
             
             OrgNOCHandle: MNS19-ARIN
             OrgNOCName:   Manager, Network Systems
             OrgNOCPhone:  +1-609-651-2985 
             OrgNOCEmail:  raymond.mccallus@sri.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MNS19-ARIN
             
             OrgTechHandle: TOMAS90-ARIN
             OrgTechName:   Tomasetti, John 
             OrgTechPhone:  +1-650-859-6166 
             OrgTechEmail:  john.tomasetti@sri.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TOMAS90-ARIN
             
             OrgAbuseHandle: MAMF-ARIN
             OrgAbuseName:   Favis, Mark Anthony  Medrano
             OrgAbusePhone:  +1-650-859-6499 
             OrgAbuseEmail:  mark.favis@sri.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAMF-ARIN
             
             OrgAbuseHandle: MNS19-ARIN
             OrgAbuseName:   Manager, Network Systems
             OrgAbusePhone:  +1-609-651-2985 
             OrgAbuseEmail:  raymond.mccallus@sri.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MNS19-ARIN
             
             OrgDNSHandle: TOMAS90-ARIN
             OrgDNSName:   Tomasetti, John 
             OrgDNSPhone:  +1-650-859-6166 
             OrgDNSEmail:  john.tomasetti@sri.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/TOMAS90-ARIN
             
             OrgTechHandle: MNS19-ARIN
             OrgTechName:   Manager, Network Systems
             OrgTechPhone:  +1-609-651-2985 
             OrgTechEmail:  raymond.mccallus@sri.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MNS19-ARIN
             
             OrgDNSHandle: MAMF-ARIN
             OrgDNSName:   Favis, Mark Anthony  Medrano
             OrgDNSPhone:  +1-650-859-6499 
             OrgDNSEmail:  mark.favis@sri.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/MAMF-ARIN
             
             OrgTechHandle: MAMF-ARIN
             OrgTechName:   Favis, Mark Anthony  Medrano
             OrgTechPhone:  +1-650-859-6499 
             OrgTechEmail:  mark.favis@sri.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MAMF-ARIN
             
             OrgAbuseHandle: TOMAS90-ARIN
             OrgAbuseName:   Tomasetti, John 
             OrgAbusePhone:  +1-650-859-6166 
             OrgAbuseEmail:  john.tomasetti@sri.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TOMAS90-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.
             #