Report for 397126

Name

SWRI-BLDR - Southwest Research 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.

397126 SWRI-BLDR - Southwest Research Institute, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS33652         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57688 AS397126       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  SWRI-BLDR - Southwest Research 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       %
75630 AS397126      SWRI-BLDR - Southwest Research Institute, US       2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.169.225.0/24      4777 2516 7922 33652 397126   
  208.184.105.0/24     4777 2497 6461 397126   

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

AS397126   2 More Specifics   2 Total Advertisements   SWRI-BLDR - Southwest Research Institute, US
    50.169.225.0/24               50.128.0.0/9
    208.184.105.0/24              208.184.0.0/15

Whois Entry

whois: 402617

IANA has recorded AS397126 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397126\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:       397126
             ASName:         SWRI-BLDR
             ASHandle:       AS397126
             RegDate:        2022-08-31
             Updated:        2022-08-31
             Ref:            https://rdap.arin.net/registry/autnum/397126
             
             
             OrgName:        Southwest Research Institute
             OrgId:          SRI-5
             Address:        6220 Culebra Road, Dept. 32
             Address:        P.O. Drawer 28510
             City:           San Antonio
             StateProv:      TX
             PostalCode:     78228-0510
             Country:        US
             RegDate:        1988-01-04
             Updated:        2025-10-13
             Ref:            https://rdap.arin.net/registry/entity/SRI-5
             
             
             OrgDNSHandle: MBG5-ARIN
             OrgDNSName:   Gerard, Michael Brandon
             OrgDNSPhone:  +1-210-522-6629 
             OrgDNSEmail:  brandon.gerard@swri.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN
             
             OrgTechHandle: MBG5-ARIN
             OrgTechName:   Gerard, Michael Brandon
             OrgTechPhone:  +1-210-522-6629 
             OrgTechEmail:  brandon.gerard@swri.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN
             
             OrgAbuseHandle: HEBER124-ARIN
             OrgAbuseName:   Hebert, Todd 
             OrgAbusePhone:  +1-210-522-6591 
             OrgAbuseEmail:  todd.hebert@swri.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEBER124-ARIN
             
             OrgTechHandle: HEBER124-ARIN
             OrgTechName:   Hebert, Todd 
             OrgTechPhone:  +1-210-522-6591 
             OrgTechEmail:  todd.hebert@swri.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/HEBER124-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.
             #