Report for 21909

Name

TRC-ASN - Think Research Corporation, CA

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 AS4637) 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.

21909 LONGFIBRE - Longview Fibre Company

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS1239    SPRINTLINK - Sprint

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21163 AS21909  ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  LONGFIBRE - Longview Fibre Company

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       %
14063 AS21909 LONGFIBRE - Longview Fibre Company            1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  208.219.74.0/24      4637 3491 3561 1239 21909   

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

AS21909   1 More Specifics   1 Total Advertisements   LONGFIBRE - Longview Fibre Company
    208.219.74.0/24               208.192.0.0/10

Whois Entry

whois: 402603

IANA has recorded AS21909 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21909\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:       21909
             ASName:         TRC-ASN
             ASHandle:       AS21909
             RegDate:        2018-04-20
             Updated:        2018-04-20
             Ref:            https://rdap.arin.net/registry/autnum/21909
             
             
             OrgName:        Think Research Corporation
             OrgId:          TRC-84
             Address:        351 King St E #500
             City:           Toronto
             StateProv:      ON
             PostalCode:     M5A 0L6
             Country:        CA
             RegDate:        2016-07-28
             Updated:        2021-01-28
             Comment:        http://www.thinkresearch.com
             Ref:            https://rdap.arin.net/registry/entity/TRC-84
             
             
             OrgAbuseHandle: TECHN1454-ARIN
             OrgAbuseName:   Technical Operations
             OrgAbusePhone:  +1-877-302-1861 
             OrgAbuseEmail:  techops@thinkresearch.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHN1454-ARIN
             
             OrgAbuseHandle: MAYNA73-ARIN
             OrgAbuseName:   Maynard, Brett 
             OrgAbusePhone:  +1-877-302-1861 
             OrgAbuseEmail:  brett.maynard@thinkresearch.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAYNA73-ARIN
             
             OrgNOCHandle: TECHN1454-ARIN
             OrgNOCName:   Technical Operations
             OrgNOCPhone:  +1-877-302-1861 
             OrgNOCEmail:  techops@thinkresearch.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHN1454-ARIN
             
             OrgTechHandle: TECHN1454-ARIN
             OrgTechName:   Technical Operations
             OrgTechPhone:  +1-877-302-1861 
             OrgTechEmail:  techops@thinkresearch.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1454-ARIN
             
             OrgTechHandle: MAYNA73-ARIN
             OrgTechName:   Maynard, Brett 
             OrgTechPhone:  +1-877-302-1861 
             OrgTechEmail:  brett.maynard@thinkresearch.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MAYNA73-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.
             #