Report for 1746

Name

SIRSIDYNIXAS - SirsiDynix, 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.

1746 SIRSIDYNIXAS - SirsiDynix, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS13767         DATABANK-DFW - DataBank Holdings, Ltd., US
    AS15830         EQUINIX, NL
    AS29909         METROOPTIC - Metro Optic, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10401 AS1746         ORIGIN  Originate:       9472 /18.79  Transit:          0 /0.00  SIRSIDYNIXAS - SirsiDynix, 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       %
 5135 AS1746        SIRSIDYNIXAS - SirsiDynix, US                     18     12      3      9      9  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.150.149.0/24     4777 2497 3356 13767 1746   
  192.206.158.0/23     4777 2497 3356 13767 1746   
  192.206.161.0/24     4777 2497 3356 13767 1746   
  192.206.162.0/24     4777 2497 3356 13767 1746   
  206.187.24.0/21      4777 2516 3257 29909 1746 + Announce - aggregate of 206.187.24.0/22 (4777 2516 3257 29909 1746) and 206.187.28.0/22 (4777 2516 3257 29909 1746)
  206.187.24.0/22      4777 2516 3257 29909 1746 - Withdrawn - aggregated with 206.187.28.0/22 (4777 2516 3257 29909 1746)
  206.187.24.0/24      4777 2516 3257 29909 1746 - Withdrawn - matching aggregate 206.187.24.0/22 4777 2516 3257 29909 1746
  206.187.25.0/24      4777 2516 3257 29909 1746 - Withdrawn - matching aggregate 206.187.24.0/22 4777 2516 3257 29909 1746
  206.187.26.0/24      4777 2516 3257 29909 1746 - Withdrawn - matching aggregate 206.187.24.0/22 4777 2516 3257 29909 1746
  206.187.27.0/24      4777 2516 3257 29909 1746 - Withdrawn - matching aggregate 206.187.24.0/22 4777 2516 3257 29909 1746
  206.187.28.0/22      4777 2516 3257 29909 1746 - Withdrawn - aggregated with 206.187.24.0/22 (4777 2516 3257 29909 1746)
  206.187.32.0/21      4608 38195 15830 1746 + Announce - aggregate of 206.187.32.0/22 (4608 38195 15830 1746) and 206.187.36.0/22 (4608 38195 15830 1746)
  206.187.32.0/22      4608 38195 15830 1746 - Withdrawn - aggregated with 206.187.36.0/22 (4608 38195 15830 1746)
  206.187.36.0/22      4608 38195 15830 1746 - Withdrawn - aggregated with 206.187.32.0/22 (4608 38195 15830 1746)
  206.187.60.0/22      4777 2497 3356 13767 1746   
  206.187.80.0/22      4777 2497 3356 13767 1746 + Announce - aggregate of 206.187.80.0/23 (4777 2497 3356 13767 1746) and 206.187.82.0/23 (4777 2497 3356 13767 1746)
  206.187.80.0/24      4777 2497 3356 13767 1746 - Withdrawn - aggregated with 206.187.81.0/24 (4777 2497 3356 13767 1746)
  206.187.81.0/24      4777 2497 3356 13767 1746 - Withdrawn - aggregated with 206.187.80.0/24 (4777 2497 3356 13767 1746)
  206.187.82.0/24      4777 2497 3356 13767 1746 - Withdrawn - aggregated with 206.187.83.0/24 (4777 2497 3356 13767 1746)
  206.187.83.0/24      4777 2497 3356 13767 1746 - Withdrawn - aggregated with 206.187.82.0/24 (4777 2497 3356 13767 1746)
  206.187.88.0/22      4608 38195 15830 1746   

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

AS1746   14 More Specifics   18 Total Advertisements   SIRSIDYNIXAS - SirsiDynix, US
    206.187.24.0/22               206.187.0.0/16
    206.187.24.0/24               206.187.0.0/16
    206.187.25.0/24               206.187.0.0/16
    206.187.26.0/24               206.187.0.0/16
    206.187.27.0/24               206.187.0.0/16
    206.187.28.0/22               206.187.0.0/16
    206.187.32.0/22               206.187.0.0/16
    206.187.36.0/22               206.187.0.0/16
    206.187.60.0/22               206.187.0.0/16
    206.187.80.0/24               206.187.0.0/16
    206.187.81.0/24               206.187.0.0/16
    206.187.82.0/24               206.187.0.0/16
    206.187.83.0/24               206.187.0.0/16
    206.187.88.0/22               206.187.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS1746 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1746\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:       1746
             ASName:         SIRSIDYNIXAS
             ASHandle:       AS1746
             RegDate:        1992-02-19
             Updated:        2023-11-08
             Ref:            https://rdap.arin.net/registry/autnum/1746
             
             
             OrgName:        SirsiDynix
             OrgId:          SC-2233
             Address:        3300 N ASHTON BLVD STE 500
             City:           LEHI
             StateProv:      UT
             PostalCode:     84043
             Country:        US
             RegDate:        2017-01-06
             Updated:        2017-01-06
             Ref:            https://rdap.arin.net/registry/entity/SC-2233
             
             
             OrgNOCHandle: NOC1883-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-801-223-5200 
             OrgNOCEmail:  it@sirsidynix.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1883-ARIN
             
             OrgTechHandle: NOC1883-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-801-223-5200 
             OrgTechEmail:  it@sirsidynix.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1883-ARIN
             
             OrgAbuseHandle: NOC1883-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-801-223-5200 
             OrgAbuseEmail:  it@sirsidynix.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC1883-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.
             #