Report for 7809

Name

SYNOPSYS - Synopsys Inc., 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 AS6447) 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.

7809 SYNOPSYS, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS8220          COLT COLT Technology Services Group Limited, GB
    AS43733         VIVA-ARMENIA, AM
    AS8932          UCOMINT, AM
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19150 AS7809         ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  SYNOPSYS, 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       %
15730 AS7809        SYNOPSYS, US                                       9      4      2      7      2  22.22%


  Prefix               AS Path                              Aggregation Suggestion
  149.117.1.0/24       57866 3356 7809        
  149.117.132.0/22     6939 8220 7809         
  149.117.132.0/23     6939 3356 7809       + Announce - aggregate of 149.117.132.0/24 (6939 3356 7809) and 149.117.133.0/24 (6939 3356 7809)
  149.117.132.0/24     6939 3356 7809       - Withdrawn - aggregated with 149.117.133.0/24 (6939 3356 7809)
  149.117.133.0/24     6939 3356 7809       - Withdrawn - aggregated with 149.117.132.0/24 (6939 3356 7809)
  149.117.134.0/24     6939 3356 7809         
  149.117.136.0/23     6939 43733 7809        
  149.117.136.0/23     6939 8932 7809       + Announce - aggregate of 149.117.136.0/24 (6939 8932 7809) and 149.117.137.0/24 (6939 8932 7809)
  149.117.136.0/24     6939 8932 7809       - Withdrawn - aggregated with 149.117.137.0/24 (6939 8932 7809)
  149.117.137.0/24     6939 8932 7809       - Withdrawn - aggregated with 149.117.136.0/24 (6939 8932 7809)
  149.117.147.0/24     6939 3356 7809         

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

AS7809   6 More Specifics   6 Total Advertisements   SYNOPSYS, US
    149.117.131.0/24              149.117.0.0/16
    198.182.36.0/22               198.182.32.0/19
    198.182.36.0/24               198.182.32.0/19
    198.182.37.0/24               198.182.32.0/19
    198.182.38.0/24               198.182.32.0/19
    198.182.39.0/24               198.182.32.0/19

Whois Entry

whois: 402590

IANA has recorded AS7809 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS7809\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:       7809
             ASName:         SYNOPSYS
             ASHandle:       AS7809
             RegDate:        1997-01-17
             Updated:        2012-04-02
             Ref:            https://rdap.arin.net/registry/autnum/7809
             
             
             OrgName:        Synopsys Inc.
             OrgId:          SYNOPS-Z
             Address:        675 Almanor Ave
             City:           Sunnyvale
             StateProv:      CA
             PostalCode:     94085
             Country:        US
             RegDate:        2008-04-23
             Updated:        2024-02-15
             Ref:            https://rdap.arin.net/registry/entity/SYNOPS-Z
             
             
             OrgAbuseHandle: NETWO2400-ARIN
             OrgAbuseName:   NETWORK-TEAM
             OrgAbusePhone:  +1-650-584-4260 
             OrgAbuseEmail:  network-core@synopsys.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2400-ARIN
             
             OrgTechHandle: NETWO2400-ARIN
             OrgTechName:   NETWORK-TEAM
             OrgTechPhone:  +1-650-584-4260 
             OrgTechEmail:  network-core@synopsys.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2400-ARIN
             
             RTechHandle: LT51-ORG-ARIN
             RTechName:   Lilley, Ted
             RTechPhone:  +1-415-528-4887 
             RTechEmail:  ted@synopsys.com
             RTechRef:    https://rdap.arin.net/registry/entity/LT51-ORG-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.
             #