Report for 23351

Name

ANSYSNH - Ansys, Inc. - Lebanon NH, 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.

23351 ANSYSNH, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS17356         VERMONT-TELE, US
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
35667 AS23351        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  ANSYSNH, 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       %
36803 AS23351       ANSYSNH, US                                        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.10.84.0/22       6939 17356 23351       

Whois Entry

whois: 402590

IANA has recorded AS23351 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23351\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:       23351
             ASName:         ANSYSNH
             ASHandle:       AS23351
             RegDate:        2002-03-04
             Updated:        2026-04-14
             Ref:            https://rdap.arin.net/registry/autnum/23351
             
             
             OrgName:        Synopsys Inc.
             OrgId:          SYNOPS
             Address:        675 Almanor Ave
             City:           Sunnyvale
             StateProv:      CA
             PostalCode:     94085
             Country:        US
             RegDate:        1991-02-28
             Updated:        2025-10-22
             Ref:            https://rdap.arin.net/registry/entity/SYNOPS
             
             
             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
             
             OrgRoutingHandle: CHAND323-ARIN
             OrgRoutingName:   Chandrashekara, Rajashekara 
             OrgRoutingPhone:  +09742855547 
             OrgRoutingEmail:  rac@synopsys.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHAND323-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
             
             
             #
             # 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.
             #