Report for 25966

Name

COHERENT - Coherent 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 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.

25966 COHERENT - Coherent Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS19893         NTT-GLOBAL-DATA-CENTERS-AMERICA-INC - NTT Global Data Centers Americas, INC., US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44664 AS25966        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  COHERENT - Coherent Inc., 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       %
21930 AS25966       COHERENT - Coherent Inc., US                       3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  198.212.208.0/23     4777 2516 701 25966  + Announce - aggregate of 198.212.208.0/24 (4777 2516 701 25966) and 198.212.209.0/24 (4777 2516 701 25966)
  198.212.208.0/24     4777 2516 701 25966  - Withdrawn - aggregated with 198.212.209.0/24 (4777 2516 701 25966)
  198.212.209.0/24     4777 2516 701 25966  - Withdrawn - aggregated with 198.212.208.0/24 (4777 2516 701 25966)
  198.212.210.0/24     4777 2516 3356 19893 25966   

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

AS25966   3 More Specifics   3 Total Advertisements   COHERENT - Coherent Inc., US
    198.212.208.0/24              198.212.208.0/22
    198.212.209.0/24              198.212.208.0/22
    198.212.210.0/24              198.212.208.0/22

Whois Entry

whois: 402332

IANA has recorded AS25966 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25966\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:       25966
             ASName:         COHERENT
             ASHandle:       AS25966
             RegDate:        2005-07-06
             Updated:        2021-05-20
             Ref:            https://rdap.arin.net/registry/autnum/25966
             
             
             OrgName:        Coherent Inc.
             OrgId:          COHERE
             Address:        5100 Patrick Henry Drive
             City:           Santa Clara
             StateProv:      CA
             PostalCode:     94054
             Country:        US
             RegDate:        1994-06-14
             Updated:        2024-11-11
             Ref:            https://rdap.arin.net/registry/entity/COHERE
             
             
             OrgAbuseHandle: KTR50-ARIN
             OrgAbuseName:   tran, khoa 
             OrgAbusePhone:  +1-408-306-2355 
             OrgAbuseEmail:  khoa.tran@coherent.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KTR50-ARIN
             
             OrgTechHandle: HOANG64-ARIN
             OrgTechName:   Hoang, Tony 
             OrgTechPhone:  +1-408-764-4360 
             OrgTechEmail:  tony.hoang@coherent.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOANG64-ARIN
             
             OrgTechHandle: DANGT4-ARIN
             OrgTechName:   Dang, Tung 
             OrgTechPhone:  +1-408-507-9958 
             OrgTechEmail:  tung.dang@coherent.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DANGT4-ARIN
             
             OrgAbuseHandle: DANGT4-ARIN
             OrgAbuseName:   Dang, Tung 
             OrgAbusePhone:  +1-408-507-9958 
             OrgAbuseEmail:  tung.dang@coherent.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DANGT4-ARIN
             
             OrgTechHandle: SANCH770-ARIN
             OrgTechName:   Sanchez, Jaime 
             OrgTechPhone:  +1-408-764-4533 
             OrgTechEmail:  jaime.sanchez@coherent.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SANCH770-ARIN
             
             RTechHandle: KTR50-ARIN
             RTechName:   tran, khoa 
             RTechPhone:  +1-408-306-2355 
             RTechEmail:  khoa.tran@coherent.com
             RTechRef:    https://rdap.arin.net/registry/entity/KTR50-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.
             #