Report for 18723

Name

SEAGATE-USA-CA-1 - Seagate Technology LLC, 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.

18723 SEAGATE-USA-CA-1 - Seagate Technology LLC, US

  Adjacency:     7  Upstream:     7  Downstream:     0
  Upstream Adjacent AS list
    AS9498          BBIL-AP BHARTI Airtel Ltd., IN
    AS9255          CONNECTPLUS-AS Singapore Telecom, SG
    AS2687          ATGS-MMD-AS - AT&T Enterprises, LLC, US
    AS5580          GTT-ASIA, NL
    AS45458         SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-NIX, TH
    AS3257          GTT-BACKBONE GTT, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12287 AS18723        ORIGIN  Originate:       7936 /19.05  Transit:          0 /0.00  SEAGATE-USA-CA-1 - Seagate Technology LLC, 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       %
21465 AS18723       SEAGATE-USA-CA-1 - Seagate Technology LLC, US     21      2      1     20      1   4.76%


  Prefix               AS Path                              Aggregation Suggestion
  134.204.153.0/24     4777 2497 3257 18723   
  134.204.176.0/24     4777 2497 1299 3758 9255 18723   
  134.204.177.0/24     4777 2516 3356 18723   
  134.204.178.0/23     4777 2497 3257 18723   
  134.204.180.0/23     4777 2516 3257 18723   
  134.204.182.0/23     4777 2516 3356 18723   
  134.204.191.0/24     4777 2516 3356 18723   
  134.204.192.0/24     4777 2497 3356 18723   
  134.204.193.0/24     4608 9498 18723        
  134.204.194.0/24     4777 2516 3356 18723   
  134.204.195.0/24     4777 2497 3491 5580 18723   
  134.204.208.0/24     4608 24115 9002 45430 45458 18723   
  134.204.218.0/24     4777 2497 3356 18723   
  134.204.220.0/23     4777 2497 3356 18723   
  134.204.222.0/24     4777 2497 3356 18723   
  134.204.224.0/23     4777 2516 3356 18723   
  134.204.236.0/22     4777 2516 3356 18723 + Announce - aggregate of 134.204.236.0/23 (4777 2516 3356 18723) and 134.204.238.0/23 (4777 2516 3356 18723)
  134.204.236.0/23     4777 2516 3356 18723 - Withdrawn - aggregated with 134.204.238.0/23 (4777 2516 3356 18723)
  134.204.238.0/23     4777 2516 3356 18723 - Withdrawn - aggregated with 134.204.236.0/23 (4777 2516 3356 18723)
  192.55.2.0/23        4777 2497 3356 18723   
  192.55.16.0/23       4777 2516 3356 18723   
  192.55.18.0/23       4608 24115 9002 45430 45458 18723   

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

AS18723   20 More Specifics   21 Total Advertisements   SEAGATE-USA-CA-1 - Seagate Technology LLC, US
    134.204.153.0/24              134.204.128.0/17
    134.204.176.0/24              134.204.128.0/17
    134.204.177.0/24              134.204.128.0/17
    134.204.178.0/23              134.204.128.0/17
    134.204.180.0/23              134.204.128.0/17
    134.204.182.0/23              134.204.128.0/17
    134.204.191.0/24              134.204.128.0/17
    134.204.192.0/24              134.204.128.0/17
    134.204.193.0/24              134.204.128.0/17
    134.204.194.0/24              134.204.128.0/17
    134.204.195.0/24              134.204.128.0/17
    134.204.208.0/24              134.204.128.0/17
    134.204.218.0/24              134.204.128.0/17
    134.204.220.0/23              134.204.128.0/17
    134.204.222.0/24              134.204.128.0/17
    134.204.224.0/23              134.204.128.0/17
    134.204.236.0/23              134.204.128.0/17
    134.204.238.0/23              134.204.128.0/17
    192.55.16.0/23                192.55.16.0/22
    192.55.18.0/23                192.55.16.0/22

Whois Entry

whois: 402332

IANA has recorded AS18723 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18723\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:       18723
             ASName:         SEAGATE-USA-CA-1
             ASHandle:       AS18723
             RegDate:        2000-10-03
             Updated:        2016-06-23
             Ref:            https://rdap.arin.net/registry/autnum/18723
             
             
             OrgName:        Seagate Technology LLC
             OrgId:          SEAGAT-35
             Address:        47488 Kato Rd.
             City:           Fremont
             StateProv:      CA
             PostalCode:     94538
             Country:        US
             RegDate:        2000-10-03
             Updated:        2026-03-25
             Comment:        Seagate Technology
             Comment:        https://www.seagate.com
             Ref:            https://rdap.arin.net/registry/entity/SEAGAT-35
             
             
             OrgRoutingHandle: ADAIR48-ARIN
             OrgRoutingName:   Adair, Scott 
             OrgRoutingPhone:  +1-720-684-2771 
             OrgRoutingEmail:  scott.adair@seagate.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ADAIR48-ARIN
             
             OrgDNSHandle: ADAIR48-ARIN
             OrgDNSName:   Adair, Scott 
             OrgDNSPhone:  +1-720-684-2771 
             OrgDNSEmail:  scott.adair@seagate.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ADAIR48-ARIN
             
             OrgTechHandle: HAGAN62-ARIN
             OrgTechName:   Hagan, Noel 
             OrgTechPhone:  +442871141212 
             OrgTechEmail:  noel.j.hagan@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HAGAN62-ARIN
             
             OrgTechHandle: BENSO145-ARIN
             OrgTechName:   Benson, Jonathan 
             OrgTechPhone:  +353879814790 
             OrgTechEmail:  jonathan.p.benson@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BENSO145-ARIN
             
             OrgTechHandle: ADAIR48-ARIN
             OrgTechName:   Adair, Scott 
             OrgTechPhone:  +1-720-684-2771 
             OrgTechEmail:  scott.adair@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADAIR48-ARIN
             
             OrgDNSHandle: AMM290-ARIN
             OrgDNSName:   Mathews, Arun Mathews
             OrgDNSPhone:  +68077280 
             OrgDNSEmail:  arun.m.mathews@seagate.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/AMM290-ARIN
             
             OrgNOCHandle: GNOA-ARIN
             OrgNOCName:   Global Network Operations Administrator
             OrgNOCPhone:  +1-510-661-1000 
             OrgNOCEmail:  arin.admin@seagate.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/GNOA-ARIN
             
             OrgTechHandle: SUNXU1-ARIN
             OrgTechName:   Sun, Xuan 
             OrgTechPhone:  +1-408-368-7784 
             OrgTechEmail:  xuan.sun@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SUNXU1-ARIN
             
             OrgTechHandle: KSM116-ARIN
             OrgTechName:   Kyaw, Soe Moe 
             OrgTechPhone:  +65 60181718 
             OrgTechEmail:  soemoe.kyaw@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/KSM116-ARIN
             
             OrgTechHandle: GNOA-ARIN
             OrgTechName:   Global Network Operations Administrator
             OrgTechPhone:  +1-510-661-1000 
             OrgTechEmail:  arin.admin@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GNOA-ARIN
             
             OrgAbuseHandle: GNOA-ARIN
             OrgAbuseName:   Global Network Operations Administrator
             OrgAbusePhone:  +1-510-661-1000 
             OrgAbuseEmail:  arin.admin@seagate.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GNOA-ARIN
             
             OrgTechHandle: AMM290-ARIN
             OrgTechName:   Mathews, Arun Mathews
             OrgTechPhone:  +68077280 
             OrgTechEmail:  arun.m.mathews@seagate.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/AMM290-ARIN
             
             RTechHandle: GNOA-ARIN
             RTechName:   Global Network Operations Administrator
             RTechPhone:  +1-510-661-1000 
             RTechEmail:  arin.admin@seagate.com
             RTechRef:    https://rdap.arin.net/registry/entity/GNOA-ARIN
             
             RAbuseHandle: GNOA-ARIN
             RAbuseName:   Global Network Operations Administrator
             RAbusePhone:  +1-510-661-1000 
             RAbuseEmail:  arin.admin@seagate.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/GNOA-ARIN
             
             RNOCHandle: GNOA-ARIN
             RNOCName:   Global Network Operations Administrator
             RNOCPhone:  +1-510-661-1000 
             RNOCEmail:  arin.admin@seagate.com
             RNOCRef:    https://rdap.arin.net/registry/entity/GNOA-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.
             #