
18723 SEAGATE-USA-CA-1, US
Adjacency: 7 Upstream: 7 Downstream: 0
Upstream Adjacent AS list
AS5580 GTT-ASIA, NL
AS9498 BBIL-AP BHARTI Airtel Ltd., IN
AS9255 CONNECTPLUS-AS Singapore Telecom, SG
AS45458 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-NIX, TH
AS2687 ATGS-MMD-AS, US
AS3257 GTT-BACKBONE GTT, US
AS3356 LEVEL3, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 11776 AS18723 ORIGIN Originate: 8192 /19.00 Transit: 0 /0.00 SEAGATE-USA-CA-1, 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 % 16086 AS18723 SEAGATE-USA-CA-1, US 22 4 2 20 2 9.09% Prefix AS Path Aggregation Suggestion 134.204.153.0/24 3257 18723 134.204.176.0/24 22652 1299 3758 9255 18723 134.204.177.0/24 3257 5580 18723 134.204.178.0/23 3257 18723 134.204.180.0/22 3257 18723 + Announce - aggregate of 134.204.180.0/23 (3257 18723) and 134.204.182.0/23 (3257 18723) 134.204.180.0/23 3257 18723 - Withdrawn - aggregated with 134.204.182.0/23 (3257 18723) 134.204.182.0/23 3257 18723 - Withdrawn - aggregated with 134.204.180.0/23 (3257 18723) 134.204.191.0/24 3257 18723 134.204.192.0/24 3257 18723 134.204.193.0/24 2914 9498 18723 134.204.194.0/24 6939 3356 18723 134.204.195.0/24 3257 18723 134.204.208.0/24 6939 4637 45430 45458 18723 134.204.218.0/24 3257 18723 134.204.220.0/23 3257 18723 134.204.222.0/24 3257 18723 134.204.224.0/23 7018 3356 18723 134.204.236.0/22 6939 3356 18723 + Announce - aggregate of 134.204.236.0/23 (6939 3356 18723) and 134.204.238.0/23 (6939 3356 18723) 134.204.236.0/23 6939 3356 18723 - Withdrawn - aggregated with 134.204.238.0/23 (6939 3356 18723) 134.204.238.0/23 6939 3356 18723 - Withdrawn - aggregated with 134.204.236.0/23 (6939 3356 18723) 192.55.2.0/23 3257 18723 192.55.14.0/24 6939 3356 18723 192.55.16.0/23 6939 3356 18723 192.55.18.0/23 2914 9002 45430 45458 18723
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18723 19 More Specifics 20 Total Advertisements SEAGATE-USA-CA-1, US
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
134.204.208.0/24 134.204.128.0/17
134.204.220.0/23 134.204.128.0/17
134.204.222.0/24 134.204.128.0/17
134.204.223.0/24 134.204.128.0/17
134.204.224.0/24 134.204.128.0/17
134.204.236.0/23 134.204.128.0/17
134.204.238.0/23 134.204.128.0/17
192.55.14.0/24 192.55.8.0/21
192.55.16.0/23 192.55.16.0/22
192.55.18.0/23 192.55.16.0/22
134.204.195.0/24 134.204.128.0/17
134.204.218.0/24 134.204.128.0/17
134.204.224.0/23 134.204.128.0/17
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 134.204.223.0/24 Announced
+ 134.204.224.0/24 Announced
+ 192.55.14.0/24 Announced
- 134.204.195.0/24 Withdrawn
- 134.204.218.0/24 Withdrawn
- 134.204.224.0/23 Withdrawn
whois: 402590
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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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
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
OrgDNSHandle: AMM290-ARIN
OrgDNSName: Mathews, Arun Mathews
OrgDNSPhone: +68077280
OrgDNSEmail: arun.m.mathews@seagate.com
OrgDNSRef: https://rdap.arin.net/registry/entity/AMM290-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: SUNXU1-ARIN
OrgTechName: Sun, Xuan
OrgTechPhone: +1-510-624-3823
OrgTechEmail: xuan.sun@seagate.com
OrgTechRef: https://rdap.arin.net/registry/entity/SUNXU1-ARIN
OrgTechHandle: BENSO145-ARIN
OrgTechName: Benson, Jonathan
OrgTechPhone: +442871275588
OrgTechEmail: jonathan.p.benson@seagate.com
OrgTechRef: https://rdap.arin.net/registry/entity/BENSO145-ARIN
OrgTechHandle: ADAIR48-ARIN
OrgTechName: Adair, Scott
OrgTechPhone: +1-303-550-4076
OrgTechEmail: scott.adair@seagate.com
OrgTechRef: 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
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
OrgDNSHandle: ADAIR48-ARIN
OrgDNSName: Adair, Scott
OrgDNSPhone: +1-303-550-4076
OrgDNSEmail: scott.adair@seagate.com
OrgDNSRef: https://rdap.arin.net/registry/entity/ADAIR48-ARIN
OrgRoutingHandle: ADAIR48-ARIN
OrgRoutingName: Adair, Scott
OrgRoutingPhone: +1-303-550-4076
OrgRoutingEmail: scott.adair@seagate.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ADAIR48-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
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
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
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# 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.
#