
12122 STJHS - St. Joseph Health System, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19121 AS12122 ORIGIN Originate: 3328 /20.30 Transit: 0 /0.00 STJHS - St. Joseph Health System, 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 % 12282 AS12122 STJHS - St. Joseph Health System, US 11 6 3 8 3 27.27% Prefix AS Path Aggregation Suggestion 156.72.6.0/23 4777 2516 3356 12122 + Announce - aggregate of 156.72.6.0/24 (4777 2516 3356 12122) and 156.72.7.0/24 (4777 2516 3356 12122) 156.72.6.0/24 4777 2516 3356 12122 - Withdrawn - aggregated with 156.72.7.0/24 (4777 2516 3356 12122) 156.72.7.0/24 4777 2516 3356 12122 - Withdrawn - aggregated with 156.72.6.0/24 (4777 2516 3356 12122) 156.72.30.0/23 4777 32787 12122 156.72.60.0/23 4777 2516 3356 12122 + Announce - aggregate of 156.72.60.0/24 (4777 2516 3356 12122) and 156.72.61.0/24 (4777 2516 3356 12122) 156.72.60.0/24 4777 2516 3356 12122 - Withdrawn - aggregated with 156.72.61.0/24 (4777 2516 3356 12122) 156.72.61.0/24 4777 2516 3356 12122 - Withdrawn - aggregated with 156.72.60.0/24 (4777 2516 3356 12122) 156.72.150.0/24 4777 2516 3356 12122 156.72.153.0/24 4777 32787 12122 156.72.155.0/24 4777 2497 3356 12122 156.72.160.0/23 4777 32787 12122 170.173.84.0/23 4777 2497 3356 12122 + Announce - aggregate of 170.173.84.0/24 (4777 2497 3356 12122) and 170.173.85.0/24 (4777 2497 3356 12122) 170.173.84.0/24 4777 2497 3356 12122 - Withdrawn - aggregated with 170.173.85.0/24 (4777 2497 3356 12122) 170.173.85.0/24 4777 2497 3356 12122 - Withdrawn - aggregated with 170.173.84.0/24 (4777 2497 3356 12122)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12122 11 More Specifics 11 Total Advertisements STJHS - St. Joseph Health System, US
156.72.6.0/24 156.72.0.0/16
156.72.7.0/24 156.72.0.0/16
156.72.30.0/23 156.72.0.0/16
156.72.60.0/24 156.72.0.0/16
156.72.61.0/24 156.72.0.0/16
156.72.150.0/24 156.72.0.0/16
156.72.153.0/24 156.72.0.0/16
156.72.155.0/24 156.72.0.0/16
156.72.160.0/23 156.72.0.0/16
170.173.84.0/24 170.173.0.0/16
170.173.85.0/24 170.173.0.0/16
whois: 402332
IANA has recorded AS12122 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12122\n
#
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ASNumber: 12122
ASName: STJHS
ASHandle: AS12122
RegDate: 2021-02-18
Updated: 2021-02-22
Ref: https://rdap.arin.net/registry/autnum/12122
OrgName: St. Joseph Health System
OrgId: STJOS-7
Address: 3345 Michelson Dr #100
City: Irvine
StateProv: CA
PostalCode: 92612
Country: US
RegDate: 2009-08-27
Updated: 2025-03-24
Ref: https://rdap.arin.net/registry/entity/STJOS-7
OrgTechHandle: ACKER103-ARIN
OrgTechName: Acker, Kris
OrgTechPhone: +1-509-240-1111
OrgTechEmail: kris@dcstech.us
OrgTechRef: https://rdap.arin.net/registry/entity/ACKER103-ARIN
OrgTechHandle: HAGEN99-ARIN
OrgTechName: Hagen, Charlie
OrgTechPhone: +1-425-895-5250
OrgTechEmail: charlie.hagen@providence.org
OrgTechRef: https://rdap.arin.net/registry/entity/HAGEN99-ARIN
OrgTechHandle: CMM27-ARIN
OrgTechName: McCutcheon, Conor M
OrgTechPhone: +1-907-519-0692
OrgTechEmail: conor.mccutcheon@providence.org
OrgTechRef: https://rdap.arin.net/registry/entity/CMM27-ARIN
OrgTechHandle: NSS11-ARIN
OrgTechName: Network Services and Support
OrgTechPhone: +1-503-902-9068
OrgTechEmail: noc@stjoe.org
OrgTechRef: https://rdap.arin.net/registry/entity/NSS11-ARIN
OrgAbuseHandle: NSS11-ARIN
OrgAbuseName: Network Services and Support
OrgAbusePhone: +1-503-902-9068
OrgAbuseEmail: noc@stjoe.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/NSS11-ARIN
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# 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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