11687 CITY-OF-HOPE - City of Hope Medical Center, US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS46887 CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
AS20454 SSASN2 - SECURED SERVERS LLC, US
AS20001 TWC-20001-PACWEST - Charter Communications Inc, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7616 AS11687 ORIGIN Originate: 16896 /17.96 Transit: 0 /0.00 CITY-OF-HOPE - City of Hope Medical Center, 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 % 32945 AS11687 CITY-OF-HOPE - City of Hope Medical Center, U 4 0 0 4 0 0.00% Prefix AS Path Aggregation Suggestion 151.152.92.0/24 4777 137409 12189 20454 11687 151.152.96.0/19 4777 2516 7843 20001 11687 151.152.99.0/24 4777 6939 20115 20001 11687 11687 151.152.128.0/19 4777 2516 7843 20001 11687
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11687 4 More Specifics 4 Total Advertisements CITY-OF-HOPE - City of Hope Medical Center, US
151.152.92.0/24 151.152.0.0/16
151.152.96.0/19 151.152.0.0/16
151.152.99.0/24 151.152.0.0/16
151.152.128.0/19 151.152.0.0/16
whois: 402332
IANA has recorded AS11687 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11687\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 11687
ASName: CITY-OF-HOPE
ASHandle: AS11687
RegDate: 1998-11-16
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/11687
OrgName: City of Hope Medical Center
OrgId: CHMC-3
Address: 1500 E. Duarte Road
City: Duarte
StateProv: CA
PostalCode: 91010
Country: US
RegDate: 1991-07-30
Updated: 2007-07-13
Ref: https://rdap.arin.net/registry/entity/CHMC-3
OrgTechHandle: ITSP-ARIN
OrgTechName: Information Technology Services POC
OrgTechPhone: +1-626-256-4673
OrgTechEmail: ARIN-POC@coh.org
OrgTechRef: https://rdap.arin.net/registry/entity/ITSP-ARIN
OrgAbuseHandle: ITSP-ARIN
OrgAbuseName: Information Technology Services POC
OrgAbusePhone: +1-626-256-4673
OrgAbuseEmail: ARIN-POC@coh.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/ITSP-ARIN
OrgNOCHandle: ITSP-ARIN
OrgNOCName: Information Technology Services POC
OrgNOCPhone: +1-626-256-4673
OrgNOCEmail: ARIN-POC@coh.org
OrgNOCRef: https://rdap.arin.net/registry/entity/ITSP-ARIN
RNOCHandle: ITSP-ARIN
RNOCName: Information Technology Services POC
RNOCPhone: +1-626-256-4673
RNOCEmail: ARIN-POC@coh.org
RNOCRef: https://rdap.arin.net/registry/entity/ITSP-ARIN
RAbuseHandle: ITSP-ARIN
RAbuseName: Information Technology Services POC
RAbusePhone: +1-626-256-4673
RAbuseEmail: ARIN-POC@coh.org
RAbuseRef: https://rdap.arin.net/registry/entity/ITSP-ARIN
RTechHandle: ITSP-ARIN
RTechName: Information Technology Services POC
RTechPhone: +1-626-256-4673
RTechEmail: ARIN-POC@coh.org
RTechRef: https://rdap.arin.net/registry/entity/ITSP-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.
#