View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	151.152.92.0/24	City of Hope Medical Center
	151.152.96.0/19	City of Hope Medical Center
	151.152.99.0/24	City of Hope Medical Center
	151.152.128.0/19	City of Hope Medical Center

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy inspiring_thompson Policy festive_mccarthy Policy jolly_ride Policy keen_hopper

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS20454	SECURED SERVERS LLC	✔	✘
	AS20001	Charter Communications Inc	✔	✘
	AS3356	Lumen (Level 3)	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS20001	Charter Communications Inc	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS20454	SECURED SERVERS LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘

ASHandle:       AS11687
OrgID:          CHMC-3
ASName:         CITY-OF-HOPE
ASNumber:       11687
RegDate:        1998-11-16
Updated:        2012-03-02
TechHandle:     ITSP-ARIN
AbuseHandle:    ITSP-ARIN
NOCHandle:      ITSP-ARIN
Source:         ARIN



OrgID:          CHMC-3
OrgName:        City of Hope Medical Center
CanAllocate:    
Street:         1500 E. Duarte Road
City:           Duarte
State/Prov:     CA
Country:        US
PostalCode:     91010
RegDate:        1991-07-30
Updated:        2007-07-13
OrgAdminHandle: ITSP-ARIN
OrgTechHandle:  ITSP-ARIN
OrgAbuseHandle: ITSP-ARIN
OrgNOCHandle:   ITSP-ARIN
Source:         ARIN





OrgAdminHandle:       ITSP-ARIN
OrgAdminName:          Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ITSP-ARIN
OrgTechName:           Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ITSP-ARIN
OrgAbuseName:          Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ITSP-ARIN
OrgNOCName:            Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           ITSP-ARIN
TechName:              Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ITSP-ARIN
AbuseName:             Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            ITSP-ARIN
NOCName:               Information Technology Services POC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:26:04Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19683
RADB	as-chtr-wd	19
RADB	as-calren2	288
RADB	as-18474	473
RADB	as-ccf	1492
RADB	as-chtr-bb	646
RADB	as-rr-biz	2081
RADB	as137409:as-na	485
RADB	as-hurricane	24736
LEVEL3	as-sprint-origins	7309
RADB	as-telstra-testing-1	11766
RADB	as-13986	474
LEVEL3	as-sprint-customers	1756
LEVEL3	as-lumen-customers-asns	10695
RADB	as-ccf-test	1461
RADB	as-telstra-intl-customers	11860
RADB	as-kddcustomer2	8206