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	Prefix	Description
	147.140.0.0/18	Thomas Jefferson University
	147.140.80.0/20	Thomas Jefferson University
	147.140.96.0/19	Thomas Jefferson University
	147.140.128.0/17	Thomas Jefferson University
	147.140.255.0/24	Thomas Jefferson University

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS33659	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS33659	Comcast Cable Communications, LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS22644
OrgID:          TJUH-1
ASName:         TJUH
ASNumber:       22644
RegDate:        2001-10-29
Updated:        2022-03-29
TechHandle:     ERNST4-ARIN
AbuseHandle:    ERNST4-ARIN
NOCHandle:      ERNST4-ARIN
Source:         ARIN



OrgID:          TJUH-1
OrgName:        Thomas Jefferson University Hospitals, Inc.
CanAllocate:    
Street:         833 Chestnut Street, Suite 600
Street:         Information Systems
City:           Philadelphia
State/Prov:     PA
Country:        US
PostalCode:     19107
RegDate:        2001-10-29
Updated:        2024-03-07
OrgAdminHandle: RUIZT9-ARIN
OrgTechHandle:  DWW11-ARIN
OrgTechHandle:  RUIZT9-ARIN
OrgTechHandle:  WOOTO8-ARIN
OrgAbuseHandle: ABUSE8441-ARIN
OrgNOCHandle:   NOC33462-ARIN
OrgRoutingHandle:   NOC33462-ARIN
OrgDNSHandle:   HOSTM2171-ARIN
Source:         ARIN





OrgAdminHandle:       RUIZT9-ARIN
OrgAdminName:         Thomas Ruiz
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DWW11-ARIN
OrgTechName:          David Weber
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RUIZT9-ARIN
OrgTechName:          Thomas Ruiz
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        WOOTO8-ARIN
OrgTechName:          Steven Wooton
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE8441-ARIN
OrgAbuseName:          Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC33462-ARIN
OrgNOCName:            NOC
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OrgRoutingHandle:     NOC33462-ARIN
OrgRoutingName:        NOC
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OrgDNSHandle:         HOSTM2171-ARIN
OrgDNSName:            Hostmaster
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           ERNST4-ARIN
TechName:             Matthew Ernst
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ERNST4-ARIN
AbuseName:            Matthew Ernst
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            ERNST4-ARIN
NOCName:              Matthew Ernst
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:26:32Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf	1492
ARIN	as-pennren	55
LEVEL3	as-level3-origins-na	0
LEVEL3	as-sprint-origins	7309
RADB	as-ccf-test	1461
ARIN	as-kinber	71
RADB	as-comcast-edia	2752
ARIN	as399855:as-cone	41