ASN AS33275 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33275?

AS33275 is listed under Thomas Jefferson University Hospitals, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS33275 Thomas Jefferson University Hospitals, Inc.

ASN Lookup Tool

Thomas Jefferson University Hospitals, Inc. jefferson.edu

US 1 Routes

AS Data

AS33275

AS33275 – Thomas Jefferson University Hospitals, Inc.

AS Number	33275
AS Name	KHS-ASN
Organization	Thomas Jefferson University Hospitals, Inc.(tjuh-1)
Country	US
Website	jefferson.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2004-11-11

ASN Intelligence API for production workflows

Use ASN data for AS33275 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.251.242.0/24	AS33275	Thomas Jefferson University Hospitals, Inc.	Thomas Jefferson University Hospitals, Inc.	256

Raw Whois Response

#
# 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.
#


ASNumber:       33275
ASName:         KHS-ASN
ASHandle:       AS33275
RegDate:        2004-11-11
Updated:        2024-03-04    
Ref:            https://rdap.arin.net/registry/autnum/33275


OrgName:        Thomas Jefferson University Hospitals, Inc.
OrgId:          TJUH-1
Address:        833 Chestnut Street, Suite 600
Address:        Information Systems
City:           Philadelphia
StateProv:      PA
PostalCode:     19107
Country:        US
RegDate:        2001-10-29
Updated:        2024-03-07
Ref:            https://rdap.arin.net/registry/entity/TJUH-1


OrgNOCHandle: NOC33462-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-215-955-7975 
OrgNOCEmail:  noc@jefferson.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33462-ARIN

OrgTechHandle: DWW11-ARIN
OrgTechName:   Weber, David William
OrgTechPhone:  +1-215-955-3603 
OrgTechEmail:  david.weber@jefferson.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DWW11-ARIN

OrgRoutingHandle: NOC33462-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-215-955-7975 
OrgRoutingEmail:  noc@jefferson.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC33462-ARIN

OrgAbuseHandle: ABUSE8441-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-215-955-7975 
OrgAbuseEmail:  abuse@jefferson.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8441-ARIN

OrgTechHandle: RUIZT9-ARIN
OrgTechName:   Ruiz, Thomas 
OrgTechPhone:  +1-267-226-1814 
OrgTechEmail:  thomas.ruiz@jefferson.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/RUIZT9-ARIN

OrgTechHandle: WOOTO8-ARIN
OrgTechName:   Wooton, Steven 
OrgTechPhone:  +1-856-816-5241 
OrgTechEmail:  steven.wooton@jefferson.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/WOOTO8-ARIN

OrgDNSHandle: HOSTM2171-ARIN
OrgDNSName:   Hostmaster
OrgDNSPhone:  +1-215-955-7975 
OrgDNSEmail:  hostmaster@jefferson.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/HOSTM2171-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.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Contacts

Email Contacts

steven.wooton@jefferson.edu noc@jefferson.edu thomas.ruiz@jefferson.edu david.weber@jefferson.edu

Abuse Contacts

abuse@jefferson.edu