ASN Lookup Tool

AS55
University of Pennsylvania US US 6 Routes

AS55University of Pennsylvania

AS Number 55
AS Name UPENN
Organization University of Pennsylvania(univer-8-z)
Country US
Website upenn.edu
Number of IPv4 Routes 5
Number of IPv6 Routes 1
ASN type EDUCATION
Allocation Status
Registry ARIN
Date Allocated N/A

IP Ranges

Route # IPs
192.84.2.0/24 256
2607:f470::/32 ~79×10²⁷
158.130.0.0/16 65536
128.91.0.0/16 65536
130.91.0.0/16 65536
165.123.0.0/16 65536

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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       55
ASName:         UPENN
ASHandle:       AS55
RegDate:        1985-12-18
Updated:        2021-10-14
Comment:        https://www.upenn.edu/
Comment:        Main AS number for PennNet of the University of Pennsylvania    
Ref:            https://rdap.arin.net/registry/autnum/55


OrgName:        University of Pennsylvania
OrgId:          UNIVER-8-Z
Address:        3401 Walnut Street
Address:        Suite 221A
City:           Philadelphia
StateProv:      PA
PostalCode:     19104-6228
Country:        US
RegDate:        2010-01-05
Updated:        2022-08-03
Ref:            https://rdap.arin.net/registry/entity/UNIVER-8-Z


OrgAbuseHandle: ISO-ARIN
OrgAbuseName:   Information Security Officer
OrgAbusePhone:  +1-215-573-2037 
OrgAbuseEmail:  security@upenn.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISO-ARIN

OrgTechHandle: OBRIE72-ARIN
OrgTechName:   O'Brien, John 
OrgTechPhone:  +1-215-898-9818 
OrgTechEmail:  obrienjw@upenn.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/OBRIE72-ARIN

OrgNOCHandle: UNIVE-ARIN
OrgNOCName:   University of Pennsylvania
OrgNOCPhone:  +1-215-573-9631 
OrgNOCEmail:  noc@isc.upenn.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UNIVE-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 1997-2025, American Registry for Internet Numbers, Ltd.
#
            

Parsed Whois Response

Peers

AS Number Description Country
AS69 University of Pennsylvania US
AS11537 Internet2 US
AS11164 Internet2 US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS46274 Penn Medicine US

Upstreams

AS Number Description Country
AS11537 Internet2 US
AS11164 Internet2 US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

Downstreams

AS Number Description Country
AS69 University of Pennsylvania US
AS46274 Penn Medicine US

Contacts

Email Contacts

Abuse Contacts

Legacy Routes

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