ASN Lookup Tool

University of Pennsylvania upenn.edu US US 2 Routes

AS Data

AS400653

AS400653 – University of Pennsylvania

AS Number 400653
AS Name UPENN-WHARTON-SF
Organization University of Pennsylvania(univer-8)
Country US
Website upenn.edu
Number of IPv4 Routes 1
Number of IPv6 Routes 1
ASN type EDUCATION
Registry ARIN
Date Allocated 2024-10-02

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Use ASN data for AS400653 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2607:f470:5000::/48 ~1×10²⁴
165.123.192.0/23 512

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:       400653
ASName:         UPENN-WHARTON-SF
ASHandle:       AS400653
RegDate:        2024-10-02
Updated:        2024-10-02    
Ref:            https://rdap.arin.net/registry/autnum/400653


OrgName:        University of Pennsylvania
OrgId:          UNIVER-8
Address:        3401 Walnut Street
Address:        Suite 221A
City:           Philadelphia
StateProv:      PA
PostalCode:     19104-6228
Country:        US
RegDate:        1983-10-31
Updated:        2022-08-03
Ref:            https://rdap.arin.net/registry/entity/UNIVER-8


OrgAbuseHandle: ISO-ARIN
OrgAbuseName:   Information Security Officer
OrgAbusePhone:  +1-215-898-2172 
OrgAbuseEmail:  security@upenn.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISO-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

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


#
# 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
AS1239 Cogent Communications, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS400653 is an Autonomous System Number used to identify a network for BGP internet routing.
AS400653 is listed under University of Pennsylvania.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.