ASN AS15243 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15243?

AS15243 is listed under Widener University.

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.

AS15243 Widener University | IPGeolocation.io

ASN Lookup Tool

Widener University widener.edu

US 4 Routes

AS Data

AS15243

AS15243 – Widener University

AS Number	15243
AS Name	WIDENER
Organization	Widener University(widene)
Country	US
Website	widener.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2000-04-06

ASN Intelligence API for production workflows

Use ASN data for AS15243 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
147.31.0.0/18	AS15243	Widener University	Widener University	16384
147.31.128.0/18	AS15243	Widener University	Widener University	16384
147.31.64.0/18	AS15243	Widener University	Widener University	16384
192.55.239.0/24	AS15243	Widener University	Widener University	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:       15243
ASName:         WIDENER
ASHandle:       AS15243
RegDate:        2000-04-06
Updated:        2022-03-01    
Ref:            https://rdap.arin.net/registry/autnum/15243


OrgName:        Widener University
OrgId:          WIDENE
Address:        One University Place
City:           Chester
StateProv:      PA
PostalCode:     19013
Country:        US
RegDate:        1989-09-08
Updated:        2022-03-01
Ref:            https://rdap.arin.net/registry/entity/WIDENE


OrgAbuseHandle: JANUS19-ARIN
OrgAbuseName:   Januszka, Andrew 
OrgAbusePhone:  +1-610-499-1352 
OrgAbuseEmail:  asjanuszka@widener.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JANUS19-ARIN

OrgTechHandle: JANUS19-ARIN
OrgTechName:   Januszka, Andrew 
OrgTechPhone:  +1-610-499-1352 
OrgTechEmail:  asjanuszka@widener.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/JANUS19-ARIN

OrgNOCHandle: JANUS19-ARIN
OrgNOCName:   Januszka, Andrew 
OrgNOCPhone:  +1-610-499-1352 
OrgNOCEmail:  asjanuszka@widener.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/JANUS19-ARIN

RAbuseHandle: JANUS19-ARIN
RAbuseName:   Januszka, Andrew 
RAbusePhone:  +1-610-499-1352 
RAbuseEmail:  asjanuszka@widener.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/JANUS19-ARIN

RNOCHandle: JANUS19-ARIN
RNOCName:   Januszka, Andrew 
RNOCPhone:  +1-610-499-1352 
RNOCEmail:  asjanuszka@widener.edu
RNOCRef:    https://rdap.arin.net/registry/entity/JANUS19-ARIN

RTechHandle: JANUS19-ARIN
RTechName:   Januszka, Andrew 
RTechPhone:  +1-610-499-1352 
RTechEmail:  asjanuszka@widener.edu
RTechRef:    https://rdap.arin.net/registry/entity/JANUS19-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
AS33287	Comcast Cable Communications, LLC	US
AS33659	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33287	Comcast Cable Communications, LLC	US
AS33659	Comcast Cable Communications, LLC	US