ASN AS2552 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS2552?

AS2552 is listed under Washington 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.

AS2552 Washington University | IPGeolocation.io

ASN Lookup Tool

Washington University email.wustl.edu

US 5 Routes

AS Data

AS2552

AS2552 – Washington University

AS Number	2552
AS Name	WUSTL-ASN
Organization	Washington University(washin-z)
Country	US
Website	email.wustl.edu
Number of IPv4 Routes	3
Number of IPv6 Routes	2
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1993-03-16

ASN Intelligence API for production workflows

Use ASN data for AS2552 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
128.252.0.0/16	AS2552	Washington University	Washington University	65536
192.31.46.0/24	AS2552	Washington University	Washington University	256
2606:fd80::/32	AS2552	Washington University	St Louis Internet2 Access Consortium LLC	~79×10²⁷
2604:3e00::/32	AS2552	Washington University	Washington University	~79×10²⁷
65.254.96.0/19	AS2552	Washington University	St Louis Internet2 Access Consortium LLC	8192

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:       2552
ASName:         WUSTL-ASN
ASHandle:       AS2552
RegDate:        1993-03-16
Updated:        2012-04-02    
Ref:            https://rdap.arin.net/registry/autnum/2552


OrgName:        Washington University
OrgId:          WASHIN-Z
Address:        Network Technology Services
Address:        1 Brookings Drive, Campus Box 1048
City:           St. Louis
StateProv:      MO
PostalCode:     63130
Country:        US
RegDate:        2008-10-08
Updated:        2012-10-11
Ref:            https://rdap.arin.net/registry/entity/WASHIN-Z


OrgTechHandle: NOC12842-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-314-935-7048 
OrgTechEmail:  WashU_IT-SI_SOCCommandCenter@email.wustl.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12842-ARIN

OrgNOCHandle: NOC12842-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-314-935-7048 
OrgNOCEmail:  WashU_IT-SI_SOCCommandCenter@email.wustl.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12842-ARIN

OrgAbuseHandle: NOC12842-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-314-935-7048 
OrgAbuseEmail:  WashU_IT-SI_SOCCommandCenter@email.wustl.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12842-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
AS14907	Wikimedia Foundation Inc.	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS11537	Internet2	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

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