What is ASN AS397644?

ASN AS397644 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397644?

AS397644 is listed under University of Mary Washington.

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.

AS397644 University of Mary Washington

ASN Lookup Tool

University of Mary Washington umw.edu

US 11 Routes

AS Data

AS397644

AS397644 – University of Mary Washington

AS Number	397644
AS Name	UNIVERSITY-OF-MARY-WASHINGTON
Organization	University of Mary Washington(umw-6)
Country	US
Website	umw.edu
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2019-06-14

ASN Intelligence API for production workflows

Use ASN data for AS397644 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.111.136.0/24	AS397644	University of Mary Washington	Mary Washington College	256
199.111.64.0/20	AS397644	University of Mary Washington	Mary Washington College	4096
199.111.140.0/23	AS397644	University of Mary Washington	Mary Washington College	512
199.111.138.0/23	AS397644	University of Mary Washington	Mary Washington College	512
199.111.139.0/24	AS397644	University of Mary Washington	Mary Washington College	256
199.111.141.0/24	AS397644	University of Mary Washington	Mary Washington College	256
199.111.80.0/20	AS397644	University of Mary Washington	Mary Washington College	4096
199.111.140.0/24	AS397644	University of Mary Washington	Mary Washington College	256
199.111.64.0/19	AS397644	University of Mary Washington	Mary Washington College	8192
199.111.137.0/24	AS397644	University of Mary Washington	Mary Washington College	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:       397644
ASName:         UNIVERSITY-OF-MARY-WASHINGTON
ASHandle:       AS397644
RegDate:        2019-06-14
Updated:        2019-06-14    
Ref:            https://rdap.arin.net/registry/autnum/397644


OrgName:        University of Mary Washington
OrgId:          UMW-6
Address:        1301 College Ave.
City:           Fredericksburg
StateProv:      VA
PostalCode:     22401
Country:        US
RegDate:        2005-01-18
Updated:        2019-05-02
Ref:            https://rdap.arin.net/registry/entity/UMW-6


OrgAbuseHandle: ISERV1-ARIN
OrgAbuseName:   Iservices
OrgAbusePhone:  +1-540-654-1217 
OrgAbuseEmail:  iservices@umw.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISERV1-ARIN

OrgAbuseHandle: TECH1151-ARIN
OrgAbuseName:   Tech
OrgAbusePhone:  +1-540-654-1220 
OrgAbuseEmail:  sharring@umw.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECH1151-ARIN

OrgTechHandle: ISERV1-ARIN
OrgTechName:   Iservices
OrgTechPhone:  +1-540-654-1217 
OrgTechEmail:  iservices@umw.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/ISERV1-ARIN

OrgTechHandle: TECH1151-ARIN
OrgTechName:   Tech
OrgTechPhone:  +1-540-654-1220 
OrgTechEmail:  sharring@umw.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH1151-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
AS22773	Cox Communications Inc.	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US
AS22773	Cox Communications Inc.	US