ASN Lookup Tool

Virginia Mason Medical Center vmmc.org US US 3 Routes

AS Data

AS25845

AS25845Virginia Mason Medical Center

AS Number 25845
AS Name VIRGINIA-MASON
Organization Virginia Mason Medical Center(vmmc)
Country US
Website vmmc.org
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2002-05-17

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Use ASN data for AS25845 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
204.147.220.0/22 1024
192.152.45.0/24 256
204.147.208.0/20 4096

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:       25845
ASName:         VIRGINIA-MASON
ASHandle:       AS25845
RegDate:        2002-05-17
Updated:        2020-10-07    
Ref:            https://rdap.arin.net/registry/autnum/25845


OrgName:        Virginia Mason Medical Center
OrgId:          VMMC
Address:        1100 Olive Way, Suite 750
City:           Seattle
StateProv:      WA
PostalCode:     98101
Country:        US
RegDate:        1992-04-03
Updated:        2025-09-19
Ref:            https://rdap.arin.net/registry/entity/VMMC


OrgTechHandle: NETWO6568-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-206-515-5855 
OrgTechEmail:  vmnse@vmmc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6568-ARIN

OrgAbuseHandle: NETWO6568-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-206-515-5855 
OrgAbuseEmail:  vmnse@vmmc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6568-ARIN

OrgNOCHandle: NETWO6568-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-206-515-5855 
OrgNOCEmail:  vmnse@vmmc.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO6568-ARIN

OrgAbuseHandle: CNA91-ARIN
OrgAbuseName:   CommonSpirit Network Abuse
OrgAbusePhone:  +1-888-307-0222 
OrgAbuseEmail:  network-abuse@commonspirit.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CNA91-ARIN

RTechHandle: NETWO6568-ARIN
RTechName:   Network Operations
RTechPhone:  +1-206-515-5855 
RTechEmail:  vmnse@vmmc.org
RTechRef:    https://rdap.arin.net/registry/entity/NETWO6568-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
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3356 Level 3 Parent, LLC US

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US

Contacts

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Frequently Asked Questions

ASN AS25845 is an Autonomous System Number used to identify a network for BGP internet routing.
AS25845 is listed under Virginia Mason Medical Center.
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.