ASN Lookup Tool

AS27451
US Oncology, Inc. US US 2 Routes

AS27451US Oncology, Inc.

AS Number 27451
AS Name
Organization US Oncology, Inc.(usonc)
Country US
Website mckesson.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status
Registry ARIN
Date Allocated N/A

IP Ranges

Route # IPs
38.68.63.0/24 256
206.203.80.0/24 256

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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       27451
ASName:         USO-ASN
ASHandle:       AS27451
RegDate:        2003-03-10
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/27451


OrgName:        US Oncology, Inc.
OrgId:          USONC
Address:        10101 Woodloch Forest
City:           The Woodlands
StateProv:      TX
PostalCode:     77380
Country:        US
RegDate:        2003-02-25
Updated:        2023-03-22
Comment:        US Oncology Inc is a subsidiary of McKesson.
Ref:            https://rdap.arin.net/registry/entity/USONC


OrgAbuseHandle: NIT2-ARIN
OrgAbuseName:   Network Infrastructure Team
OrgAbusePhone:  +1-972-446-4800 
OrgAbuseEmail:  NetworkInfrastructureTeam2@mckesson.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIT2-ARIN

OrgTechHandle: NIT2-ARIN
OrgTechName:   Network Infrastructure Team
OrgTechPhone:  +1-972-446-4800 
OrgTechEmail:  NetworkInfrastructureTeam2@mckesson.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NIT2-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 1997-2025, American Registry for Internet Numbers, Ltd.
#
            

Parsed Whois Response

Peers

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

Upstreams

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

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