ASN Lookup Tool

Omnicare, Inc. aetna.com US US 18 Routes

AS Data

AS18862

AS18862 – Omnicare, Inc.

AS Number 18862
AS Name NCS-HEALTHCARE
Organization Omnicare, Inc.(omnic-31)
Country US
Website aetna.com
Number of IPv4 Routes 18
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2000-10-18

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Use ASN data for AS18862 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
204.99.50.0/24 256
152.145.172.0/24 256
152.145.224.0/24 256
204.14.128.0/23 512
152.145.240.0/24 256
204.99.18.0/24 256
156.78.128.0/23 512
192.160.146.0/24 256
204.99.22.0/23 512
74.116.83.0/24 256

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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18862
ASName:         NCS-HEALTHCARE
ASHandle:       AS18862
RegDate:        2000-10-18
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/18862


OrgName:        Omnicare, Inc.
OrgId:          OMNIC-31
Address:        4936 Blazer Parkway
City:           Dublin
StateProv:      OH
PostalCode:     43017
Country:        US
RegDate:        2006-04-21
Updated:        2020-03-19
Ref:            https://rdap.arin.net/registry/entity/OMNIC-31


OrgTechHandle: HOSTM190-ARIN
OrgTechName:   HostMaster
OrgTechPhone:  +1-860-636-9898 
OrgTechEmail:  hostmaster@aetna.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM190-ARIN

OrgAbuseHandle: HOSTM190-ARIN
OrgAbuseName:   HostMaster
OrgAbusePhone:  +1-860-636-9898 
OrgAbuseEmail:  hostmaster@aetna.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM190-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
AS7018 AT&T Enterprises, LLC US
AS701 Verizon Business/UUnet US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US
AS701 Verizon Business US
AS22773 Cox Communications Inc. US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US
AS701 Verizon Business US
AS22773 Cox Communications Inc. US

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Frequently Asked Questions

ASN AS18862 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18862 is listed under Omnicare, Inc..
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.