ASN AS26912 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26912?

AS26912 is listed under Northwest Community Hospital.

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.

AS26912 Northwest Community Hospital

ASN Lookup Tool

Northwest Community Hospital nch.org

US 6 Routes

AS Data

AS26912

AS26912 – Northwest Community Hospital

AS Number	26912
AS Name	NCH-AS1
Organization	Northwest Community Hospital(nch-1)
Country	US
Website	nch.org
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-10-18

ASN Intelligence API for production workflows

Use ASN data for AS26912 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.251.23.0/24	AS26912	Northwest Community Hospital	Northwest Community Hospital	256
198.251.24.0/24	AS26912	Northwest Community Hospital	Northwest Community Hospital	256
198.251.25.0/24	AS26912	Northwest Community Hospital	Northwest Community Hospital	256
198.251.26.0/24	AS26912	Northwest Community Hospital	Northwest Community Hospital	256
50.201.62.0/24	AS26912	Northwest Community Hospital	Northwest Community Healthcare	256
198.251.30.0/24	AS26912	Northwest Community Hospital	Northwest Community Hospital	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:       26912
ASName:         NCH-AS1
ASHandle:       AS26912
RegDate:        2017-10-18
Updated:        2017-10-18    
Ref:            https://rdap.arin.net/registry/autnum/26912


OrgName:        Northwest Community Hospital
OrgId:          NCH-1
Address:        800 West Central Road
City:           Arlington Heights
StateProv:      IL
PostalCode:     60005
Country:        US
RegDate:        1993-08-30
Updated:        2025-01-08
Ref:            https://rdap.arin.net/registry/entity/NCH-1


OrgDNSHandle: DUKIC2-ARIN
OrgDNSName:   Dukich, Paul 
OrgDNSPhone:  +1-847-618-4887 
OrgDNSEmail:  pdukich@nch.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/DUKIC2-ARIN

OrgDNSHandle: MARKA51-ARIN
OrgDNSName:   Eilken, Mark A
OrgDNSPhone:  +1-630-401-9289 
OrgDNSEmail:  meilken@nch.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/MARKA51-ARIN

OrgTechHandle: DUKIC2-ARIN
OrgTechName:   Dukich, Paul 
OrgTechPhone:  +1-847-618-4887 
OrgTechEmail:  pdukich@nch.org
OrgTechRef:    https://rdap.arin.net/registry/entity/DUKIC2-ARIN

OrgTechHandle: SMITH6239-ARIN
OrgTechName:   Smith, Daniel 
OrgTechPhone:  +1-630-527-5663 
OrgTechEmail:  daniel.smith@endeavorhealth.org
OrgTechRef:    https://rdap.arin.net/registry/entity/SMITH6239-ARIN

OrgRoutingHandle: SMITH6239-ARIN
OrgRoutingName:   Smith, Daniel 
OrgRoutingPhone:  +1-630-527-5663 
OrgRoutingEmail:  daniel.smith@endeavorhealth.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SMITH6239-ARIN

OrgTechHandle: MARKA51-ARIN
OrgTechName:   Eilken, Mark A
OrgTechPhone:  +1-630-401-9289 
OrgTechEmail:  meilken@nch.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MARKA51-ARIN

OrgNOCHandle: MARKA51-ARIN
OrgNOCName:   Eilken, Mark A
OrgNOCPhone:  +1-630-401-9289 
OrgNOCEmail:  meilken@nch.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/MARKA51-ARIN

OrgAbuseHandle: DUKIC2-ARIN
OrgAbuseName:   Dukich, Paul 
OrgAbusePhone:  +1-847-618-4887 
OrgAbuseEmail:  pdukich@nch.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DUKIC2-ARIN

OrgNOCHandle: DUKIC2-ARIN
OrgNOCName:   Dukich, Paul 
OrgNOCPhone:  +1-847-618-4887 
OrgNOCEmail:  pdukich@nch.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/DUKIC2-ARIN

OrgAbuseHandle: MARKA51-ARIN
OrgAbuseName:   Eilken, Mark A
OrgAbusePhone:  +1-630-401-9289 
OrgAbuseEmail:  meilken@nch.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MARKA51-ARIN

OrgRoutingHandle: DUKIC2-ARIN
OrgRoutingName:   Dukich, Paul 
OrgRoutingPhone:  +1-847-618-4887 
OrgRoutingEmail:  pdukich@nch.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DUKIC2-ARIN

OrgRoutingHandle: MARKA51-ARIN
OrgRoutingName:   Eilken, Mark A
OrgRoutingPhone:  +1-630-401-9289 
OrgRoutingEmail:  meilken@nch.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MARKA51-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
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US