AS20315 McHenry County

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	12.206.214.0/24	AT&T Services, Inc.		12.0.0.0/8	ARIN
	68.21.116.0/24	McHenry County.292470		66.187.128.0/19	ARIN
	162.142.124.0/24	McHenry County		162.142.124.0/24	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS11417	NIU	Northern Illinois University
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS11417	NIU	Northern Illinois University
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       20315
ASName:         MCHENRY-COUNTY-AS1
ASHandle:       AS20315
RegDate:        2007-09-06
Updated:        2012-03-20    
Ref:            https://rdap.arin.net/registry/autnum/20315


OrgName:        McHenry County
OrgId:          MCHEN-1
Address:        2200 N Seminary Ave
City:           Woodstock
StateProv:      IL
PostalCode:     60098
Country:        US
RegDate:        2007-07-25
Updated:        2020-11-16
Ref:            https://rdap.arin.net/registry/entity/MCHEN-1


OrgTechHandle: ITMAN33-ARIN
OrgTechName:   IT Manager
OrgTechPhone:  +1-815-334-4138 
OrgTechEmail:  infotech@co.mchenry.il.us
OrgTechRef:    https://rdap.arin.net/registry/entity/ITMAN33-ARIN

OrgAbuseHandle: ITMAN33-ARIN
OrgAbuseName:   IT Manager
OrgAbusePhone:  +1-815-334-4138 
OrgAbuseEmail:  infotech@co.mchenry.il.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITMAN33-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.
#