% APNIC found the following authoritative answer from: whois.arin.net

#
# 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.
#

NetRange:       66.242.192.0 - 66.242.223.255
CIDR:           66.242.192.0/19
NetName:        MADT-NET-1
NetHandle:      NET-66-242-192-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Madison Telephone Company (MADT)
RegDate:        2002-03-06
Updated:        2012-02-24
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref:            https://rdap.arin.net/registry/ip/66.242.192.0

OrgName:        Madison Telephone Company
OrgId:          MADT
Address:        PO 29
Address:        21668 Double Arch Dr 
City:           Staunton
StateProv:      IL
PostalCode:     62088
Country:        US
RegDate:        2000-01-24
Updated:        2025-11-05
Comment:        Please submit all abuse complaints to
Comment:        abuse@madisontelco.com
Ref:            https://rdap.arin.net/registry/entity/MADT

OrgTechHandle: JB1300-ARIN
OrgTechName:   Bacher, Jan 
OrgTechPhone:  +1-618-713-3777 
OrgTechEmail:  jb@janbacher.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JB1300-ARIN

OrgAbuseHandle: ABUSE655-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-618-633-2267 
OrgAbuseEmail:  abuse@madisontelco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE655-ARIN

OrgTechHandle: WALDR142-ARIN
OrgTechName:   Waldrop, Justin 
OrgTechPhone:  +1-618-635-2077 
OrgTechEmail:  jwaldrop@gomadison.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WALDR142-ARIN

RAbuseHandle: ABUSE655-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-618-633-2267 
RAbuseEmail:  abuse@madisontelco.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE655-ARIN

RTechHandle: GHO34-ARIN
RTechName:   Hoffstetter, Gary 
RTechPhone:  +1-618-635-5000 
RTechEmail:  ghoffstetter@madisontelco.com
RTechRef:    https://rdap.arin.net/registry/entity/GHO34-ARIN

RNOCHandle: JDA66-ARIN
RNOCName:   Davis, Jerry 
RNOCPhone:  +1-618-635-5000 
RNOCEmail:  jddavis@madisontelco.com
RNOCRef:    https://rdap.arin.net/registry/entity/JDA66-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.
#