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

NetRange:       66.230.80.0 - 66.230.127.255
CIDR:           66.230.96.0/19, 66.230.80.0/20
NetName:        ACSG-1-NET-0
NetHandle:      NET-66-230-80-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Alaska Communications Systems Group, Inc. (ACSG-1)
RegDate:        2004-03-24
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/ip/66.230.80.0

OrgName:        Alaska Communications Systems Group, Inc.
OrgId:          ACSG-1
Address:        c/o ACS Internet, Inc.
Address:        600 Telephone Ave.
City:           Anchorage
StateProv:      AK
PostalCode:     99503
Country:        US
RegDate:        2004-02-24
Updated:        2023-11-15
Ref:            https://rdap.arin.net/registry/entity/ACSG-1

ReferralServer:  rwhois://rwhois.acsalaska.net:4321

OrgAbuseHandle: AIA5-ARIN
OrgAbuseName:   ACS Internet - Admin
OrgAbusePhone:  +1-907-273-6800 
OrgAbuseEmail:  sys.admin@acsalaska.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AIA5-ARIN

OrgNOCHandle: AIN5-ARIN
OrgNOCName:   ACS Internet - NOC
OrgNOCPhone:  +1-907-273-6800 
OrgNOCEmail:  i-ops@acsalaska.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/AIN5-ARIN

OrgTechHandle: AIT5-ARIN
OrgTechName:   ACS Internet - Tech
OrgTechPhone:  +1-907-273-6800 
OrgTechEmail:  dnsadmin@acsalaska.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AIT5-ARIN

OrgTechHandle: ZA76-ARIN
OrgTechName:   Ipnetops
OrgTechPhone:  +1-503-466-8505 
OrgTechEmail:  ipnetops@wcicable.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZA76-ARIN

OrgDNSHandle: AIA5-ARIN
OrgDNSName:   ACS Internet - Admin
OrgDNSPhone:  +1-907-273-6800 
OrgDNSEmail:  sys.admin@acsalaska.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/AIA5-ARIN

OrgTechHandle: AIA5-ARIN
OrgTechName:   ACS Internet - Admin
OrgTechPhone:  +1-907-273-6800 
OrgTechEmail:  sys.admin@acsalaska.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AIA5-ARIN

OrgAbuseHandle: AIA4-ARIN
OrgAbuseName:   ACS Internet - Abuse
OrgAbusePhone:  +1-907-273-6898 
OrgAbuseEmail:  abuse@acsalaska.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AIA4-ARIN

OrgRoutingHandle: AIA5-ARIN
OrgRoutingName:   ACS Internet - Admin
OrgRoutingPhone:  +1-907-273-6800 
OrgRoutingEmail:  sys.admin@acsalaska.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/AIA5-ARIN

OrgNOCHandle: AIA5-ARIN
OrgNOCName:   ACS Internet - Admin
OrgNOCPhone:  +1-907-273-6800 
OrgNOCEmail:  sys.admin@acsalaska.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/AIA5-ARIN

RAbuseHandle: AIA4-ARIN
RAbuseName:   ACS Internet - Abuse
RAbusePhone:  +1-907-273-6898 
RAbuseEmail:  abuse@acsalaska.net
RAbuseRef:    https://rdap.arin.net/registry/entity/AIA4-ARIN

RNOCHandle: AIN5-ARIN
RNOCName:   ACS Internet - NOC
RNOCPhone:  +1-907-273-6800 
RNOCEmail:  i-ops@acsalaska.net
RNOCRef:    https://rdap.arin.net/registry/entity/AIN5-ARIN

RTechHandle: AIT5-ARIN
RTechName:   ACS Internet - Tech
RTechPhone:  +1-907-273-6800 
RTechEmail:  dnsadmin@acsalaska.net
RTechRef:    https://rdap.arin.net/registry/entity/AIT5-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.
#