% 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 1997-2024, American Registry for Internet Numbers, Ltd.
#

NetRange:       172.83.16.0 - 172.83.31.255
CIDR:           172.83.16.0/20
NetName:        CLTEL
NetHandle:      NET-172-83-16-0-1
Parent:         NET172 (NET-172-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS394907
Organization:   Northland Communications Inc. (NC-398)
RegDate:        2018-01-13
Updated:        2018-01-13
Comment:        NOC Contact: plant@cltel.com
Comment:        NOC Hours: 8AM - 5PM CST
Ref:            https://rdap.arin.net/registry/ip/172.83.16.0

OrgName:        Northland Communications Inc.
OrgId:          NC-398
Address:        107 N. 4th Street
City:           Clear Lake
StateProv:      IA
PostalCode:     50428
Country:        US
RegDate:        2015-12-18
Updated:        2021-04-02
Ref:            https://rdap.arin.net/registry/entity/NC-398

OrgTechHandle: EMERS89-ARIN
OrgTechName:   Emerson, Brad 
OrgTechPhone:  +1-641-355-2113 
OrgTechEmail:  brademerson@cltel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/EMERS89-ARIN

OrgAbuseHandle: ABUSE7274-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-641-357-2111 
OrgAbuseEmail:  abuse@cltel.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7274-ARIN

OrgTechHandle: MJH49-ARIN
OrgTechName:   Hagerty, Mike James
OrgTechPhone:  +1-515-650-0273 
OrgTechEmail:  mhagerty@7sigma.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MJH49-ARIN

OrgTechHandle: NRB2-ARIN
OrgTechName:   Beard, Nathan Richard
OrgTechPhone:  +1-218-820-7636 
OrgTechEmail:  nbeard@7sigma.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NRB2-ARIN

OrgTechHandle: PTS7-ARIN
OrgTechName:   Sampson, Phil T
OrgTechPhone:  +1-218-831-2828 
OrgTechEmail:  psampson@7sigma.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PTS7-ARIN

OrgTechHandle: ECKER60-ARIN
OrgTechName:   Eckert, Joshua 
OrgTechPhone:  +1-641-355-2129 
OrgTechEmail:  joshuaeckert@cltel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ECKER60-ARIN

OrgNOCHandle: PLANT16-ARIN
OrgNOCName:   Plant Operations
OrgNOCPhone:  +1-641-357-2111 
OrgNOCEmail:  plant@cltel.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/PLANT16-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 1997-2024, American Registry for Internet Numbers, Ltd.
#

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain