% 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:       204.100.0.0 - 204.100.255.255
CIDR:           204.100.0.0/16
NetName:        RCOEK-12NET
NetHandle:      NET-204-100-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   County of Riverside (COUNTY-20)
RegDate:        1994-07-13
Updated:        2025-10-20
Ref:            https://rdap.arin.net/registry/ip/204.100.0.0

OrgName:        County of Riverside
OrgId:          COUNTY-20
Address:        Information Technology Services
Address:        3939 Thirteenth Street
City:           Riverside
StateProv:      CA
PostalCode:     92502
Country:        US
RegDate:        1994-07-13
Updated:        2025-10-20
Ref:            https://rdap.arin.net/registry/entity/COUNTY-20

OrgRoutingHandle: WILKI325-ARIN
OrgRoutingName:   Wilkinson, David 
OrgRoutingPhone:  +1-951-826-6560 
OrgRoutingEmail:  dwilkinson@rcoe.us
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

OrgTechHandle: WILKI325-ARIN
OrgTechName:   Wilkinson, David 
OrgTechPhone:  +1-951-826-6560 
OrgTechEmail:  dwilkinson@rcoe.us
OrgTechRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

OrgAbuseHandle: WILKI325-ARIN
OrgAbuseName:   Wilkinson, David 
OrgAbusePhone:  +1-951-826-6560 
OrgAbuseEmail:  dwilkinson@rcoe.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

OrgTechHandle: ELLIS608-ARIN
OrgTechName:   Ellis, Jared 
OrgTechPhone:  +1-951-826-6556 
OrgTechEmail:  jellis@rcoe.us
OrgTechRef:    https://rdap.arin.net/registry/entity/ELLIS608-ARIN

OrgNOCHandle: WILKI325-ARIN
OrgNOCName:   Wilkinson, David 
OrgNOCPhone:  +1-951-826-6560 
OrgNOCEmail:  dwilkinson@rcoe.us
OrgNOCRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

OrgDNSHandle: WILKI325-ARIN
OrgDNSName:   Wilkinson, David 
OrgDNSPhone:  +1-951-826-6560 
OrgDNSEmail:  dwilkinson@rcoe.us
OrgDNSRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

RNOCHandle: WILKI325-ARIN
RNOCName:   Wilkinson, David 
RNOCPhone:  +1-951-826-6560 
RNOCEmail:  dwilkinson@rcoe.us
RNOCRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

RTechHandle: ELLIS608-ARIN
RTechName:   Ellis, Jared 
RTechPhone:  +1-951-826-6556 
RTechEmail:  jellis@rcoe.us
RTechRef:    https://rdap.arin.net/registry/entity/ELLIS608-ARIN

RTechHandle: WILKI325-ARIN
RTechName:   Wilkinson, David 
RTechPhone:  +1-951-826-6560 
RTechEmail:  dwilkinson@rcoe.us
RTechRef:    https://rdap.arin.net/registry/entity/WILKI325-ARIN

RAbuseHandle: WILKI325-ARIN
RAbuseName:   Wilkinson, David 
RAbusePhone:  +1-951-826-6560 
RAbuseEmail:  dwilkinson@rcoe.us
RAbuseRef:    https://rdap.arin.net/registry/entity/WILKI325-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.
#