% 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:       158.61.0.0 - 158.61.255.255
CIDR:           158.61.0.0/16
NetName:        RIVSIDECONET
NetHandle:      NET-158-61-0-0-1
Parent:         NET158 (NET-158-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   County of Riverside (CRIS-Z)
RegDate:        1992-02-14
Updated:        2023-04-24
Ref:            https://rdap.arin.net/registry/ip/158.61.0.0

OrgName:        County of Riverside
OrgId:          CRIS-Z
Address:        Riverside County IT
Address:        3450 14th Street
Address:        4th Floor
City:           Riverside
StateProv:      CA
PostalCode:     92501
Country:        US
RegDate:        2023-03-10
Updated:        2023-04-24
Ref:            https://rdap.arin.net/registry/entity/CRIS-Z

OrgNOCHandle: NETWO9790-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-951-955-7777 
OrgNOCEmail:  it-ncc@rivco.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9790-ARIN

OrgTechHandle: FINCH165-ARIN
OrgTechName:   Fincham, Martin 
OrgTechPhone:  +1-951-955-0631 
OrgTechEmail:  mfincham@rivco.org
OrgTechRef:    https://rdap.arin.net/registry/entity/FINCH165-ARIN

OrgAbuseHandle: NETWO9790-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-951-955-7777 
OrgAbuseEmail:  it-ncc@rivco.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9790-ARIN

RNOCHandle: NETWO9790-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-951-955-7777 
RNOCEmail:  it-ncc@rivco.org
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO9790-ARIN

RTechHandle: FINCH165-ARIN
RTechName:   Fincham, Martin 
RTechPhone:  +1-951-955-0631 
RTechEmail:  mfincham@rivco.org
RTechRef:    https://rdap.arin.net/registry/entity/FINCH165-ARIN

RAbuseHandle: NETWO9790-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-951-955-7777 
RAbuseEmail:  it-ncc@rivco.org
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9790-ARIN

RTechHandle: NETWO9790-ARIN
RTechName:   Network Operations
RTechPhone:  +1-951-955-7777 
RTechEmail:  it-ncc@rivco.org
RTechRef:    https://rdap.arin.net/registry/entity/NETWO9790-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.
#

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