% 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:       147.11.0.0 - 147.11.255.255
CIDR:           147.11.0.0/16
NetName:        WRS
NetHandle:      NET-147-11-0-0-1
Parent:         NET147 (NET-147-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Wind River Systems, Inc. (WRS-7-Z)
RegDate:        1991-03-28
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/147.11.0.0

OrgName:        Wind River Systems, Inc.
OrgId:          WRS-7-Z
Address:        500 Wind River Way
City:           Alameda
StateProv:      CA
PostalCode:     94501
Country:        US
RegDate:        2009-11-25
Updated:        2017-12-19
Ref:            https://rdap.arin.net/registry/entity/WRS-7-Z

OrgAbuseHandle: ASNAU-ARIN
OrgAbuseName:   Asnault, Lee 
OrgAbusePhone:  +1-510-749-2668 
OrgAbuseEmail:  lee.asnault@windriver.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ASNAU-ARIN

OrgTechHandle: ANT3-ARIN
OrgTechName:   Alameda Network Team
OrgTechPhone:  +1-510-748-4100 
OrgTechEmail:  ala-net@windriver.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANT3-ARIN

OrgTechHandle: ASNAU-ARIN
OrgTechName:   Asnault, Lee 
OrgTechPhone:  +1-510-749-2668 
OrgTechEmail:  lee.asnault@windriver.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ASNAU-ARIN

OrgAbuseHandle: ANT3-ARIN
OrgAbuseName:   Alameda Network Team
OrgAbusePhone:  +1-510-748-4100 
OrgAbuseEmail:  ala-net@windriver.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ANT3-ARIN

OrgAbuseHandle: LEEFR-ARIN
OrgAbuseName:   Lee, Frank 
OrgAbusePhone:  +1-510-749-2277 
OrgAbuseEmail:  frank.lee@windriver.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LEEFR-ARIN

OrgTechHandle: LEEFR-ARIN
OrgTechName:   Lee, Frank 
OrgTechPhone:  +1-510-749-2277 
OrgTechEmail:  frank.lee@windriver.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEEFR-ARIN

RTechHandle: ANT3-ARIN
RTechName:   Alameda Network Team
RTechPhone:  +1-510-748-4100 
RTechEmail:  ala-net@windriver.com
RTechRef:    https://rdap.arin.net/registry/entity/ANT3-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