% 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:       150.148.0.0 - 150.148.255.255
CIDR:           150.148.0.0/16
NetName:        FDA-NET
NetHandle:      NET-150-148-0-0-1
Parent:         APNIC-ERX-150 (NET-150-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS22828, AS8987
Organization:   United States Food and Drug Administration (PCCDH-Z)
RegDate:        1991-05-16
Updated:        2023-11-16
Ref:            https://rdap.arin.net/registry/ip/150.148.0.0

OrgName:        United States Food and Drug Administration
OrgId:          PCCDH-Z
Address:        10903 New Hampshire Avenue
City:           Silver Spring
StateProv:      MD
PostalCode:     20903
Country:        US
RegDate:        2023-11-08
Updated:        2023-11-08
Ref:            https://rdap.arin.net/registry/entity/PCCDH-Z

OrgAbuseHandle: FDAAB-ARIN
OrgAbuseName:   FDA Abuse
OrgAbusePhone:  +1-301-796-6622 
OrgAbuseEmail:  IPAbuse@fda.hhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FDAAB-ARIN

OrgNOCHandle: FDANO-ARIN
OrgNOCName:   FDA NOC
OrgNOCPhone:  +1-301-796-6622 
OrgNOCEmail:  IPNOC@fda.hhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/FDANO-ARIN

OrgTechHandle: FDATE-ARIN
OrgTechName:   FDA Tech
OrgTechPhone:  +1-301-796-6622 
OrgTechEmail:  IPTech@fda.hhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/FDATE-ARIN

OrgTechHandle: GANIP-ARIN
OrgTechName:   Gani, Paul 
OrgTechPhone:  +1-301-221-8048 
OrgTechEmail:  paul.gani@fda.hhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/GANIP-ARIN

OrgTechHandle: MAS198-ARIN
OrgTechName:   Smith, Michael Andrew
OrgTechPhone:  +1-240-401-1308 
OrgTechEmail:  michael.smith@fda.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/MAS198-ARIN

RAbuseHandle: FDAAB-ARIN
RAbuseName:   FDA Abuse
RAbusePhone:  +1-301-796-6622 
RAbuseEmail:  IPAbuse@fda.hhs.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/FDAAB-ARIN

RTechHandle: FDATE-ARIN
RTechName:   FDA Tech
RTechPhone:  +1-301-796-6622 
RTechEmail:  IPTech@fda.hhs.gov
RTechRef:    https://rdap.arin.net/registry/entity/FDATE-ARIN

RNOCHandle: FDANO-ARIN
RNOCName:   FDA NOC
RNOCPhone:  +1-301-796-6622 
RNOCEmail:  IPNOC@fda.hhs.gov
RNOCRef:    https://rdap.arin.net/registry/entity/FDANO-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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