% 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:       216.38.128.0 - 216.38.159.255
CIDR:           216.38.128.0/19
NetName:        FASTM-216-38-128
NetHandle:      NET-216-38-128-0-1
Parent:         NET216 (NET-216-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Fastmetrics (FASTM)
RegDate:        1998-08-12
Updated:        2025-02-06
Comment:        http://www.fastmetrics.com/
Ref:            https://rdap.arin.net/registry/ip/216.38.128.0

OrgName:        Fastmetrics
OrgId:          FASTM
Address:        6100 Horton St
City:           Emeryville
StateProv:      CA
PostalCode:     94608
Country:        US
RegDate:        2002-09-03
Updated:        2025-02-04
Ref:            https://rdap.arin.net/registry/entity/FASTM

ReferralServer:  rwhois://rwhois.fastmetrics.com:4321

OrgTechHandle: COOKB84-ARIN
OrgTechName:   Cook, Barrie 
OrgTechPhone:  +1-800-377-6335 
OrgTechEmail:  bcook@paxio.com
OrgTechRef:    https://rdap.arin.net/registry/entity/COOKB84-ARIN

OrgTechHandle: CLI63-ARIN
OrgTechName:   Lindsly, Corey 
OrgTechPhone:  +1-866-678-8845 
OrgTechEmail:  corey@lod.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CLI63-ARIN

OrgTechHandle: ADMIN6-ARIN
OrgTechName:   Administrative Contact
OrgTechPhone:  +1-415-778-5103 
OrgTechEmail:  admin@fastmetrics.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

OrgAbuseHandle: ADMIN6-ARIN
OrgAbuseName:   Administrative Contact
OrgAbusePhone:  +1-415-778-5103 
OrgAbuseEmail:  admin@fastmetrics.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

OrgTechHandle: MUSTE20-ARIN
OrgTechName:   Musteata, Nicolae 
OrgTechPhone:  +37379710712 
OrgTechEmail:  nicolae.musteata@itcare.net
OrgTechRef:    https://rdap.arin.net/registry/entity/MUSTE20-ARIN

OrgNOCHandle: ADMIN6-ARIN
OrgNOCName:   Administrative Contact
OrgNOCPhone:  +1-415-778-5103 
OrgNOCEmail:  admin@fastmetrics.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

RNOCHandle: ADMIN6-ARIN
RNOCName:   Administrative Contact
RNOCPhone:  +1-415-778-5103 
RNOCEmail:  admin@fastmetrics.com
RNOCRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

RTechHandle: ADMIN6-ARIN
RTechName:   Administrative Contact
RTechPhone:  +1-415-778-5103 
RTechEmail:  admin@fastmetrics.com
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

RAbuseHandle: ADMIN6-ARIN
RAbuseName:   Administrative Contact
RAbusePhone:  +1-415-778-5103 
RAbuseEmail:  admin@fastmetrics.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN6-ARIN

RTechHandle: MUSTE20-ARIN
RTechName:   Musteata, Nicolae 
RTechPhone:  +37379710712 
RTechEmail:  nicolae.musteata@itcare.net
RTechRef:    https://rdap.arin.net/registry/entity/MUSTE20-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.
#