% 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:       103.200.72.0 - 103.200.73.255
CIDR:           103.200.72.0/23
NetName:        GDMSC
NetHandle:      NET-103-200-72-0-1
Parent:         APNIC-103 (NET-103-0-0-0-1)
NetType:        Direct Allocation
OriginAS:       
Organization:   General Dynamics Mission Systems - Canada (GDMSC)
RegDate:        2023-04-11
Updated:        2023-04-11
Ref:            https://rdap.arin.net/registry/ip/103.200.72.0


OrgName:        General Dynamics Mission Systems - Canada
OrgId:          GDMSC
Address:        1941 Robertson Rd
City:           Ottawa
StateProv:      ON
PostalCode:     K2H 5B7
Country:        CA
RegDate:        2020-05-08
Updated:        2020-05-08
Ref:            https://rdap.arin.net/registry/entity/GDMSC


OrgAbuseHandle: ABUSE7902-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-613-596-7812 
OrgAbuseEmail:  IPAdmin@gd-ms.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7902-ARIN

OrgTechHandle: TECHN1705-ARIN
OrgTechName:   Technical
OrgTechPhone:  +1-613-596-7812 
OrgTechEmail:  IPAdmin@gd-ms.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1705-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.
#