50.72.121.79

NetRange:       50.64.0.0 - 50.72.255.255
CIDR:           50.64.0.0/13, 50.72.0.0/16
NetName:        SHAW-COMM
NetHandle:      NET-50-64-0-0-1
Parent:         NET50 (NET-50-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS6327
Organization:   Shaw Communications Inc. (SHAWC)
RegDate:        2010-10-28
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/ip/50.64.0.0

OrgName:        Shaw Communications Inc.
OrgId:          SHAWC
Address:        Suite 800
Address:        630 - 3rd Ave. SW
City:           Calgary
StateProv:      AB
PostalCode:     T2P-4L4
Country:        CA
RegDate:        2003-03-05
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/SHAWC

ReferralServer:  rwhois://rwhois.shawcable.net:4321

OrgAbuseHandle: SHAWA-ARIN
OrgAbuseName:   SHAW ABUSE
OrgAbusePhone:  +1-403-750-7420 
OrgAbuseEmail:  internet.abuse@sjrb.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SHAWA-ARIN

OrgTechHandle: ZS178-ARIN
OrgTechName:   IP Admin
OrgTechPhone:  +1-416-786-1640 
OrgTechEmail:  ipadmin@sjrb.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS178-ARIN

RTechHandle: ZS178-ARIN
RTechName:   IP Admin
RTechPhone:  +1-416-786-1640 
RTechEmail:  ipadmin@sjrb.ca
RTechRef:    https://rdap.arin.net/registry/entity/ZS178-ARIN

Found a referral to rwhois.shawcable.net:4321.