50.28.105.172

NetRange:       50.28.96.0 - 50.28.127.255
CIDR:           50.28.96.0/19
NetName:        LIQUIDWEB-10
NetHandle:      NET-50-28-96-0-1
Parent:         LIQUIDWEB (NET-50-28-0-0-1)
NetType:        Reassigned
OriginAS:       AS53824
Organization:   Liquid Web, Inc (LW-13)
RegDate:        2011-11-28
Updated:        2011-11-28
Ref:            https://rdap.arin.net/registry/ip/50.28.96.0

OrgName:        Liquid Web, Inc
OrgId:          LW-13
Address:        3402 E. University Dr.
City:           Phoenix
StateProv:      AZ
PostalCode:     85034
Country:        US
RegDate:        2011-11-28
Updated:        2011-11-28
Ref:            https://rdap.arin.net/registry/entity/LW-13

OrgAbuseHandle: NOC12369-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-800-580-4985 
OrgAbuseEmail:  ipadmin@liquidweb.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12369-ARIN

OrgTechHandle: NOC12369-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-800-580-4985 
OrgTechEmail:  ipadmin@liquidweb.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12369-ARIN

Found a referral to rwhois.liquidweb.com:4321.

network:Class-Name:network
network:ID:NETBLK-SOURCEDNS.50.28.96.0/19
network:Auth-Area:50.28.96.0/19
network:Network-Name:SOURCEDNS-50.28.96.0
network:IP-Network:50.28.96.0/19
network:IP-Network-Block:50.28.96.0 - 50.28.127.255
network:Organization;I:SOURCEDNS
network:Org-Name:SourceDNS
network:Street-Address:4210 Creyts Rd.
network:City:Lansing
network:State:MI
network:Postal-Code:48917
network:Country-Code:US
network:Tech-Contact;I:admin@sourcedns.com
network:Created:20040212
network:Updated:20040214
network:Updated-By:admin@sourcedns.com
network:Abuse:abuse@sourcedns.com