192.138.18.104

NetRange:       192.138.16.0 - 192.138.23.255
CIDR:           192.138.16.0/21
NetName:        LIQUIDWEB
NetHandle:      NET-192-138-16-0-1
Parent:         NET192 (NET-192-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS19066, AS32244
Organization:   Liquid Web, L.L.C (LQWB)
RegDate:        2013-02-06
Updated:        2017-06-05
Ref:            https://rdap.arin.net/registry/ip/192.138.16.0

OrgName:        Liquid Web, L.L.C
OrgId:          LQWB
Address:        4210 Creyts Rd.
City:           Lansing
StateProv:      MI
PostalCode:     48917
Country:        US
RegDate:        2001-07-20
Updated:        2020-04-29
Ref:            https://rdap.arin.net/registry/entity/LQWB

ReferralServer:  rwhois://rwhois.liquidweb.com:4321

OrgAbuseHandle: ABUSE551-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-800-580-4985 
OrgAbuseEmail:  abuse@liquidweb.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE551-ARIN

OrgTechHandle: IPADM47-ARIN
OrgTechName:   IP Administrator
OrgTechPhone:  +1-800-580-4985 
OrgTechEmail:  ipadmin@liquidweb.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM47-ARIN

RTechHandle: IPADM47-ARIN
RTechName:   IP Administrator
RTechPhone:  +1-800-580-4985 
RTechEmail:  ipadmin@liquidweb.com
RTechRef:    https://rdap.arin.net/registry/entity/IPADM47-ARIN

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