204.4.187.0/24

NetRange:       204.4.128.0 - 204.4.191.255
CIDR:           204.4.128.0/18
NetName:        GSCO-NETBLK-3
NetHandle:      NET-204-4-128-0-1
Parent:         COGENT-204-4-14 (NET-204-4-0-0-1)
NetType:        Reassigned
OriginAS:       
Organization:   The Goldman Sachs Group, Inc. (GOLDM)
RegDate:        1995-04-14
Updated:        2005-04-06
Ref:            https://rdap.arin.net/registry/ip/204.4.128.0

OrgName:        The Goldman Sachs Group, Inc.
OrgId:          GOLDM
Address:        200 West Street
City:           New York
StateProv:      NY
PostalCode:     10282
Country:        US
RegDate:        2003-05-15
Updated:        2019-04-05
Ref:            https://rdap.arin.net/registry/entity/GOLDM

OrgAbuseHandle: GSABU-ARIN
OrgAbuseName:   GS-ABUSE - ABUSE
OrgAbusePhone:  +1-212-902-1500 
OrgAbuseEmail:  abuse@gs.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GSABU-ARIN

OrgTechHandle: GSDNS-ARIN
OrgTechName:   GS-DNSADMIN-EXTERNAL - DNS TECH
OrgTechPhone:  +1-212-902-1500 
OrgTechEmail:  gs-dnsadmin-external@ny.email.gs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GSDNS-ARIN

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

network:ID:NET4-CC04800012
network:Network-Name:NET4-CC04800012
network:IP-Network:204.4.128.0/18
network:Org-Name:The Goldman Sachs Group, Inc
network:Street-Address:1300 FEDERAL BLVD
network:City:CARTERET
network:State:NJ
network:Country:US
network:Postal-Code:07008
network:Tech-Contact:ZC108-ARIN
network:Updated:2017-08-25 15:52:13