204.6.192.0/18

NetRange:       204.4.0.0 - 204.7.255.255
CIDR:           204.4.0.0/14
NetName:        COGENT-204-4-14
NetHandle:      NET-204-4-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS174
Organization:   PSINet, Inc. (PSI)
RegDate:        1994-05-05
Updated:        2011-05-27
Ref:            https://rdap.arin.net/registry/ip/204.4.0.0

OrgName:        PSINet, Inc.
OrgId:          PSI
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        
Updated:        2023-10-11
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/PSI

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

RTechHandle: PSI-NISC-ARIN
RTechName:   IP Allocation
RTechPhone:  +1-877-875-4311 
RTechEmail:  ipalloc@cogentco.com
RTechRef:    https://rdap.arin.net/registry/entity/PSI-NISC-ARIN

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