NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       AS174
Organization:   PSINet, Inc. (PSI)
RegDate:        1991-04-16
Updated:        2023-10-11
Comment:        IP allocations within 38.0.0.0/8 are used for Cogent customer static IP assignments.
Comment:
Comment:        Reassignment information for this block can be found at rwhois.cogentco.com 4321
Comment:
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0

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:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

RTechHandle: PSI-NISC-ARIN
RTechName:   IP Allocation
RTechPhone:  +1-877-875-4311
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/PSI-NISC-ARIN


NetRange:       38.105.238.0 - 38.105.238.255
CIDR:           38.105.238.0/24
NetName:        HUDSON-RIVER-TRADING-CGNT-NET-1
NetHandle:      NET-38-105-238-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reassigned
OriginAS:       AS40827
Customer:       Hudson River Trading LLC (C10856197)
RegDate:        2024-05-28
Updated:        2024-05-28
Ref:            https://rdap.arin.net/registry/ip/38.105.238.0

CustName:       Hudson River Trading LLC
Address:        60 Hudson St
City:           New York
StateProv:      NY
PostalCode:     10013
Country:        US
RegDate:        2024-05-28
Updated:        2024-05-28
Ref:            https://rdap.arin.net/registry/entity/C10856197

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

RTechHandle: PSI-NISC-ARIN
RTechName:   IP Allocation
RTechPhone:  +1-877-875-4311
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/PSI-NISC-ARIN