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:        2018-06-20
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
Comment:        rwhois.cogentco.com 4321
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:        2015-06-04
Comment:        rwhois.cogentco.com
Ref:            https://rdap.arin.net/registry/entity/PSI

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

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

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

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:       38.108.14.0 - 38.108.14.255
CIDR:           38.108.14.0/24
NetName:        TWOSIGMA-CGNT-NET-1
NetHandle:      NET-38-108-14-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reassigned
OriginAS:       AS36671
Organization:   TWO SIGMA INVESTMENTS, LP (TSI-21)
RegDate:        2018-12-04
Updated:        2018-12-04
Ref:            https://rdap.arin.net/registry/ip/38.108.14.0

OrgName:        TWO SIGMA INVESTMENTS, LP
OrgId:          TSI-21
Address:        100 Avenue of the Americas, 16th Floor
City:           New York
StateProv:      NY
PostalCode:     10013
Country:        US
RegDate:        2001-10-30
Updated:        2022-05-17
Ref:            https://rdap.arin.net/registry/entity/TSI-21

OrgAbuseHandle: ABUSE8450-ARIN
OrgAbuseName:   abuse contact
OrgAbusePhone:  +1-212-625-5700
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8450-ARIN

OrgTechHandle: NETWO5478-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-646-292-6288
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO5478-ARIN