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

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

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


NetRange:       38.99.231.0 - 38.99.231.255
CIDR:           38.99.231.0/24
NetName:        NADE-CGNT-NET-1
NetHandle:      NET-38-99-231-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reassigned
OriginAS:       AS46447
Organization:   North American Derivatives Exchange, Inc. (HEDGE-4)
RegDate:        2021-06-17
Updated:        2021-06-17
Ref:            https://rdap.arin.net/registry/ip/38.99.231.0

OrgName:        North American Derivatives Exchange, Inc.
OrgId:          HEDGE-4
Address:        200 W Jackson Boulevard Suite 1400
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        2008-08-22
Updated:        2020-11-23
Ref:            https://rdap.arin.net/registry/entity/HEDGE-4

OrgAbuseHandle: IAC17-ARIN
OrgAbuseName:   IG Abuse contact
OrgAbusePhone:  +02078960011
OrgAbuseEmail:  abuse@ig.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IAC17-ARIN

OrgTechHandle: INE27-ARIN
OrgTechName:   IG Network Engineering
OrgTechPhone:  +44 20 7896 0011
OrgTechEmail:  networks@ig.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INE27-ARIN

OrgNOCHandle: INS28-ARIN
OrgNOCName:   IG Network Services
OrgNOCPhone:  +44 20 7896 0011
OrgNOCEmail:  noc@ig.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/INS28-ARIN