#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
# start
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
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail: 
@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN
OrgNOCHandle: ZC108-ARIN
OrgNOCName: Cogent Communications
OrgNOCPhone: +1-877-875-4311
OrgNOCEmail: 
@cogentco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN
OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: 
@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN
RTechHandle: PSI-NISC-ARIN
RTechName: IP Allocation
RTechPhone: +1-877-875-4311
RTechEmail: @cogentco.com
RTechRef: https://rdap.arin.net/registry/entity/PSI-NISC-ARIN
# end
# start
NetRange: 38.146.55.0 - 38.146.55.255
CIDR: 38.146.55.0/24
NetName: NET-38-146-55-0-1
NetHandle: NET-38-146-55-0-1
Parent: COGENT-A (NET-38-0-0-0-1)
NetType: Reassigned
OriginAS: AS174, AS64249
Organization: Charles River Operation (JC-328)
RegDate: 2019-10-29
Updated: 2019-10-29
Ref: https://rdap.arin.net/registry/ip/38.146.55.0
OrgName: Charles River Operation
OrgId: JC-328
Address: 6 Liberty Sq., Ste. 170
City: Boston
StateProv: MA
PostalCode: 02109
Country: US
RegDate: 2016-04-04
Updated: 2018-05-01
Comment: http://www.endoffice.com
Ref: https://rdap.arin.net/registry/entity/JC-328
OrgAbuseHandle: COPSO-ARIN
OrgAbuseName: Copson, Jay
OrgAbusePhone: +1-978-344-2656
OrgAbuseEmail: 
@endoffice.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COPSO-ARIN
OrgNOCHandle: COPSO-ARIN
OrgNOCName: Copson, Jay
OrgNOCPhone: +1-978-344-2656
OrgNOCEmail: @endoffice.com
OrgNOCRef: https://rdap.arin.net/registry/entity/COPSO-ARIN
OrgTechHandle: COPSO-ARIN
OrgTechName: Copson, Jay
OrgTechPhone: +1-978-344-2656
OrgTechEmail: @endoffice.com
OrgTechRef: https://rdap.arin.net/registry/entity/COPSO-ARIN
# end
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#