#
# 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.
#

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:
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: 38.0.0.0" target="_blank" rel="nofollow">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

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

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

#
# 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.
#

%rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1)
network:ID:NET4-2664760018
network:Network-Name:NET4-2664760018
network:IP-Network:38.100.118.0/24
network:Org-Name:UpCloud Chicago Inc
network:Street-Address:427 S LASALLE ST
network:City:CHICAGO
network:State:IL
network:Country:US
network:Postal-Code:60605
network:Tech-Contact:ZC108-ARIN
network:Updated:2025-04-29 23:01:11
%ok