38.101.166.0 is an IP version 4.

The IP is from United States (US)

AS Number: 174 AS Description: COGENT-174, US

NET-38-101-166.monitorcoop.com

# # 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: 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 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 # # 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. # Found a referral to rwhois.cogentco.com:4321. #rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1) network:ID:NET4-2665A60018 network:Network-Name:NET4-2665A60018 network:IP-Network:38.101.166.0/24 network:Org-Name:Coltontel network:Street-Address:921 SOUTHWEST WASHINGTON STREET network:City:PORTLAND network:State:OR network:Country:US network:Postal-Code:97205 network:Tech-Contact:ZC108-ARIN network:Updated:2025-04-29 23:01:11 #ok