IP Address Lookup

Whois information

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: Cogent Communications, LLC (COGC)
RegDate: 1991-04-16
Updated: 2025-09-23
Ref: https://rdap.arin.net/registry/ip/38.0.0.0

OrgName: Cogent Communications, LLC
OrgId: COGC
Address: 2450 N Street NW
City: Washington
StateProv: DC
PostalCode: 20037
Country: US
RegDate: 2000-05-30
Updated: 2025-09-23
Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref: https://rdap.arin.net/registry/entity/COGC

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

NetRange: 38.112.0.0 - 38.119.255.255
CIDR: 38.112.0.0/13
NetName: COGENT-NB-0002
NetHandle: NET-38-112-0-0-1
Parent: COGENT-A (NET-38-0-0-0-1)
NetType: Reallocated
OriginAS:
Organization: PSINet, Inc. (PSI)
RegDate: 2003-08-20
Updated: 2025-05-16
Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv
Comment:
Comment: Reassignment information for this block can be found at rwhois.cogentco.com 4321
Ref: https://rdap.arin.net/registry/ip/38.112.0.0

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: 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

NetRange: 38.114.218.0 - 38.114.218.255
CIDR: 38.114.218.0/24
NetName: QUESTMARK-CGNT-NET-1
NetHandle: NET-38-114-218-0-1
Parent: COGENT-NB-0002 (NET-38-112-0-0-1)
NetType: Reallocated
OriginAS:
Organization: QuestMark Information Management, Inc. (QIM-6)
RegDate: 2026-08-17
Updated: 2026-08-24
Comment: -----BEGIN CERTIFICATE-----
Comment: MIID8jCCAtqgAwIBAgIUMuiK5AKsgIeQi9vgGAEXwbhW/oMwDQYJKoZIhvcNAQEL
Comment: BQAwgZgxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJUWDEQMA4GA1UEBwwHSG91c3Rv
Comment: bjEvMC0GA1UECgwmUXVlc3RtYXJrIEluZm9ybWF0aW9uIE1hbmFnZW1lbnQsIElu
Comment: Yy4xFjAUBgNVBAMMDXF1ZXN0bWFyay5jb20xITAfBgkqhkiG9w0BCQEWEml0YWxl
Comment: cnRAcWltaW5jLmNvbTAeFw0yNjA4MTgxODE5NDFaFw0yNjExMTYxODE5NDFaMIGY
Comment: MQswCQYDVQQGEwJVUzELMAkGA1UECAwCVFgxEDAOBgNVBAcMB0hvdXN0b24xLzAt
Comment: BgNVBAoMJlF1ZXN0bWFyayBJbmZvcm1hdGlvbiBNYW5hZ2VtZW50LCBJbmMuMRYw
Comment: FAYDVQQDDA1xdWVzdG1hcmsuY29tMSEwHwYJKoZIhvcNAQkBFhJpdGFsZXJ0QHFp
Comment: bWluYy5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDhs93jMiyK
Comment: k9TgOQD5B+BO4FM6DjQw6V9RGc931MZigUmmZ1MceuSgJP1xxEh6doHLtLF6mT/w
Comment: mdOHTxXkBPL3FBjSvto1ohEzpp0CyBgXnCVzGIAOiGIWQu5ajj6GXGDxtr+CdOvC
Comment: /ukZsgHm92NrxqGD1Gqfy0nq3jSbjb4KoZwVvZ2RtDxb7juD8ido/qLXGZzPSwJV
Comment: tyKG7Nh+oN3ehXw0chG7aM8YhpjEC8cBigsv4J7cTc5Q89Ou314hDwH+J1OrZlqc
Comment: jGxnuezrpkjwjK6sy0Xtk8P4dDadA2kSTUuAkMJQky0rG9oKXbI42QA06npe0eN8
Comment: O2LEavDRbHpXAgMBAAGjMjAwMB0GA1UdDgQWBBTMBK1nWnv+Ct/MJKgP5JW31AeV
Comment: WDAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQAGwoKyjQbyyLkh
Comment: JJPK4x4zzYJOi75GroKUsUwldlm+7DK7i5QHFBr6I+i44vpyAARoz5hsrqyVu5Yb
Comment: sqDBykoPPD+55oPCt01JgpRm2mwNTqWkCMsUaEmDlZgE9LSRqszqhOSpjeyCAk0z
Comment: tsPAKkULlvwM4AlQZYHig+f2D27NfNSu6j0uxNDl97BVsxv5NNiAQ4VDaXy2rMgF
Comment: dmyHeU9T+8bTC2l4KTk3oOKOgh5DOLAe9ShO3fs0xKwwFm2amkPPWG87PZktfMDN
Comment: TiV9pgW2zIEbb9hhPIiNcRMtG0RwTkLXN5Lk9hbx1VKPwAZDGV7r3lXaf3AffCRf
Comment: Vti+CiUR
Comment: -----END CERTIFICATE-----
Ref: https://rdap.arin.net/registry/ip/38.114.218.0

OrgName: QuestMark Information Management, Inc.
OrgId: QIM-6
Address: 9440 Kirby Dr
City: Houston
StateProv: TX
PostalCode: 77054
Country: US
RegDate: 2026-06-02
Updated: 2026-08-24
Comment: http://www.questmark.com
Comment: https://esp1.espview.com/geofeed/geofeed.csv
Ref: https://rdap.arin.net/registry/entity/QIM-6

OrgAbuseHandle: PACHT-ARIN
OrgAbuseName: Pacht, Yaron
OrgAbusePhone: +1-713-662-9022
OrgAbuseEmail: yaronp@questmark.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/PACHT-ARIN

OrgNOCHandle: BANKS163-ARIN
OrgNOCName: Banks, Ethan
OrgNOCPhone: +1-713-662-9022
OrgNOCEmail: arin@qiminc.com
OrgNOCRef: https://rdap.arin.net/registry/entity/BANKS163-ARIN

OrgTechHandle: PACHT-ARIN
OrgTechName: Pacht, Yaron
OrgTechPhone: +1-713-662-9022
OrgTechEmail: yaronp@questmark.com
OrgTechRef: https://rdap.arin.net/registry/entity/PACHT-ARIN

OrgAbuseHandle: BANKS163-ARIN
OrgAbuseName: Banks, Ethan
OrgAbusePhone: +1-713-662-9022
OrgAbuseEmail: arin@qiminc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/BANKS163-ARIN

OrgDNSHandle: BANKS163-ARIN
OrgDNSName: Banks, Ethan
OrgDNSPhone: +1-713-662-9022
OrgDNSEmail: arin@qiminc.com
OrgDNSRef: https://rdap.arin.net/registry/entity/BANKS163-ARIN

OrgTechHandle: BANKS163-ARIN
OrgTechName: Banks, Ethan
OrgTechPhone: +1-713-662-9022
OrgTechEmail: arin@qiminc.com
OrgTechRef: https://rdap.arin.net/registry/entity/BANKS163-ARIN

OrgRoutingHandle: BANKS163-ARIN
OrgRoutingName: Banks, Ethan
OrgRoutingPhone: +1-713-662-9022
OrgRoutingEmail: arin@qiminc.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/BANKS163-ARIN

DNS BlackList results:

  • BL.SPAMCOP.NET Not Listed
  • SBL.SPAMHAUS.ORG Listed
  • B.BARRACUDACENTRAL.ORG Not Listed
  • SPAM.SPAMRATS.COM Not Listed
  • Z.MAILSPIKE.NET Not Listed
  • CBL.ABUSEAT.ORG Listed

Most recent complaints

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DNSBL* - is a list of IP addresses published through the Internet Domain Name Service (DNS) either as a zone file that can be used by DNS server software, or as a live DNS zone that can be queried in real-time. DNSBLs are most often used to publish the addresses of computers or networks linked to spamming; most mail server software can be configured to reject or flag messages which have been sent from a site listed on one or more such lists.

WHOIS** - is a query/response protocol that is widely used for querying databases in order to determine the registrant or assignee of Internet resources, such as a domain name, an IP address block, or an autonomous system number. WHOIS lookups were traditionally performed with a command line interface application, and network administrators predominantly still use this method, but many simplified web-based tools exist. WHOIS services are typically communicated using the Transmission Control Protocol (TCP). Servers listen to requests on the well-known port number 43.

** Approximate Geographic Location - This is NOT the exact geographical location of the person/organization with the given IP address. However, this should still give you a good idea about the area/region where this person/orgranization is located.