KISA WHOIS

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Last updated Jun 30, 2026

kisa-whois-ip

Look up registration and assignment information of an IP address managed by KRNIC from the KISA WHOIS service.

kisa-whois-ip ip=IP [profile=PROFILE] [locale=LOCALE]
ip=IP
Target IP address (IPv4 or IPv6)
profile=PROFILE
KISA WHOIS connect profile code (queries all profiles if omitted)
locale=LOCALE
Output language: ko or en (default: ko). Overseas IPs return only registry and country.

Output Fields

FieldTypeNameDescription
ip_typeStringQuery typeType of the queried resource
registryStringRegistryRegistry responsible for the resource
countryStringCountryISO 2 country code
ip_rangeStringIP rangeAssignee allocated IP range
cidrStringCIDRAssignee CIDR prefix length
network_typeStringNetwork typeAssignee network type
org_nameStringOrganizationAssignee organization name
org_idStringOrganization IDAssignee organization ID
org_addressStringOrganization addressAssignee organization address
org_postal_codeStringOrganization postal codeAssignee organization postal code
createdDateCreatedAssignee registration date
tech_nameStringTech contact nameAssignee technical contact name
tech_phoneStringTech contact phoneAssignee technical contact phone
tech_emailStringTech contact emailAssignee technical contact email
provider_typeStringProvider typeUpstream allocation type: PI (Provider-Independent) or ISP
provider_ip_rangeStringProvider IP rangeUpstream allocated IP range
provider_cidrStringProvider CIDRUpstream CIDR prefix length
provider_service_nameStringProvider service nameUpstream network service name
provider_org_nameStringProvider organizationUpstream allocation holder organization name (independent user or ISP)
provider_org_idStringProvider organization IDUpstream organization ID
provider_org_addressStringProvider organization addressUpstream organization address
provider_org_postal_codeStringProvider organization postal codeUpstream organization postal code
provider_createdDateProvider createdUpstream allocation registration date
provider_tech_nameStringProvider tech contact nameUpstream technical contact name
provider_tech_phoneStringProvider tech contact phoneUpstream technical contact phone
provider_tech_emailStringProvider tech contact emailUpstream technical contact email