Registrar IANA ID
注册商IANA编号

https://knowledge.whoisxmlapi.com/what-is-registrar-iana-id
注册商 IANA ID 是 ICANN 分配给其经认可的注册商的唯一编号。IANA在向世界各地的域名注册管理机构分配顶级域名方面发挥着关键作用，同时也是注册商ID分配的管理者。

有关注册商 ID 的完整列表，请访问：
https://www.iana.org/assignments/registrar-ids/registrar-ids.xhtml。

https://knowledge.whoisxmlapi.com/what-is-registrar-iana-id
Registrar IANA ID is a unique number allocated by ICANN to its accredited registrars. IANA, with its key role of allocating Top-Level Domains to domain registries around the world, also serves as the manager of the Registrar IDs assignment.

A full list of Registrar IDs can be found at:
https://www.iana.org/assignments/registrar-ids/registrar-ids.xhtml.