# oid-base.com > Discover, search, and understand Object Identifiers (OIDs) effortlessly on OID-base.com. This online tool empowers you to explore 3 billions OIDs used in various domains like network management, cybersecurity, and more. Simplify your OID research with this comprehensive and up-to-date database. Gain insights into detailed descriptions to optimize your IT projects. ## Core Content - [Homepage](https://oid-base.com/index.htm): The main landing page. - [FAQ](https://oid-base.com/faq.htm): Frequently asked questions. - [Get an OID](https://oid-base.com/doc/apply-for-an-oid.htm): Apply for an OID. - [Country OIDs](https://oid-base.com/doc/country-OIDs.htm): Operation of a country Registration Authority. ## Top-level OIDs - [OID 0](https://oid-base.com/get-md/0): {itu-t(0)}. - [OID 1](https://oid-base.com/get-md/1): {iso(1)}. - [OID 2](https://oid-base.com/get-md/2): {joint-iso-itu-t(0)}. ## Optional - [Terms of use](https://oid-base.com/disclaimer.htm): Terms of use. - [Contact](https://oid-base.com/helper): How to get in touch. Last updated: 2025-08-02