---
id: "pti"
kind: "glossary-term"
title: "PTI"
language: "en"
category: "Industry roles and organizations"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/pti/"
translations:
  es: "https://tldlog.com/es/glosario/pti/"
  de: "https://tldlog.com/de/glossar/pti/"
  fr: "https://tldlog.com/fr/glossaire/pti/"
  it: "https://tldlog.com/it/glossario/pti/"
  pt-BR: "https://tldlog.com/pt/glossario/pti/"
  ru: "https://tldlog.com/ru/glossariy/pti/"
  zh-Hans: "https://tldlog.com/zh/cihui/pti/"
---

# PTI

Public Technical Identifiers

An affiliate of ICANN that performs the IANA functions. These include managing changes to the root zone and keeping the registries of protocol numbers and IP address blocks. PTI handles requests to add or change TLDs in the root zone.

## related terms

- [IANA](https://tldlog.com/glossary/iana/)
- [ICANN](https://tldlog.com/glossary/icann/)
- [root zone](https://tldlog.com/glossary/root-zone/)
- [delegation (TLD)](https://tldlog.com/glossary/delegation/)