| Organization | Blocks | Addresses | First registered |
|---|---|---|---|
| National Radio & Telecommunication Corporation - NRTC | 2 | 1.1 million | 24 Oct 2018 |
| MT-LINK TECHNOLOGIES CO | 1 | 1 million | 17 Jul 2026 |
| BELLCO TRADING COMPANY (PVT) LTD | 1 | 4.1 thousand | 17 Dec 2021 |
| CARE PVT LTD | 1 | 4.1 thousand | 21 Feb 2016 |
| Rapidev Pvt Ltd | 1 | 4.1 thousand | 13 Jan 2022 |
| Streaming Networks | 1 | 4.1 thousand | 30 Jul 2008 |
Every organization with blocks registered in Pakistan, sorted by total address space.