List of the top 20 organizations with the largest IP allocations in Vatican
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Holy See - Vatican City State | 9,216 | 232 | 1 | 3 | |
| Dicastero per la Comunicazione | 2,560 | 235 | 1 | 6 | |
| Biblioteca Apostolica Vaticana | 512 | 0 | 1 | 1 |