A list of all San Marino ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS15433 | ISP & Mobile | 79 | 0 | Telecom Italia San Marino S.p.A |
| AS39759 | Other Business | 17 | 0 | Passepartout s.p.a. |
| AS48345 | Other Business | 6 | 4 | Abavia S.r.l. |
| AS199325 | Hosting Provider | 4 | 0 | Semplify Srl |
| AS201852 | Other Business | 3 | 0 | Bluindaco S.R.L. |
| AS196874 | Other Business | 2 | 0 | Telenet S.r.l. |
| AS212841 | Government | 1 | 0 | AZIENDA AUTONOMA DI STATO PER I SERVIZI PUBBLICI |
| AS213557 | Other Business | 1 | 0 | Underscore S.r.l. |
| AS215511 | Other Business | 1 | 0 | Underscore S.r.l. |
| AS34468 | Hosting Provider | 1 | 0 | S.P.A. Societa' Servizi Informatici Sammarinesi - S.S.I.S. |