AS15433 Tism Telecom Italia San Marino S.p.A

Tism Telecom Italia San Marino S.p.A · registered in San Marino

IPv4 addresses20,2249 prefixes · <0.001% of announced IPv4

Rank in San Marino#1largest network in SM by IPv4 space, of 10 · 53.38% of SM

Rank worldwide#6,127of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySan Marino10 ASNs registered there

Open AS15433 in ASN lookup Look up an IP in this network (31.193.32.1) All networks in San Marino

IPv4 prefixes

All 9 prefixes, in address order.

31.193.32.0/21
77.242.208.0/20
85.155.144.0/22
109.235.104.0/21
185.45.40.0/22
185.45.68.0/22
185.86.61.0/24
185.86.62.0/23
194.183.64.0/19

Similar-sized networks in San Marino

ASNNameIPv4 addresses

AS39759#2 Passepartout Passepartout s.p.a.7,424

AS48345#3 AS-ABAVIA Abavia S.r.l.3,328

AS196874#4 TELENET-RSM Telenet S.r.l.3,072

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources