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Country

San Marino

Europe SM
IPv4 addresses
50,881
CIDR ranges
104
Global rank · IPv4
#190 of 250
ASNs
15
Organizations
14
Regions / states
9

Top ASNs

ASNNameIPs
AS15433 Telecom Italia San Marino S.p.A 20.2K
AS39759 Passepartout s.p.a. 7.4K
AS196874 Telenet S.r.l. 3.1K
AS34468 S.P.A. Societa' Servizi Informatici Sammarinesi - S.S.I.S. 1.0K
AS199325 Semplify Srl 1.0K
AS201852 Bluindaco S.R.L. 1.0K
AS203201 Infrastructure Italia Colo S.r.l. 1.0K
AS16509 Amazon.com, Inc. 768
AS211619 MAXKO d.o.o. 512
AS42 WoodyNet, Inc. 256
AS20746 TIM 256
AS201744 ByteFlare LTD 256
AS212841 Azienda Autonoma Di Stato Per I Servizi Pubblici 256
AS213557 Underscore S.r.l. 256
AS215511 Underscore S.r.l. 256

Regions / states / provinces

Network composition

How San Marino's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By operator category
CategoryIPv4Share
ISP / Telecom 20.2K
89.8%
Hosting / Cloud 1.8K
8.0%
Enterprise 512
2.3%
By regional registry (RIR)
RegistryIPv4Share
RIPE NCC 45.3K
89.1%
ARIN 3.0K
5.9%
AFRINIC 1.8K
3.5%
APNIC 518
1.0%
LACNIC 256
0.5%
Prefix-size distribution (network ranges by block size)
/16–/19
2
/20–/22
17
/23
5
/24
18
/25–/28
13
/29–/32
49

Routing & security

Live BGP routing footprint for San Marino from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
456
Origin ASNs
18
RPKI-valid
28.9%
132 of 456 ROA-covered

RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →

Reverse-DNS, threat intelligence & internet health

How much of San Marino's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.

Reverse-DNS coverage
65.3%
33.2K IPs with a PTR
Internet adoption
97.4%
of population · 2024
Network outages
2
events · last 90d
65.3% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; outage detection from IODA / Georgia Tech.

Frequently Asked Questions

How many IPv4 addresses are allocated to San Marino?

San Marino has 50,881 IPv4 addresses allocated across 104 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.

What are the largest internet providers in San Marino?

The top organizations in San Marino by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 14 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in San Marino?

San Marino has 15 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is San Marino in?

San Marino is located in Europe. IP address allocations in this region are managed by RIPE NCC.

Last updated: 2026-07-18 14:55:33 UTC
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