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Autonomous System

AS15433

Telecom Italia San Marino S.p.A

Announced IPs
20,224
CIDR prefixes
9
ASN
AS15433

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 10-20Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-TISM

Present at 1 internet exchange: MIX-IT

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
194.183.64.0/19 8.2K
52.5%
Telecom Italia San Marino S.p.A SM Domagnano Domagnano
77.242.208.0/20 4.1K
99.1%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
31.193.32.0/21 2.0K
98.6%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
109.235.104.0/21 2.0K
98.8%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
31.193.32.0/22 1.0K
98.6%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
85.155.144.0/22 1.0K
99.1%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
185.45.40.0/22 1.0K
99.2%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
185.45.68.0/22 1.0K
99.2%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
31.193.38.0/23 512
98.6%
Telecom Italia San Marino S.p.A SM — —
185.86.62.0/23 512
97.7%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
31.193.36.0/24 256
98.4%
Telecom Italia San Marino S.p.A SM — —
185.86.61.0/24 256
98.4%
Telecom Italia San Marino S.p.A SM Borgo Maggiore Borgo Maggiore
31.193.37.0/26 64
98.4%
Telecom Italia San Marino S.p.A SM — —
31.193.37.192/26 64
98.4%
Telecom Italia San Marino S.p.A SM — —
31.193.37.64/27 32
100.0%
Telecom Italia San Marino S.p.A SM — —
31.193.37.96/27 32
100.0%
Telecom Italia San Marino S.p.A IT — —
31.193.37.160/27 32
100.0%
Telecom Italia San Marino S.p.A SM — —
31.193.37.128/28 16
100.0%
Telecom Italia San Marino S.p.A SM — —
31.193.37.144/28 16
100.0%
Telecom Italia San Marino S.p.A IT — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS15433 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
77.242.216.0/24 26,894 2026-11-07 12:22:17
77.242.217.0/24 26,811 2026-11-07 12:22:17
31.193.37.0/24 26,748 2026-11-07 12:22:07
31.193.35.0/24 26,726 2026-11-07 12:22:07
31.193.33.0/24 26,718 2026-11-07 12:22:07
31.193.39.0/24 26,709 2026-11-07 12:22:07
31.193.34.0/24 26,704 2026-11-07 12:22:07
31.193.32.0/24 26,703 2026-11-07 12:22:07
31.193.36.0/24 26,696 2026-11-07 12:22:07
31.193.38.0/24 26,692 2026-11-07 12:22:07
77.242.218.0/24 26,619 2026-11-07 12:22:17
77.242.219.0/24 26,579 2026-11-07 12:22:17
77.242.212.0/24 26,565 2026-11-07 12:22:17
77.242.213.0/24 26,560 2026-11-07 12:22:17
77.242.210.0/24 26,499 2026-11-07 12:22:17
77.242.209.0/24 26,484 2026-11-07 12:22:17
77.242.208.0/24 26,478 2026-11-07 12:22:17
77.242.220.0/24 26,447 2026-11-07 12:22:17
77.242.215.0/24 26,431 2026-11-07 12:22:17
77.242.214.0/24 26,430 2026-11-07 12:22:17
77.242.221.0/24 26,426 2026-11-07 12:22:17
77.242.211.0/24 26,393 2026-11-07 12:22:17
77.242.222.0/24 26,362 2026-11-07 12:22:17
77.242.223.0/24 26,346 2026-11-07 12:22:17
85.155.144.0/24 26,274 2026-11-07 12:22:22
85.155.147.0/24 26,269 2026-11-07 12:22:22
85.155.146.0/24 26,265 2026-11-07 12:22:22
85.155.145.0/24 26,247 2026-11-07 12:22:22
109.235.111.0/24 26,004 2026-11-07 12:22:22
109.235.108.0/24 25,965 2026-11-07 12:22:22
109.235.107.0/24 25,963 2026-11-07 12:22:22
109.235.109.0/24 25,961 2026-11-07 12:22:22
109.235.105.0/24 25,947 2026-11-07 12:22:22
109.235.106.0/24 25,943 2026-11-07 12:22:22
109.235.104.0/24 25,931 2026-11-07 12:22:22
109.235.110.0/24 25,852 2026-11-07 12:22:22
185.86.61.0/24 24,680 2026-11-07 12:22:22
185.86.62.0/24 24,659 2026-11-07 12:22:22
185.45.42.0/24 24,645 2026-11-07 12:22:22
185.45.70.0/24 24,633 2026-11-07 12:22:22
185.45.40.0/24 24,632 2026-11-07 12:22:22
194.183.95.0/24 24,624 2026-11-07 12:22:22
185.45.43.0/24 24,618 2026-11-07 12:22:22
185.45.69.0/24 24,604 2026-11-07 12:22:22
185.45.41.0/24 24,602 2026-11-07 12:22:22
185.45.71.0/24 24,584 2026-11-07 12:22:22
194.183.94.0/24 24,563 2026-11-07 12:22:22
185.45.68.0/24 24,554 2026-11-07 12:22:22
185.86.63.0/24 24,502 2026-11-07 12:22:22
194.183.72.0/24 24,477 2026-11-07 12:22:22

Showing top 50 of 79 announced prefixes by sample volume.

Frequently Asked Questions

What is AS15433?

AS15433 is an Autonomous System Number assigned to Telecom Italia San Marino S.p.A. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS15433 announce?

AS15433 announces 20.2K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in San Marino.

Who operates AS15433?

AS15433 is operated by Telecom Italia San Marino S.p.A. The organization is based in San Marino. You can view all IP ranges and related ASNs on the organization page.

What country is AS15433 registered in?

AS15433 is registered in San Marino. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-07 12:24:07 UTC
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