Skip to main content
Autonomous System

AS56550

Stel S.r.l.

Announced IPs
12,800
CIDR prefixes
18
ASN
AS56550

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record RIPE::AS-STEL

Present at 5 internet exchanges: MIX-IT, Namex Rome: VLAN Peering, VSIX: Primary, MIX Bologna, SSIX

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS56550 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
95.142.208.0/21 39,590 2026-10-14 10:25:11
188.241.154.0/24 39,241 2026-10-14 10:25:11
128.0.122.0/23 39,143 2026-10-14 10:25:11
89.33.133.0/24 39,137 2026-10-14 10:25:11
94.177.127.0/24 39,061 2026-10-14 10:25:11
128.0.124.0/22 39,050 2026-10-14 10:25:11
109.230.212.0/24 39,025 2026-10-14 10:25:11
185.163.172.0/22 38,960 2026-10-14 10:25:11
185.8.24.0/22 38,947 2026-10-14 10:25:11
93.117.152.0/23 38,931 2026-10-14 10:25:11
185.157.52.0/22 38,860 2026-10-14 10:25:11
93.115.62.0/23 37,602 2026-10-14 10:25:11
31.214.153.0/24 35,603 2026-10-14 10:25:11
31.177.40.0/21 17,903 2026-10-14 10:25:11
89.32.186.0/23 17,769 2026-10-14 10:25:11
93.117.172.0/23 17,756 2026-10-14 10:25:11
31.14.28.0/24 17,657 2026-10-14 10:25:11
46.102.188.0/23 16,156 2026-10-14 10:25:11
185.196.48.0/22 399 2026-08-13 10:47:08

Frequently Asked Questions

What is AS56550?

AS56550 is an Autonomous System Number assigned to Stel S.r.l.. 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 AS56550 announce?

AS56550 announces 12.8K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in Italy.

Who operates AS56550?

AS56550 is operated by Stel S.r.l.. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.

What country is AS56550 registered in?

AS56550 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-14 10:39:05 UTC
Share