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Autonomous System

AS43927

Hosterion Srl

Announced IPs
12,288
CIDR prefixes
12
ASN
AS43927

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Traffic level 1-5Gbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Open
IRR record AS-HOSTERION

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS43927 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.125.110.0/23 537,359 2026-09-15 03:44:25
185.250.104.0/24 460,971 2026-09-15 03:44:25
185.250.105.0/24 420,600 2026-09-15 03:44:25
185.125.109.0/24 399,580 2026-09-15 03:44:25
185.250.106.0/24 163,132 2026-09-15 03:44:25
185.250.107.0/24 150,264 2026-09-15 03:44:25
185.125.110.0/24 27,209 2026-09-15 03:32:16
185.125.111.0/24 27,172 2026-09-15 03:32:16
77.81.240.0/21 26,774 2026-09-15 03:41:15
91.188.225.0/24 26,555 2026-09-15 03:40:28
185.125.108.0/24 25,637 2026-09-15 03:41:03
185.199.173.0/24 23,639 2026-09-15 03:32:16
93.113.174.0/24 20,463 2026-09-15 03:40:58
185.199.174.0/24 15,861 2026-09-15 03:35:20
91.188.224.0/24 15,679 2026-09-15 03:35:20
92.114.98.0/24 14,009 2026-09-15 03:40:58
188.240.47.0/24 13,682 2026-09-15 03:42:15
89.33.197.0/24 12,578 2026-09-15 03:40:58
91.188.226.0/24 12,571 2026-09-15 03:40:58
91.188.227.0/24 12,568 2026-09-15 03:40:58
188.241.112.0/21 12,491 2026-09-15 03:42:15
185.199.175.0/24 12,478 2026-09-15 03:41:47
185.199.172.0/24 12,462 2026-09-15 03:41:47
89.32.144.0/21 10,077 2026-09-15 03:32:10
185.105.32.0/22 10,007 2026-09-15 03:32:10
188.241.115.0/24 5,663 2026-09-15 03:42:15
77.81.243.0/24 4,704 2026-08-04 22:36:01
77.81.241.0/24 2,745 2026-07-11 19:13:27
188.241.112.0/24 2,376 2026-07-07 09:58:04
77.81.240.0/24 33 2026-09-07 09:06:57

Frequently Asked Questions

What is AS43927?

AS43927 is an Autonomous System Number assigned to Hosterion Srl. 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 AS43927 announce?

AS43927 announces 12.3K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Romania.

Who operates AS43927?

AS43927 is operated by Hosterion Srl. The organization is based in Romania. You can view all IP ranges and related ASNs on the organization page.

What country is AS43927 registered in?

AS43927 is registered in Romania. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-15 03:54:06 UTC
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