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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 v1.3.0 — 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
185.125.110.0/23 786,629 2026-11-08 17:04:21
185.250.104.0/24 647,193 2026-11-08 17:04:22
185.250.105.0/24 590,395 2026-11-08 17:04:22
185.125.109.0/24 565,836 2026-11-08 17:04:22
185.250.106.0/24 244,662 2026-11-08 16:58:28
185.250.107.0/24 224,317 2026-11-08 16:58:28
91.188.225.0/24 40,331 2026-11-08 16:38:25
77.81.240.0/21 39,337 2026-11-08 16:27:19
185.125.108.0/24 39,279 2026-11-08 16:38:25
93.113.174.0/24 36,980 2026-11-08 16:28:37
185.125.110.0/24 33,926 2026-11-08 17:01:41
185.125.111.0/24 33,905 2026-11-08 17:01:41
185.199.173.0/24 32,346 2026-11-08 15:50:38
92.114.98.0/24 24,924 2026-11-08 16:28:37
188.240.47.0/24 24,355 2026-11-08 16:28:37
185.199.174.0/24 24,013 2026-11-08 16:41:40
91.188.224.0/24 23,231 2026-11-08 16:41:40
89.33.197.0/24 22,262 2026-11-08 16:28:37
91.188.226.0/24 22,200 2026-11-08 16:28:37
91.188.227.0/24 22,195 2026-11-08 16:28:37
185.199.175.0/24 21,849 2026-11-08 16:28:37
185.199.172.0/24 21,819 2026-11-08 16:28:37
188.241.112.0/21 21,813 2026-11-08 16:28:37
185.105.32.0/22 15,679 2026-11-08 16:25:14
89.32.144.0/21 15,523 2026-11-08 16:25:14
188.241.115.0/24 13,744 2026-11-08 15:19:57
188.241.116.0/24 10,933 2026-11-08 15:19:57
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
188.241.113.0/24 2,520 2026-10-17 03:22:00
77.81.242.0/24 2,442 2026-09-21 10:06:24
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
89.33.246.128/26 1 2026-10-08 17:06:19

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: 2026-11-08 17:09:05 UTC
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