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Autonomous System

AS58321

Oxylion Sp. z o.o.

Announced IPs
27,648
CIDR prefixes
12
ASN
AS58321

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.

53/100
Caution
How this score is built

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

⚠ 5 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS58321 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
195.114.1.0/24 AS41079, AS58321 2026-10-29 15:21:56
185.84.136.0/24 AS29522, AS58321 2026-10-29 15:21:56
194.169.227.0/24 AS29522, AS58321 2026-10-29 15:21:56
91.198.146.0/24 AS29522, AS58321 2026-10-29 15:21:56
193.218.154.0/24 AS41079, AS58321 2026-10-29 15:21:56

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 20-50Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-OXYLION

Present at 4 internet exchanges: Equinix Warsaw, POZIX, EPIX.Katowice, TPIX PL

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS58321 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.104.248.0/21 34,524 2026-10-30 18:10:44
185.34.76.0/22 32,806 2026-10-30 18:10:44
81.161.192.0/21 31,136 2026-10-30 18:10:44
81.161.192.0/20 30,461 2026-10-30 18:10:44
109.199.0.0/19 29,721 2026-10-30 18:10:44
195.3.232.0/22 29,489 2026-10-30 18:10:44
185.80.212.0/22 29,314 2026-10-30 18:10:44
91.232.44.0/23 29,017 2026-10-30 18:10:44
185.73.88.0/22 28,957 2026-10-30 18:10:44
193.242.168.0/23 28,536 2026-10-30 18:10:44
176.227.160.0/21 28,522 2026-10-30 18:10:44
109.207.48.0/20 28,451 2026-10-30 18:10:44
178.249.88.0/21 28,074 2026-10-30 18:10:44
81.161.200.0/21 26,929 2026-10-30 18:10:44
81.161.202.0/24 23,648 2026-09-18 22:38:11
81.161.192.0/24 22,817 2026-09-18 22:38:11
193.242.169.0/24 21,364 2026-10-28 15:40:00
91.198.146.0/24 19,669 2026-10-28 15:32:46
185.84.136.0/24 18,246 2026-10-28 15:32:46
194.169.227.0/24 17,478 2026-10-28 15:32:46
193.218.154.0/24 17,023 2026-10-28 15:32:46
194.187.203.0/24 2,499 2026-06-24 17:21:51
185.180.204.0/22 326 2026-08-27 09:19:27
94.152.255.0/24 221 2026-10-26 22:12:10
94.152.254.0/24 220 2026-10-26 22:12:10
193.218.153.0/24 62 2026-08-28 06:54:15
91.225.30.0/24 54 2026-10-26 22:12:10
195.114.1.0/24 37 2026-10-28 15:32:46
93.157.96.0/21 37 2026-10-26 21:25:42
91.239.66.0/23 35 2026-07-23 09:53:31
94.152.205.0/24 25 2026-06-29 23:51:19
193.17.184.0/24 21 2026-07-23 09:53:31
91.234.146.0/24 21 2026-07-23 09:53:31
91.237.52.0/24 21 2026-07-23 09:53:31
81.161.192.173/32 5 2026-10-05 20:03:15
81.161.204.52/32 3 2026-10-19 16:18:04
81.161.202.53/32 3 2026-09-28 14:26:21
81.161.202.73/32 3 2026-09-28 16:40:10
81.161.202.116/32 3 2026-10-24 16:13:45
81.161.192.0/32 2 2026-10-03 15:03:33
81.161.202.108/32 1 2026-10-05 00:25:52
81.161.192.174/32 1 2026-10-09 20:28:21

Frequently Asked Questions

What is AS58321?

AS58321 is an Autonomous System Number assigned to Oxylion Sp. z o.o.. 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 AS58321 announce?

AS58321 announces 27.6K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Poland.

Who operates AS58321?

AS58321 is operated by Oxylion Sp. z o.o.. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.

What country is AS58321 registered in?

AS58321 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-30 18:24:06 UTC
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