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Autonomous System

AS8865

Politechnika Bialostocka

Announced IPs
22,016
CIDR prefixes
8
ASN
AS8865

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 20-50Gbps
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
IRR record AS8865:AS-BIALYSTOK

Present at 1 internet exchange: PIONIER-IX

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS8865 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
37.128.152.0/21 8,393 2026-07-23 17:49:30
82.139.128.0/20 7,783 2026-07-23 17:49:30
82.139.176.0/21 7,458 2026-07-23 17:49:30
82.139.168.0/21 7,458 2026-07-23 17:49:30
82.139.128.0/19 7,450 2026-07-23 17:49:30
82.139.144.0/23 7,398 2026-07-23 17:49:30
82.139.152.0/22 7,384 2026-07-23 17:49:30
212.33.64.0/19 7,372 2026-07-23 17:49:30

Frequently Asked Questions

What is AS8865?

AS8865 is an Autonomous System Number assigned to Politechnika Bialostocka. 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 AS8865 announce?

AS8865 announces 22.0K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Poland.

Who operates AS8865?

AS8865 is operated by Politechnika Bialostocka. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.

What country is AS8865 registered in?

AS8865 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 18:55:31 UTC
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