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Autonomous System

AS31368

Astelnet Ltd.

Announced IPs
1,280
CIDR prefixes
2
ASN
AS31368

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.173.156.0/22 1.0K
0.3%
Astelnet Ltd. CZ
89.107.128.0/24 256
4.3%
Astelnet Ltd. CZ

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS31368 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
89.107.128.0/24 16,816 2026-08-03 22:58:01
185.173.156.0/24 16,657 2026-08-03 22:58:01
185.173.157.0/24 16,650 2026-08-03 22:58:01
185.173.158.0/24 16,562 2026-08-03 22:58:01
185.173.159.0/24 16,531 2026-08-03 22:58:01

Frequently Asked Questions

What is AS31368?

AS31368 is an Autonomous System Number assigned to Astelnet Ltd.. 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 AS31368 announce?

AS31368 announces 1.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Czechia.

Who operates AS31368?

AS31368 is operated by Astelnet Ltd.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.

What country is AS31368 registered in?

AS31368 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-03 23:25:32 UTC
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