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Autonomous System

AS200918

Pavel Zizka

Announced IPs
5,376
CIDR prefixes
7
ASN
AS200918

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 →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Present at 3 internet exchanges: EPIX.Katowice, EPIX.Warszawa, TPIX PL

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
45.145.220.0/22 1.0K
73.4%
Pavel Zizka CZ
185.91.116.0/22 1.0K
50.2%
Pavel Zizka ES
185.126.196.0/22 1.0K
94.4%
Pavel Zizka CZ
185.186.36.0/22 1.0K
20.4%
Pavel Zizka CZ
185.30.160.0/23 512
97.5%
Pavel Zizka ES
185.32.182.0/23 512
95.9%
Pavel Zizka ES
185.186.36.0/23 512
0.0%
CZ
185.186.38.0/23 512
0.0%
PL Opole Voivodeship Prudnik
195.22.119.0/24 256
0.0%
Pavel Zizka PL Lower Silesia Kamienna Góra

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS200918 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.186.37.0/24 27,001 2026-07-18 11:38:00
185.186.36.0/24 26,647 2026-07-18 11:38:00
185.186.39.0/24 13,604 2026-07-18 10:52:53
185.186.38.0/24 13,578 2026-07-18 10:52:53
195.22.119.0/24 13,508 2026-07-18 10:52:53
45.145.220.0/22 4,922 2026-07-18 11:38:00
185.30.160.0/23 4,763 2026-07-18 11:38:00
185.91.116.0/22 4,762 2026-07-18 11:38:00
185.32.182.0/23 4,762 2026-07-18 11:38:00
185.126.196.0/22 4,753 2026-07-18 11:34:30
185.186.38.36/32 2 2026-06-22 14:26:09
185.186.38.227/32 2 2026-06-03 13:31:50
185.186.38.226/32 2 2026-06-02 16:45:44
185.186.39.206/32 2 2026-07-17 17:03:06

Frequently Asked Questions

What is AS200918?

AS200918 is an Autonomous System Number assigned to Pavel Zizka. 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 AS200918 announce?

AS200918 announces 5.4K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Czechia.

Who operates AS200918?

AS200918 is operated by Pavel Zizka. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.

What country is AS200918 registered in?

AS200918 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:40:32 UTC
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