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Autonomous System

AS204949

CMIS s.r.o.

Announced IPs
2,560
CIDR prefixes
7
ASN
AS204949

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Traffic level 1-5Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open

Present at 1 internet exchange: NIX.CZ: Public peering VLAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.219.168.0/22 1.0K
10.6%
CMIS s.r.o. CZ Prague Prague
89.23.125.0/24 256
2.3%
CMIS s.r.o. CZ
91.220.20.0/24 256
0.0%
CMIS s.r.o. CZ
91.241.77.0/24 256
0.0%
CMIS s.r.o. CZ
176.53.145.0/24 256
0.0%
CMIS s.r.o. CZ
185.193.243.0/24 256
0.0%
CMIS s.r.o. CZ
213.134.10.0/24 256
0.0%
CMIS s.r.o. CZ

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS204949 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
91.241.77.0/24 4,271 2026-08-02 09:06:35
91.220.20.0/24 4,261 2026-08-02 09:06:35
185.219.168.0/22 4,243 2026-08-02 09:06:35
185.193.243.0/24 4,241 2026-08-02 09:06:35
176.53.145.0/24 4,235 2026-08-02 09:06:35
89.23.125.0/24 4,226 2026-08-02 13:29:43
213.134.10.0/24 4,201 2026-08-02 09:06:35

Frequently Asked Questions

What is AS204949?

AS204949 is an Autonomous System Number assigned to CMIS s.r.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 AS204949 announce?

AS204949 announces 2.6K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Czechia.

Who operates AS204949?

AS204949 is operated by CMIS s.r.o.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.

What country is AS204949 registered in?

AS204949 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-02 13:55:31 UTC
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