AS204949 CMIS s.r.o.

Czechia CMIS RIPE 7 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

2,560

IPv6 /48 networks

RPKI

7 valid0 no ROA

Peers and downstreams

Holder

AS name: CMIS
Description: CMIS s.r.o.
Organisation: CMIS s.r.o.
Abuse contact: abuse@cmis.cz
Assigned: 2017-11-30
Registered: 2017-12-01
Record last changed: 2026-09-02 08:42 UTC

176.53.145.0/24 185.193.243.0/24 185.219.168.0/22 213.134.10.0/24 89.23.125.0/24 91.220.20.0/24 91.241.77.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

pass	Prefixes covered by valid ROAs 7 of 7 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@cmis.cz is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-09-02.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/204949"><img src="https://ip-fd.net/badge/asn/204949/health.svg" alt="AS204949 network health on IP-FD.net"></a>

Markdown

[![AS204949 network health](https://ip-fd.net/badge/asn/204949/health.svg)](https://ip-fd.net/asn/204949)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-05 02:06 UTC	Neighbour gone	AS22356	upstream
2026-10-05 02:06 UTC	Neighbour gone	AS8881	upstream
2026-10-05 02:06 UTC	Relationship changed	AS8218	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS6663	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 02:06 UTC	New neighbour	AS29208	upstream
2026-10-05 02:06 UTC	Relationship changed	AS264409	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS263444	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS20562	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS1764	upstream to peer
2026-10-05 02:06 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS204949
as-name:        CMIS
org:            ORG-CISS8-RIPE
admin-c:        CMIS
tech-c:         CMIS
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-cmis-1-mnt
created:        2017-12-01T08:34:53Z
last-modified:  2026-09-02T08:42:45Z
source:         RIPE
% 6 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/204949

const res = await fetch('https://ip-fd.net/api/v1/asn/204949', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/204949', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204949');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/204949", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS6939	Hurricane Electric LLC HURRICANE
AS29208	Quantcom, a.s. QUANTCOM-AS
AS39392	SH.cz s.r.o. SuperNetwork

AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS4455	IX Reach Ltd BSO
AS6204	TMRC GROUP SRL ZET-NET
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6881	NIX.CZ z.s.p.o. NIXCZ
AS8218	Zayo Infrastructure France SA NEO-ASN
AS14840	BR.Digital Telecom AS14840
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS24482	SG.GS SGGS-AS-AP
AS29504	Freenet Liberec, z.s. LBCFREE
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation LINZAG-TELEKOM-AS
AS36236	NetActuate, Inc NETACTUATE
AS37721	Virtual Technologies & Solutions
AS40994	Hohl IT e.U. Alwyzon
AS47692	Nessus GmbH NESSUS
AS49544	i3D.net B.V i3Dnet
AS51184	Fonira Telekom GmbH FONIRA
AS59890	Kabel-TV Lampert GmbH & Co KG Kabel-TV-Lampert
AS198150	SIACOM JSC SIACOM-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS263444	Open X Tecnologia Ltda AS263444
AS264409	Huge Solucoes Corporativas Ltda AS264409