AS24806 INTERNET CZ, a.s.

Czechia INTERNET-CZ RIPE 13 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

45,824

IPv6 /48 networks

65,536

RPKI

14 valid0 no ROA

Peers and downstreams

Holder

AS name: INTERNET-CZ
Description: Ktis 2, 384 03 Ktis, CZ
Organisation: INTERNET CZ, a.s.
Abuse contact: abuse@forpsi.com
Assigned: 2002-04-03
Registered: 2002-09-24
Record last changed: 2025-03-20 15:09 UTC

185.129.136.0/22 185.186.20.0/22 185.28.100.0/22 185.28.101.0/24 185.33.144.0/22 193.105.157.0/24 193.105.158.0/23 194.182.64.0/19 194.182.90.0/24 195.181.208.0/20 80.211.192.0/19 81.2.192.0/18 85.255.0.0/20

Routing changes

Last 30 days

2026-10-04 07:33 UTC	Neighbour gone	AS19905	upstream
2026-10-04 07:33 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS31034	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS21215	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS16019	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS15576	upstream to peer
2026-10-04 07:33 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 07:33 UTC	Prefix gone	81.2.235.0/24
2026-10-04 07:33 UTC	Prefix gone	81.2.196.0/24
2026-10-04 07:33 UTC	Prefix gone	81.2.195.0/24
2026-10-04 07:33 UTC	Prefix gone	80.211.210.0/24
2026-10-04 07:33 UTC	Prefix gone	80.211.209.0/24
2026-10-04 07:33 UTC	Prefix gone	80.211.207.0/24
2026-10-04 07:33 UTC	Prefix gone	80.211.203.0/24
2026-10-04 07:33 UTC	Prefix gone	194.182.87.0/24
2026-10-04 07:33 UTC	Prefix gone	194.182.85.0/24
2026-10-04 07:33 UTC	Prefix gone	194.182.77.0/24
2026-10-04 07:33 UTC	New prefix	194.182.90.0/24
2026-10-04 07:33 UTC	New prefix	185.28.101.0/24

WHOIS

aut-num:        AS24806
org:            ORG-ICa1-RIPE
as-name:        INTERNET-CZ
descr:          Ktis 2, 384 03 Ktis, CZ
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        peering contact: peering@forpsi.com
remarks:        noc contact: noc@forpsi.com
admin-c:        ES4377-RIPE
tech-c:         PK677-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         FK4606-RIPE
mnt-by:         INTERNET-CZ-MNT
created:        2002-09-24T10:40:59Z
last-modified:  2025-03-20T15:09:39Z
source:         RIPE
% 151 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/24806

const res = await fetch('https://ip-fd.net/api/v1/asn/24806', {
  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/24806', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/24806');
curl_setopt($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/24806", 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.

AS174
AS1299	Arelion Sweden AB TWELVE99
AS6939	Hurricane Electric LLC HURRICANE

AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
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
AS15576	NTS workspace AG NTS
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS16019	Vodafone Czech Republic a.s. VODAFONE-CZ-AS
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS29504	Freenet Liberec, z.s. LBCFREE
AS31034	Aruba S.p.A. ARUBA-ASN
AS36236	NetActuate, Inc NETACTUATE
AS40994	Hohl IT e.U. Alwyzon
AS47692	Nessus GmbH NESSUS
AS49544	i3D.net B.V i3Dnet
AS51184	Fonira Telekom GmbH FONIRA
AS198150	SIACOM JSC SIACOM-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS264409	Huge Solucoes Corporativas Ltda AS264409