AS42763 FPUH Czajen Krzysztof Czaja

Poland CZAJEN RIPE 17 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

3,584

IPv6 /48 networks

RPKI

17 valid0 no ROA

Peers and downstreams

Holder

AS name: CZAJEN
Description: FPUH Czajen Krzysztof Czaja
Organisation: FPUH Czajen Krzysztof Czaja
Registered in: Mielec, Poland
Abuse contact: abuse@czajen.pl
Assigned: 2007-04-11
Registered: 2007-04-12
Record last changed: 2018-09-04 10:23 UTC

193.33.174.0/23 193.33.174.0/24 193.33.175.0/24 77.87.0.0/21 77.87.0.0/24 77.87.1.0/24 77.87.2.0/24 77.87.3.0/24 77.87.4.0/24 77.87.5.0/24 77.87.6.0/24 77.87.7.0/24 91.193.120.0/22 91.193.120.0/24 91.193.121.0/24 91.193.122.0/24 91.193.123.0/24

Routing changes

Last 30 days

2026-10-04 04:01 UTC	Neighbour gone	AS35320	upstream
2026-10-04 04:01 UTC	Relationship changed	AS24115	upstream to peer
2026-10-04 04:01 UTC	New neighbour	AS202520	upstream
2026-10-04 04:01 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS42763
as-name:        CZAJEN
org:            ORG-CZA1-RIPE
admin-c:        KC960-RIPE
tech-c:         KC960-RIPE
status:         ASSIGNED
mnt-by:         AP-MEDIA-MNT
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         czajen-mnt
created:        2007-04-12T13:31:23Z
last-modified:  2018-09-04T10:23:26Z
source:         RIPE
sponsoring-org: ORG-ASZO80-RIPE
% 4 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/42763

const res = await fetch('https://ip-fd.net/api/v1/asn/42763', {
  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/42763', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/42763');
curl_setopt($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/42763", 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
AS12912	T-Mobile Polska S.A. TMPL
AS198424	HLG Internet Sp. z o.o. HLG-AS
AS202520	SkyPass Solutions Sp. z o.o. SKYPASS-AS

AS43326	Fundacja Nasza Wizja NASZAWIZJA
AS52110	IPC ROMAN ROMANOWSKI IPC-SANOK-AS

AS24115	Equinix ASN-EQIX-MLPE
AS24482	SG.GS SGGS-AS-AP
AS36236	NetActuate, Inc NETACTUATE
AS49544	i3D.net B.V i3Dnet
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP