AS50550 K3 Telecom Sp. z o.o.

Poland K3 RIPE 6 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

1,536

IPv6 /48 networks

RPKI

0 valid6 no ROA

Peers and downstreams

Holder

AS name: K3
Description: K3 Telecom Sp. z o.o.
Organisation: K3 Telecom Sp. z o.o.
Abuse contact: biuro@k3.net.pl
Assigned: 2010-02-07
Registered: 2010-02-08
Record last changed: 2018-09-04 10:48 UTC

109.207.100.0/24 109.207.102.0/24 109.207.96.0/24 109.207.97.0/24 109.207.98.0/24 109.207.99.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 6 announced prefixes are RPKI valid, 6 have no ROA.	0/25
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 2 upstreams seen in BGP.	10/10
pass	Working abuse contact biuro@k3.net.pl 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
fail	Registry record maintained Last changed 2018-09-04.	0/5

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/50550"><img src="https://ip-fd.net/badge/asn/50550/health.svg" alt="AS50550 network health on IP-FD.net"></a>

Markdown

[![AS50550 network health](https://ip-fd.net/badge/asn/50550/health.svg)](https://ip-fd.net/asn/50550)

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

Routing changes

Last 30 days

2026-10-04 09:31 UTC	New neighbour	AS28917	peer
2026-10-04 09:31 UTC	New neighbour	AS6204	peer
2026-10-04 09:31 UTC	New neighbour	AS33891	peer
2026-10-04 09:31 UTC	Relationship changed	AS201054	upstream to peer

WHOIS

aut-num:        AS50550
as-name:        K3
org:            ORG-KTSZ3-RIPE
admin-c:        KK9682-RIPE
tech-c:         KK9682-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LEON-MNT
mnt-by:         K3-MNT
created:        2010-02-08T16:03:36Z
last-modified:  2018-09-04T10:48:26Z
source:         RIPE
sponsoring-org: ORG-LSzo6-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/50550

const res = await fetch('https://ip-fd.net/api/v1/asn/50550', {
  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/50550', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/50550');
curl_setopt($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/50550", 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.

AS50607	Stowarzyszenie e-Poludnie EPIX-KTW-GlobalMix
AS62081	Stowarzyszenie e-Poludnie EPIX-WAW-GlobalMix

AS6204	TMRC GROUP SRL ZET-NET
AS24482	SG.GS SGGS-AS-AP
AS28917	Fiord Networks, UAB Fiord-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS36236	NetActuate, Inc NETACTUATE
AS49544	i3D.net B.V i3Dnet
AS201054	Stowarzyszenie e-Poludnie EPIX-PolMix