AS39679 JZT Informatikai Kft.

Hungary ASJZTKFT RIPE 7 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

1,792

IPv6 /48 networks

65,536

RPKI

8 valid0 no ROA

Peers and downstreams

Holder

AS name: ASJZTKFT
Description: JZT Informatikai Kft.
Organisation: JZT Informatikai Kft.
Registered in: Mezőtúr, Hungary
Abuse contact: abuse@jztkft.hu
Assigned: 2017-10-30
Registered: 2017-10-31
Record last changed: 2020-11-16 17:59 UTC

193.188.192.0/24 213.181.201.0/24 45.67.156.0/24 45.67.158.0/24 45.67.159.0/24 77.221.49.0/24 79.172.220.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 8 of 8 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@jztkft.hu 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 2020-11-16.	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/39679"><img src="https://ip-fd.net/badge/asn/39679/health.svg" alt="AS39679 network health on IP-FD.net"></a>

Markdown

[![AS39679 network health](https://ip-fd.net/badge/asn/39679/health.svg)](https://ip-fd.net/asn/39679)

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

Routing changes

Last 30 days

2026-10-04 11:27 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS47692	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS21215	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS15576	upstream to peer

WHOIS

aut-num:        AS39679
as-name:        ASJZTKFT
org:            ORG-JIK2-RIPE
admin-c:        ZV41-RIPE
tech-c:         ZV41-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DENINET-MNT
mnt-by:         mnt-hu-jztinformatikai-1
created:        2017-10-31T10:21:47Z
last-modified:  2020-11-16T17:59:27Z
source:         RIPE
sponsoring-org: ORG-DL1-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/39679

const res = await fetch('https://ip-fd.net/api/v1/asn/39679', {
  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/39679', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/39679');
curl_setopt($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/39679", 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.

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AS6663	Euroweb Romania S.R.L. TTI-NET
AS15576	NTS workspace AG NTS
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS40994	Hohl IT e.U. Alwyzon
AS47692	Nessus GmbH NESSUS
AS49544	i3D.net B.V i3Dnet
AS215366	Bgn BGN