AS43070 JAW.cz s.r.o.

Czechia JAW-AS RIPE 6 IPv4 prefixes 3 IPv6 prefixes

IPv4 addresses

8,704

IPv6 /48 networks

196,608

RPKI

5 valid4 no ROA

Peers and downstreams

Holder

AS name: JAW-AS
Description: JAW.cz s.r.o.
Organisation: JAW.cz s.r.o.
Abuse contact: abuse@jaw.cz
Assigned: 2007-05-31
Registered: 2007-06-01
Record last changed: 2025-07-07 17:41 UTC

185.45.136.0/22 188.92.8.0/21 46.30.144.0/21 77.95.40.0/21 89.187.192.0/22 89.187.196.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 79/100

partly	Prefixes covered by valid ROAs 5 of 9 announced prefixes are RPKI valid, 4 have no ROA.	14/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@jaw.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 2025-07-07.	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/43070"><img src="https://ip-fd.net/badge/asn/43070/health.svg" alt="AS43070 network health on IP-FD.net"></a>

Markdown

[![AS43070 network health](https://ip-fd.net/badge/asn/43070/health.svg)](https://ip-fd.net/asn/43070)

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

Routing changes

Last 30 days

2026-10-04 17:18 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS6461	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS25248	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 17:18 UTC	Relationship changed	AS13194	upstream to peer

WHOIS

aut-num:        AS43070
as-name:        JAW-AS
remarks:        Czech Republic
org:            ORG-SS75-RIPE
remarks:        *** upstream providers ***
remarks:        * SuperNetwork
remarks:        * M-SOFT
remarks:        *** end ***
admin-c:        JD2139-RIPE
tech-c:         JD2139-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         JAW-MNT
created:        2007-06-01T10:32:02Z
last-modified:  2025-07-07T17:41:05Z
source:         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/43070

const res = await fetch('https://ip-fd.net/api/v1/asn/43070', {
  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/43070', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/43070');
curl_setopt($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/43070", 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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