AS21019 S.A. spol. s r.o.

Slovakia SASRO-SK-AS RIPE 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

4,096

IPv6 /48 networks

RPKI

0 valid1 no ROA

Peers and downstreams

Holder

AS name: SASRO-SK-AS
Description: Bratislava, Slovakia
Organisation: S.A. spol. s r.o.
Registered in: Bratislava, Slovakia
Abuse contact: lir@sasro.sk
Assigned: 2001-07-29
Registered: 1970-01-01
Record last changed: 2025-12-09 10:01 UTC

80.81.224.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 1 announced prefixes are RPKI valid, 1 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
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact lir@sasro.sk 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 2025-12-09.	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/21019"><img src="https://ip-fd.net/badge/asn/21019/health.svg" alt="AS21019 network health on IP-FD.net"></a>

Markdown

[![AS21019 network health](https://ip-fd.net/badge/asn/21019/health.svg)](https://ip-fd.net/asn/21019)

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

Routing changes

Last 30 days

2026-10-03 22:54 UTC	Relationship changed	AS9009	upstream to peer
2026-10-03 22:54 UTC	Relationship changed	AS8218	upstream to peer
2026-10-03 22:54 UTC	Relationship changed	AS6204	upstream to peer
2026-10-03 22:54 UTC	Relationship changed	AS33891	upstream to peer
2026-10-03 22:54 UTC	Relationship changed	AS3303	upstream to peer
2026-10-03 22:54 UTC	Relationship changed	AS1764	upstream to peer

WHOIS

aut-num:        AS21019
as-name:        SASRO-SK-AS
descr:          Bratislava, Slovakia
org:            ORG-SN9-RIPE
admin-c:        IT87-RIPE
tech-c:         PR1597-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SA-NET-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-12-09T10:01:07Z
source:         RIPE
% 4 routing policy lines (import/export) not shown

Routing data

Updated 2 days ago

Registry record

Fetched 2 days ago 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/21019

const res = await fetch('https://ip-fd.net/api/v1/asn/21019', {
  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/21019', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/21019');
curl_setopt($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/21019", 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.

AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS6204	TMRC GROUP SRL ZET-NET
AS8218	Zayo Infrastructure France SA NEO-ASN
AS9009	M247 Europe SRL M247
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS40994	Hohl IT e.U. Alwyzon
AS49544	i3D.net B.V i3Dnet