AS210712 ISP Alliance a.s.

Czechia GRAPESC-ISP RIPE 13 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

14,336

IPv6 /48 networks

262,144

RPKI

14 valid0 no ROA

Peers and downstreams

Holder

AS name: GRAPESC-ISP
Description: ISP Alliance a.s.
Organisation: ISP Alliance a.s.
Registered in: Chomutov, Czechia
Abuse contact: abuse@ispalliance.cz
Assigned: 2021-09-23
Registered: 2021-09-24
Record last changed: 2025-09-01 17:22 UTC

109.235.0.0/21 185.40.80.0/22 185.94.4.0/22 213.109.172.0/22 213.109.172.0/24 213.109.173.0/24 213.109.174.0/24 213.109.175.0/24 217.75.208.0/20 91.192.32.0/22 93.91.144.0/20 93.91.152.0/24 93.91.154.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 14 of 14 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
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact abuse@ispalliance.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 2025-09-01.	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/210712"><img src="https://ip-fd.net/badge/asn/210712/health.svg" alt="AS210712 network health on IP-FD.net"></a>

Markdown

[![AS210712 network health](https://ip-fd.net/badge/asn/210712/health.svg)](https://ip-fd.net/asn/210712)

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

Routing changes

Last 30 days

2026-10-05 00:37 UTC

Prefix gone

78.111.117.0/24

WHOIS

aut-num:        AS210712
as-name:        GRAPESC-ISP
org:            ORG-GSa22-RIPE
admin-c:        LR2038-RIPE
tech-c:         LR2038-RIPE
remarks:        This ASN is used for residential broadband ISP services.
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-GRAPESC
created:        2021-09-24T12:52:03Z
last-modified:  2025-09-01T17:22:36Z
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/210712

const res = await fetch('https://ip-fd.net/api/v1/asn/210712', {
  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/210712', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/210712');
curl_setopt($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/210712", 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))

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