AS12519 FastNet International Ltd

United Kingdom FASTNETUK RIPE 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

28,672

IPv6 /48 networks

65,536

RPKI

5 valid0 no ROA

Peers and downstreams

Holder

AS name: FASTNETUK
Description: FastNet International Ltd
Organisation: FastNet International Ltd
Registered in: Brighton, United Kingdom
Abuse contact: hostmaster@fastnet.co.uk
Assigned: 1999-06-28
Registered: 2002-06-12
Record last changed: 2019-06-11 09:40 UTC

212.42.160.0/19 81.31.64.0/20 82.148.32.0/19 87.252.32.0/19

Routing changes

Last 30 days

2026-10-04 06:26 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS6939	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS215638	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 06:26 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS12519
as-name:        FASTNETUK
org:            ORG-FIL1-RIPE
admin-c:        JP9637-RIPE
tech-c:         JP9637-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FN-RIPE
created:        2002-06-12T14:03:11Z
last-modified:  2019-06-11T09:40:42Z
source:         RIPE
% 66 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/12519

const res = await fetch('https://ip-fd.net/api/v1/asn/12519', {
  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/12519', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/12519');
curl_setopt($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/12519", 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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