AS41373 NATIONAL HEALTH SERVICE

United Kingdom BT-Plc RIPE 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

0 valid1 no ROA

Peers and downstreams

Holder

AS name: BT-Plc
Description: NATIONAL HEALTH SERVICE
Organisation: NATIONAL HEALTH SERVICE
Abuse contact: abuse@bt.com
Assigned: 2006-08-01
Registered: 2006-08-02
Record last changed: 2026-07-22 16:47 UTC

194.176.105.0/24

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS41373
as-name:        BT-Plc
remarks:        BT Plc
org:            ORG-NSp1-RIPE
admin-c:        FLS15-RIPE
tech-c:         FLS15-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         BTNET-MNT
created:        2006-08-02T13:03:55Z
last-modified:  2026-07-22T16:47:40Z
source:         RIPE
sponsoring-org: ORG-BPIS1-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/41373

const res = await fetch('https://ip-fd.net/api/v1/asn/41373', {
  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/41373', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/41373');
curl_setopt($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/41373", 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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