AS33820 RELX GROUP PLC

United Kingdom REED-ELSEVIER-AS RIPE 19 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

16,384

IPv6 /48 networks

RPKI

19 valid0 no ROA

Peers and downstreams

Holder

AS name: REED-ELSEVIER-AS
Description: RELX GROUP PLC
Organisation: RELX GROUP PLC
Registered in: London, United Kingdom
Abuse contact: net-admin@elsevier.com
Assigned: 2004-08-09
Registered: 2004-08-10
Record last changed: 2026-03-18 20:02 UTC

145.36.0.0/20 145.36.16.0/20 145.36.32.0/20 145.36.48.0/24 145.36.49.0/24 145.36.50.0/24 145.36.51.0/24 145.36.52.0/24 145.36.53.0/24 145.36.54.0/24 145.36.55.0/24 145.36.56.0/24 145.36.57.0/24 145.36.58.0/24 145.36.59.0/24 198.176.121.0/24 198.176.123.0/24 198.176.124.0/24 198.176.126.0/24

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:        AS33820
as-name:        REED-ELSEVIER-AS
org:            ORG-REGP1-RIPE
admin-c:        RETS-RIPE
tech-c:         RETS-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RETS-RIPE-MNT
created:        2004-08-10T09:09:53Z
last-modified:  2026-03-18T20:02:53Z
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/33820

const res = await fetch('https://ip-fd.net/api/v1/asn/33820', {
  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/33820', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/33820');
curl_setopt($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/33820", 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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