37.35.88.0/21

UK-SYSGROUP-20120106 IPv4 United Kingdom ALLOCATED PA AS39537

Registration

RIPE

Range: 37.35.88.0 to 37.35.95.255
CIDR: 37.35.88.0/21
Addresses: 2,048
Net name: UK-SYSGROUP-20120106
Holder: SysGroup plc ORG-SP277-RIPE
Status: ALLOCATED PA
Abuse contact: abuse@sysgroup.com
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
37.35.88.0/21	AS39537 HNS	RPKI valid

More specific assignments

Range	Net name	Country
37.35.88.0 - 37.35.88.31	AXA-SUBNET	GB
37.35.88.32 - 37.35.88.63	BDR-SUBNET	GB
37.35.88.64 - 37.35.88.127	AXA-SUBNET	GB
37.35.88.128 - 37.35.88.254	NETPLAN	GB
37.35.89.0 - 37.35.89.63	NETPLAN	GB
37.35.89.64 - 37.35.89.127	NETPLAN	GB
37.35.89.128 - 37.35.89.254	NETPLAN	GB
37.35.90.0 - 37.35.90.127	NETPLAN	GB
37.35.90.128 - 37.35.90.254	NETPLAN	GB
37.35.94.0 - 37.35.95.254	NETPLAN	GB

WHOIS

inetnum:        37.35.88.0 - 37.35.95.255
netname:        UK-SYSGROUP-20120106
country:        GB
org:            ORG-SP277-RIPE
status:         ALLOCATED PA
source:         RIPE

organisation:   ORG-SP277-RIPE
org-name:       SysGroup plc
country:        GB

role:           Abuse-C Role
abuse-mailbox:  abuse@sysgroup.com
nic-hdl:        AR38690-RIPE

Location of the first address

London, United Kingdom

Registered organisation address

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/37.35.88.0/21

const res = await fetch('https://ip-fd.net/api/v1/network/37.35.88.0/21', {
  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/network/37.35.88.0/21', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/37.35.88.0/21');
curl_setopt($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/network/37.35.88.0/21", 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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