178.157.4.0/22

AT-MASSRESPONSE-20100625 IPv4 Austria ALLOCATED PA AS51265

Registration

RIPE

Range: 178.157.4.0 to 178.157.7.255
CIDR: 178.157.4.0/22
Addresses: 1,024
Net name: AT-MASSRESPONSE-20100625
Holder: Mass Response Service GmbH ORG-MRSG2-RIPE
Status: ALLOCATED PA
Geofeed: https://massresponse.com/geofeed.csv
Abuse contact: abuse@massresponse.com
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
178.157.4.0/22	AS51265 MASSRESPONSE-AS	RPKI valid

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        178.157.4.0 - 178.157.7.255
netname:        AT-MASSRESPONSE-20100625
country:        AT
org:            ORG-MRSG2-RIPE
status:         ALLOCATED PA
geofeed:        https://massresponse.com/geofeed.csv
source:         RIPE

organisation:   ORG-MRSG2-RIPE
org-name:       Mass Response Service GmbH
country:        AT

role:           Mass Response abuse handling
abuse-mailbox:  abuse@massresponse.com
nic-hdl:        MR17726-RIPE

Location of the first address

Vienna, Austria

Operator geofeed

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/178.157.4.0/22

const res = await fetch('https://ip-fd.net/api/v1/network/178.157.4.0/22', {
  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/178.157.4.0/22', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/178.157.4.0/22');
curl_setopt($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/178.157.4.0/22", 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.