5.53.136.0/21

A1-5_53_136 IPv4 Bulgaria ASSIGNED PA AS13124

Registration

RIPE

Range: 5.53.136.0 to 5.53.143.255
CIDR: 5.53.136.0/21
Addresses: 2,048
Net name: A1-5_53_136
Description: Sofia Lozenetc A1 Bulgaria EAD
Holder: A1 Bulgaria EAD ORG-MN1-RIPE
Status: ASSIGNED PA
Abuse contact: RIPE.Abuse@a1.bg
Last updated: 2026-04-26

Routing

Covered by 5.53.136.0/22 from AS13124 A1 Bulgaria EAD. RPKI valid

Covering allocations

Range	Net name	Status
5.53.128.0 - 5.53.255.255	BG-MTELNET-20120529	ALLOCATED PA

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        5.53.136.0 - 5.53.143.255
netname:        A1-5_53_136
descr:          Sofia Lozenetc
descr:          A1 Bulgaria EAD
country:        BG
status:         ASSIGNED PA
source:         RIPE

organisation:   ORG-MN1-RIPE
org-name:       A1 Bulgaria EAD
country:        BG

role:           A1 Bulgaria EAD Abuse
abuse-mailbox:  RIPE.Abuse@a1.bg
nic-hdl:        AR14215-RIPE

Location of the first address

Sofia, Bulgaria

Registry coordinates

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/5.53.136.0/21

const res = await fetch('https://ip-fd.net/api/v1/network/5.53.136.0/21', {
  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/5.53.136.0/21', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/5.53.136.0/21');
curl_setopt($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/5.53.136.0/21", 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))

Works without a key at a lower rate. Get a free key.