77.77.0.0/21

ULTRANET-NET IPv4 Bulgaria ASSIGNED PA AS39184

Registration

RIPE

Range: 77.77.0.0 to 77.77.7.255
CIDR: 77.77.0.0/21
Addresses: 2,048
Net name: ULTRANET-NET
Description: UltraNET Ltd
Holder: UltraNET Ltd ORG-UO129-RIPE
Status: ASSIGNED PA
Abuse contact: abuse@ultranet.biz
Last updated: 2026-04-26

Routing

Covered by 77.77.0.0/24 from AS39184 UltraNET Ltd. RPKI valid

Covering allocations

Range	Net name	Status
77.77.0.0 - 77.77.63.255	BG-ULTRANET-20070216	ALLOCATED PA

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        77.77.0.0 - 77.77.7.255
netname:        ULTRANET-NET
descr:          UltraNET Ltd
country:        BG
status:         ASSIGNED PA
source:         RIPE

organisation:   ORG-UO129-RIPE
org-name:       UltraNET Ltd
country:        BG

role:           Abuse Mailbox
abuse-mailbox:  abuse@ultranet.biz
nic-hdl:        UN1512-RIPE

Location of the first address

Sandanski, Bulgaria

Registry coordinates

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/77.77.0.0/21

const res = await fetch('https://ip-fd.net/api/v1/network/77.77.0.0/21', {
  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/77.77.0.0/21', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/77.77.0.0/21');
curl_setopt($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/77.77.0.0/21", 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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