5.77.0.0/20

ERTH-TOMSK-NET IPv4 Russia ASSIGNED PA AS56981

Registration

RIPE

Range: 5.77.0.0 to 5.77.15.255
CIDR: 5.77.0.0/20
Addresses: 4,096
Net name: ERTH-TOMSK-NET
Description: CJSC "ER-Telecom Holding" Tomsk branch Tomsk, Russia
Holder: JSC "ER-Telecom Holding" Tomsk Branch ORG-CHTB3-RIPE
Status: ASSIGNED PA
Abuse contact: abuse@domru.ru
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
5.77.0.0/20	AS56981 TOMSK-AS	No ROA

Covering allocations

Range	Net name	Status
5.77.0.0 - 5.77.31.255	RU-RAID-20120612	ALLOCATED PA

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        5.77.0.0 - 5.77.15.255
netname:        ERTH-TOMSK-NET
descr:          CJSC "ER-Telecom Holding" Tomsk branch
descr:          Tomsk, Russia
country:        RU
org:            ORG-CHTB3-RIPE
status:         ASSIGNED PA
source:         RIPE

organisation:   ORG-CHTB3-RIPE
org-name:       JSC "ER-Telecom Holding" Tomsk Branch

role:           ER-Telecom ISP Contact Role
abuse-mailbox:  abuse@domru.ru
nic-hdl:        RAID1-RIPE

Location of the first address

Tomsk, Russia

City named in registry record

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/5.77.0.0/20

const res = await fetch('https://ip-fd.net/api/v1/network/5.77.0.0/20', {
  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/5.77.0.0/20', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/5.77.0.0/20');
curl_setopt($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/5.77.0.0/20", 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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