AS56791 CityTelekom Ltd.

Russia CT-AS RIPE 12 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

13,312

IPv6 /48 networks

256

RPKI

13 valid0 no ROA

Peers and downstreams

Holder

AS name: CT-AS
Description: CityTelekom Ltd.
Organisation: CityTelekom Ltd.
Registered in: Armavir, Russia
Abuse contact: abuse-ct@soyka.su
Assigned: 2011-05-16
Registered: 2011-05-17
Record last changed: 2020-05-26 12:26 UTC

176.119.197.0/24 176.32.128.0/19 176.32.128.0/20 176.32.128.0/23 176.32.144.0/20 185.134.121.0/24 185.134.122.0/23 185.45.100.0/22 94.243.224.0/21 94.243.224.0/22 94.243.228.0/22 94.243.232.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 95/100

pass	Prefixes covered by valid ROAs 13 of 13 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse-ct@soyka.su is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
fail	Registry record maintained Last changed 2020-05-26.	0/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/56791"><img src="https://ip-fd.net/badge/asn/56791/health.svg" alt="AS56791 network health on IP-FD.net"></a>

Markdown

[![AS56791 network health](https://ip-fd.net/badge/asn/56791/health.svg)](https://ip-fd.net/asn/56791)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-05 16:39 UTC	Prefix gone	2a00:9e80:80::/41
2026-10-05 16:39 UTC	Prefix gone	2a00:9e80:3::/48

WHOIS

aut-num:        AS56791
as-name:        CT-AS
org:            ORG-CL576-RIPE
admin-c:        NA6512-RIPE
tech-c:         NA6512-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-ru-citytelekom-1
created:        2011-05-17T11:10:07Z
last-modified:  2020-05-26T12:26:57Z
source:         RIPE
% 10 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/56791

const res = await fetch('https://ip-fd.net/api/v1/asn/56791', {
  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/asn/56791', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/56791');
curl_setopt($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/asn/56791", 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.

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