AS51812 KTVS Ltd.

Russia KTVS-AS RIPE 27 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

17,408

IPv6 /48 networks

RPKI

27 valid0 no ROA

Peers and downstreams

Holder

AS name: KTVS-AS
Description: KTVS Ltd.
Organisation: KTVS Ltd.
Registered in: Arzamas, Russia
Abuse contact: admin@arznet.ru
Assigned: 2010-11-08
Registered: 2010-11-09
Record last changed: 2026-04-07 12:11 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 27 of 27 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact admin@arznet.ru 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
pass	Registry record maintained Last changed 2026-04-07.	5/5

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/51812"><img src="https://ip-fd.net/badge/asn/51812/health.svg" alt="AS51812 network health on IP-FD.net"></a>

Markdown

[![AS51812 network health](https://ip-fd.net/badge/asn/51812/health.svg)](https://ip-fd.net/asn/51812)

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

Routing changes

Last 30 days

2026-10-04 12:11 UTC

Prefix gone

46.148.58.0/23

WHOIS

aut-num:        AS51812
as-name:        KTVS-AS
org:            ORG-KL240-RIPE
admin-c:        KLN23-RIPE
tech-c:         KLN23-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RIPE-DB-MNT
mnt-by:         MNT-KTVS
created:        2010-11-09T16:51:42Z
last-modified:  2026-04-07T12:11:07Z
source:         RIPE
sponsoring-org: ORG-ATS13-RIPE
% 4 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/51812

const res = await fetch('https://ip-fd.net/api/v1/asn/51812', {
  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/51812', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51812');
curl_setopt($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/51812", 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.

AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS31133	PJSC MegaFon MF-MGSM-AS