AS197394 CJSC Telecommunications 21

Russia Telecommunications21century RIPE 19 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

7,936

IPv6 /48 networks

RPKI

0 valid19 no ROA

Peers and downstreams

Holder

AS name: Telecommunications21century
Description: CJSC Telecommunications 21
Organisation: CJSC Telecommunications 21
Abuse contact: abuse@t21v.ru
Assigned: 2010-11-14
Registered: 2010-11-15
Record last changed: 2024-09-24 10:10 UTC

91.245.33.0/24 91.245.34.0/24 91.245.35.0/24 91.245.36.0/22 91.245.36.0/24 91.245.37.0/24 91.245.38.0/24 91.245.39.0/24 91.245.40.0/21 91.245.40.0/24 91.245.41.0/24 91.245.42.0/24 91.245.43.0/24 91.245.44.0/24 91.245.45.0/24 91.245.46.0/24 91.245.47.0/24 91.245.48.0/20 91.245.48.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 50/100

fail	Prefixes covered by valid ROAs 0 of 19 announced prefixes are RPKI valid, 19 have no ROA.	0/25
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 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@t21v.ru is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
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 2024-09-24.	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/197394"><img src="https://ip-fd.net/badge/asn/197394/health.svg" alt="AS197394 network health on IP-FD.net"></a>

Markdown

[![AS197394 network health](https://ip-fd.net/badge/asn/197394/health.svg)](https://ip-fd.net/asn/197394)

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

Routing changes

Last 30 days

2026-10-04 09:51 UTC	Relationship changed	AS43727	upstream to peer
2026-10-04 09:51 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 09:51 UTC	Relationship changed	AS25091	upstream to peer

WHOIS

aut-num:        AS197394
as-name:        Telecommunications21century
org:            ORG-JT78-RIPE
admin-c:        MRR57-RIPE
tech-c:         MRR57-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lidertelecom-mnt
mnt-by:         TELECOM21C-mnt
created:        2010-11-15T15:04:46Z
last-modified:  2024-09-24T10:10:02Z
source:         RIPE
sponsoring-org: ORG-LL38-RIPE
% 6 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/197394

const res = await fetch('https://ip-fd.net/api/v1/asn/197394', {
  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/197394', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/197394');
curl_setopt($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/197394", 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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