AS204941 LLC "Tsentralnaya Gorodskaya Set"

Russia TGS-AS RIPE 3 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

768

IPv6 /48 networks

RPKI

2 valid1 no ROA

Peers and downstreams

Holder

AS name: TGS-AS
Description: LLC "Tsentralnaya Gorodskaya Set"
Organisation: LLC "Tsentralnaya Gorodskaya Set"
Registered in: Moscow, Russia
Abuse contact: admin@centrgor.net
Assigned: 2017-12-03
Registered: 2017-12-04
Record last changed: 2025-05-20 13:36 UTC

84.23.49.0/24 91.108.34.0/24 91.108.53.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 67/100

partly	Prefixes covered by valid ROAs 2 of 3 announced prefixes are RPKI valid, 1 have no ROA.	17/25
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@centrgor.net 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 2025-05-20.	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/204941"><img src="https://ip-fd.net/badge/asn/204941/health.svg" alt="AS204941 network health on IP-FD.net"></a>

Markdown

[![AS204941 network health](https://ip-fd.net/badge/asn/204941/health.svg)](https://ip-fd.net/asn/204941)

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

Routing changes

Last 30 days

2026-10-04 12:09 UTC	Neighbour gone	AS209823	peer
2026-10-04 12:09 UTC	Relationship changed	AS9198	upstream to peer
2026-10-04 12:09 UTC	Relationship changed	AS6939	upstream to peer
2026-10-04 12:09 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 12:09 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 12:09 UTC	New neighbour	AS21030	peer
2026-10-04 12:09 UTC	New neighbour	AS137409	peer

WHOIS

aut-num:        AS204941
as-name:        TGS-AS
org:            ORG-TGS20-RIPE
remarks:        TGS uplinks/connected-ixs/customers:
remarks:        -------------------------------------------------------
remarks:        
remarks:        ---------------- UPLINKS: -----------------------------
remarks:        -------------------------------------------------------
remarks:        .................NAUKANET..............................
remarks:        .................GLOBALNET.............................
remarks:        .................TRANSROUTE............................
remarks:        -------------------------------------------------------
remarks:        ----------------- IXs: --------------------------------
remarks:        -------------------------------------------------------
remarks:        .................msk-piterix...........................
remarks:        -------------------------------------------------------
remarks:        -------------- CUSTOMERS: -----------------------------
remarks:        -------------------------------------------------------
remarks:        TELEMEDNET
remarks:        EPL
remarks:        RU-SHARK-AS
remarks:        INET-RU
remarks:        INET-TELECOM-AS
remarks:        BEST-LINE
remarks:        COMPANY-TELECOM
admin-c:        AF14211-RIPE
tech-c:         AF14211-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DN-MNT
mnt-by:         CGNET-MNT
created:        2017-12-04T10:57:56Z
last-modified:  2025-05-20T13:36:26Z
source:         RIPE
sponsoring-org: ORG-DNJ1-RIPE
% 18 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/204941

const res = await fetch('https://ip-fd.net/api/v1/asn/204941', {
  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/204941', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204941');
curl_setopt($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/204941", 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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