AS204144 Comfort XXI Century Ltd.

Russia COMFORT-AS RIPE 20 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

18,176

IPv6 /48 networks

RPKI

18 valid1 invalid1 no ROA

Peers and downstreams

Holder

AS name: COMFORT-AS
Description: Comfort XXI Century Ltd.
Organisation: Comfort XXI Century Ltd.
Abuse contact: abuse@komfort21vek.ru
Assigned: 2015-08-12
Registered: 2015-08-13
Record last changed: 2023-12-13 21:10 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 63/100

partly	Prefixes covered by valid ROAs 18 of 20 announced prefixes are RPKI valid, 1 have no ROA.	23/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@komfort21vek.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 2023-12-13.	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/204144"><img src="https://ip-fd.net/badge/asn/204144/health.svg" alt="AS204144 network health on IP-FD.net"></a>

Markdown

[![AS204144 network health](https://ip-fd.net/badge/asn/204144/health.svg)](https://ip-fd.net/asn/204144)

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

Routing changes

Last 30 days

2026-10-04 09:54 UTC	Neighbour gone	AS209823	peer
2026-10-04 09:54 UTC	Relationship changed	AS9198	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS62000	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS56911	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS56655	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS47692	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS42295	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 09:54 UTC	Relationship changed	AS15958	upstream to peer

WHOIS

aut-num:        AS204144
as-name:        COMFORT-AS
org:            ORG-CXCL1-RIPE
remarks:        ---------
remarks:        ---------
admin-c:        SV6278-RIPE
tech-c:         DM13652-RIPE
tech-c:         AL13183-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ru-comfort-1-mnt
created:        2015-08-13T09:51:30Z
last-modified:  2023-12-13T21:10:10Z
source:         RIPE
% 14 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/204144

const res = await fetch('https://ip-fd.net/api/v1/asn/204144', {
  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/204144', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204144');
curl_setopt($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/204144", 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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