AS51597 Fasttelekom Ltd.

Ukraine FASTTELECOM-AS RIPE 12 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

3,072

IPv6 /48 networks

RPKI

13 valid0 no ROA

Peers and downstreams

Holder

AS name: FASTTELECOM-AS
Description: Fasttelekom Ltd.
Organisation: Fasttelekom Ltd.
Registered in: Fastiv, Ukraine
Abuse contact: alexnvis@gmail.com
Assigned: 2010-10-05
Registered: 2010-10-06
Record last changed: 2023-11-17 10:16 UTC

176.116.192.0/21 176.116.192.0/24 176.116.193.0/24 176.116.194.0/24 176.116.195.0/24 176.116.196.0/24 176.116.197.0/24 91.219.80.0/22 91.219.80.0/24 91.219.81.0/24 91.219.82.0/24 91.219.83.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

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 alexnvis@gmail.com 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 2023-11-17.	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/51597"><img src="https://ip-fd.net/badge/asn/51597/health.svg" alt="AS51597 network health on IP-FD.net"></a>

Markdown

[![AS51597 network health](https://ip-fd.net/badge/asn/51597/health.svg)](https://ip-fd.net/asn/51597)

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

Routing changes

Last 30 days

2026-10-04 11:32 UTC	Neighbour gone	AS199995	upstream
2026-10-04 11:32 UTC	Neighbour gone	AS49544	peer
2026-10-04 11:32 UTC	Neighbour gone	AS30886	upstream
2026-10-04 11:32 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 11:32 UTC	New neighbour	AS48648	peer
2026-10-04 11:32 UTC	Relationship changed	AS39120	upstream to peer
2026-10-04 11:32 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 11:32 UTC	Relationship changed	AS24482	upstream to peer
2026-10-04 11:32 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 11:32 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 11:32 UTC	New neighbour	AS13194	peer

WHOIS

aut-num:        AS51597
as-name:        FASTTELECOM-AS
org:            ORG-FAST7-RIPE
remarks:        --------------------------------------------------
remarks:        External Uplinks
remarks:        --------------------------------------------------
remarks:        --------------------------------------------------
remarks:        Internet Exchange
remarks:        ---------------------------------------------------
remarks:        ---------------------------------------------------
remarks:        IPV6-IX
remarks:        ---------------------------------------------------
admin-c:        KHOD1-RIPE
tech-c:         KHOD1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FASTNETCOMUA-MNT
created:        2010-10-06T09:22:48Z
last-modified:  2023-11-17T10:16:24Z
source:         RIPE
sponsoring-org: ORG-Vs35-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/51597

const res = await fetch('https://ip-fd.net/api/v1/asn/51597', {
  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/51597', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51597');
curl_setopt($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/51597", 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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