AS51399 Fiberway Sp. z o.o.

Poland PL-FIBERWAY-AS RIPE 6 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

4,864

IPv6 /48 networks

524,288

RPKI

7 valid0 no ROA

Peers and downstreams

Holder

AS name: PL-FIBERWAY-AS
Description: Fiberway Sp. z o.o.
Organisation: Fiberway Sp. z o.o.
Abuse contact: abuse@fiberway.pl
Assigned: 2010-08-12
Registered: 2010-08-13
Record last changed: 2022-03-09 21:51 UTC

110.172.146.0/24 185.157.12.0/22 91.103.144.0/22 91.217.0.0/23 91.218.200.0/22 91.218.208.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 7 of 7 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 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@fiberway.pl 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
fail	Registry record maintained Last changed 2022-03-09.	0/5

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/51399"><img src="https://ip-fd.net/badge/asn/51399/health.svg" alt="AS51399 network health on IP-FD.net"></a>

Markdown

[![AS51399 network health](https://ip-fd.net/badge/asn/51399/health.svg)](https://ip-fd.net/asn/51399)

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

Routing changes

Last 30 days

2026-10-04 12:17 UTC	Neighbour gone	AS35320	upstream
2026-10-04 12:17 UTC	Neighbour gone	AS13194	upstream
2026-10-04 12:17 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 12:17 UTC	New neighbour	AS49559	peer
2026-10-04 12:17 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 12:17 UTC	Relationship changed	AS24115	upstream to peer
2026-10-04 12:17 UTC	Relationship changed	AS201054	upstream to peer
2026-10-04 12:17 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS51399
as-name:        PL-FIBERWAY-AS
org:            ORG-FSZO25-RIPE
admin-c:        MZ7961-RIPE
tech-c:         MZ7961-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-FIBERWAY
created:        2010-08-13T09:18:23Z
last-modified:  2022-03-09T21:51:52Z
source:         RIPE

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/51399

const res = await fetch('https://ip-fd.net/api/v1/asn/51399', {
  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/51399', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51399');
curl_setopt($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/51399", 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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AS6939	Hurricane Electric LLC HURRICANE
AS9002	RETN Limited RETN-AS

AS9009	M247 Europe SRL M247
AS24115	Equinix ASN-EQIX-MLPE
AS24482	SG.GS SGGS-AS-AP
AS29632	Netassist International EOOD NASSIST-AS
AS36236	NetActuate, Inc NETACTUATE
AS49544	i3D.net B.V i3Dnet
AS49559	A-Systems Sp. z o.o. IPT-1-IX
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS201054	Stowarzyszenie e-Poludnie EPIX-PolMix