AS51569 Fiberwide S.p.a.

Italy FIBERING RIPE 12 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

17,408

IPv6 /48 networks

524,288

RPKI

13 valid0 no ROA

Peers and downstreams

Holder

AS name: FIBERING
Description: Fiberwide S.p.a.
Organisation: Fiberwide S.p.a.
Registered in: Milan, Italy
Abuse contact: abuse@fiberwide.com
Assigned: 2010-09-28
Registered: 2010-09-29
Record last changed: 2026-06-19 09:21 UTC

185.159.52.0/22 185.95.136.0/22 45.132.208.0/22 46.20.80.0/20 83.139.202.0/23 83.139.212.0/22 83.139.216.0/22 83.139.220.0/23 83.139.224.0/20 83.139.242.0/23 83.139.244.0/23 85.31.160.0/21

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

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 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@fiberwide.com is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
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 2026-06-19.	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/51569"><img src="https://ip-fd.net/badge/asn/51569/health.svg" alt="AS51569 network health on IP-FD.net"></a>

Markdown

[![AS51569 network health](https://ip-fd.net/badge/asn/51569/health.svg)](https://ip-fd.net/asn/51569)

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

Routing changes

Last 30 days

2026-10-05 16:06 UTC	New neighbour	AS8529	peer
2026-10-05 16:06 UTC	Relationship changed	AS9498	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS9009	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS8220	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS8218	upstream to peer
2026-10-05 16:06 UTC	New neighbour	AS6204	peer
2026-10-05 16:06 UTC	Relationship changed	AS60171	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS5405	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS41327	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS31543	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS28716	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS264409	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS24961	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS22356	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS14840	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS137409	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS12779	upstream to peer
2026-10-05 16:06 UTC	Relationship changed	AS1267	upstream to peer

WHOIS

aut-num:        AS51569
as-name:        FIBERING
org:            ORG-DS52-RIPE
remarks:        +---------------------------------------+
remarks:        | Operational issues: network@fiberwide.com |
remarks:        | Peering issues: network@fiberwide.com |
remarks:        | Abuse and SPAM: abuse@fiberwide.com |
remarks:        +---------------------------------------+
admin-c:        FIBR3-RIPE
tech-c:         FIBR2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FIBERING-MNT
created:        2010-09-29T15:13:49Z
last-modified:  2026-06-19T09:21:36Z
source:         RIPE
% 20 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/51569

const res = await fetch('https://ip-fd.net/api/v1/asn/51569', {
  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/51569', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51569');
curl_setopt($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/51569", 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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