AS204471 2S Computers SRL

Italy KARSOLINK RIPE 6 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

1,536

IPv6 /48 networks

131,072

RPKI

8 valid0 no ROA

Peers and downstreams

Holder

AS name: KARSOLINK
Description: 2S Computers SRL
Organisation: 2S Computers SRL
Registered in: Trieste, Italy
Abuse contact: abuse@karsolink.com
Assigned: 2022-06-21
Registered: 2022-06-22
Record last changed: 2026-03-16 14:37 UTC

193.194.16.0/24 193.194.17.0/24 193.194.18.0/24 193.194.19.0/24 193.194.20.0/24 217.197.106.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

pass	Prefixes covered by valid ROAs 8 of 8 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@karsolink.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 2026-03-16.	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/204471"><img src="https://ip-fd.net/badge/asn/204471/health.svg" alt="AS204471 network health on IP-FD.net"></a>

Markdown

[![AS204471 network health](https://ip-fd.net/badge/asn/204471/health.svg)](https://ip-fd.net/asn/204471)

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

Routing changes

Last 30 days

2026-10-04 12:29 UTC	New neighbour	AS8529	peer
2026-10-04 12:29 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS6461	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS31543	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS24482	upstream to peer
2026-10-04 12:29 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS204471
as-name:        KARSOLINK
org:            ORG-JSTA11-RIPE
remarks:        ------------------------------------------------------
remarks:        Upstreams
remarks:        ------------------------------------------------------
remarks:        ------------------------------------------------------
remarks:        Peers
remarks:        ------------------------------------------------------
remarks:        ------------------------------------------------------
remarks:        Customers
remarks:        ------------------------------------------------------
remarks:        ------------------------------------------------------
remarks:        PCIX - Piacenza
remarks:        ------------------------------------------------------
remarks:        accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks:        ------------------------------------------------------
remarks:        MINAP - Milan
remarks:        ------------------------------------------------------
remarks:        accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks:        ------------------------------------------------------
remarks:        MIX-IT - Milan
remarks:        ------------------------------------------------------
remarks:        accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks:        ------------------------------------------------------
remarks:        VSIX - Padua
remarks:        ------------------------------------------------------
remarks:        accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks:        ------------------------------------------------------
remarks:        TOP-IX - Turin
remarks:        ------------------------------------------------------
remarks:        accept ANY from RS / announce AS204471:AS-KARSOLINK-CUSTOMER to RS
remarks:        ------------------------------------------------------
admin-c:        KTR11-RIPE
tech-c:         KTR11-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-it-karsolink-1-MNT
created:        2022-06-22T08:08:12Z
last-modified:  2026-03-16T14:37:23Z
source:         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/204471

const res = await fetch('https://ip-fd.net/api/v1/asn/204471', {
  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/204471', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204471');
curl_setopt($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/204471", 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.

AS6939	Hurricane Electric LLC HURRICANE
AS9002	RETN Limited RETN-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS

AS57771	S.J.M. Steffann GNA-DC2-AS
AS200036	CityNet
AS205493	TRASNA CELLULAR S.P.A. TRASNA-CELLULAR-AS
AS208449	Micky Del Favero trading as "BeeCloudy.net" beecloudynet

AS4455	IX Reach Ltd BSO
AS5394	UNIDATA S.p.A. Unidata
AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS6461	Zayo Bandwidth ZAYO-6461
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8660	Italiaonline S.p.A. MATRIX-AS
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS13237	euNetworks GmbH LAMBDANET-AS
AS14840	BR.Digital Telecom AS14840
AS15605	Connesi s.p.a. CONNESI
AS20811	Retelit Digital Services S.p.A. BRENNERCOM-AS
AS20912	Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." ASN-PANSERVICE
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS31543	myNet GmbH MYNET-AS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS49709	Videobyte S.r.l. VIDEOBYTE
AS50877	Airbeam S.r.l. AIRBEAM-AS
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57111	NOVA NETWORKS S.R.L. ALTITUD
AS57771	S.J.M. Steffann GNA-DC2-AS
AS59919	Brainbox S.r.l. BRAINBOX
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS198150	SIACOM JSC SIACOM-AS
AS200036	CityNet
AS205493	TRASNA CELLULAR S.P.A. TRASNA-CELLULAR-AS
AS208449	Micky Del Favero trading as "BeeCloudy.net" beecloudynet
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86