AS199508 S1 Networks Oy

Finland S1NETWORKS-AS RIPE 14 IPv4 prefixes 3 IPv6 prefixes

IPv4 addresses

11,776

IPv6 /48 networks

131,073

RPKI

13 valid4 no ROA

Peers and downstreams

Holder

AS name: S1NETWORKS-AS
Description: S1 Networks Oy
Organisation: S1 Networks Oy
Registered in: Helsinki, Finland
Abuse contact: abuse@s1networks.fi
Assigned: 2012-12-18
Registered: 2012-12-19
Record last changed: 2026-07-20 13:01 UTC

185.11.208.0/22 185.195.149.0/24 185.195.150.0/23 194.110.224.0/21 194.110.232.0/22 195.192.250.0/23 195.20.149.0/24 45.8.128.0/22 62.220.224.0/22 62.220.252.0/22 85.194.236.0/23 89.41.48.0/24 89.42.43.0/24 91.90.48.0/21

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 84/100

partly	Prefixes covered by valid ROAs 13 of 17 announced prefixes are RPKI valid, 4 have no ROA.	19/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@s1networks.fi 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 2026-07-20.	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/199508"><img src="https://ip-fd.net/badge/asn/199508/health.svg" alt="AS199508 network health on IP-FD.net"></a>

Markdown

[![AS199508 network health](https://ip-fd.net/badge/asn/199508/health.svg)](https://ip-fd.net/asn/199508)

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

Routing changes

Last 30 days

2026-10-04 11:31 UTC	Neighbour gone	AS199524	peer
2026-10-04 11:31 UTC	Neighbour gone	AS42541	peer
2026-10-04 11:31 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS52005	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS31133	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 11:31 UTC	New neighbour	AS15830	peer
2026-10-04 11:31 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS13194	upstream to peer
2026-10-04 11:31 UTC	Relationship changed	AS12552	upstream to downstream

WHOIS

aut-num:        AS199508
as-name:        S1NETWORKS-AS
org:            ORG-SNO2-RIPE
remarks:        ** FNE Finland Transit
remarks:        ** Arelion Transit
remarks:        ** Customers
admin-c:        TW2611-RIPE
tech-c:         TW2611-RIPE
status:         ASSIGNED
mnt-by:         S1-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2012-12-19T12:27:23Z
last-modified:  2026-07-20T13:01:08Z
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/199508

const res = await fetch('https://ip-fd.net/api/v1/asn/199508', {
  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/199508', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/199508');
curl_setopt($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/199508", 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.

AS1299	Arelion Sweden AB TWELVE99
AS6939	Hurricane Electric LLC HURRICANE
AS47605	FNE-Finland Oy FNE-AS

AS12552	GlobalConnect AB GlobalConnect-AS12552
AS45010	S1 Networks Oy Megatuutti
AS49866	Loopback Oy LOOPBACK
AS57692	Kapsi Internet-kayttajat ry KAPSI-AS
AS203486	Palvelinpuisto Oy PALVELINPUISTO
AS207003	Web1 Oy WEB1-AS
AS215629	Viipurin Reaalikoulu Oy MAYK

AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS13194	UAB "Bite Lietuva" BITE
AS15830	Equinix (EMEA) Acquisition Enterprises B.V. Equinix
AS20764	CJSC RASCOM RASCOM-AS
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS28917	Fiord Networks, UAB Fiord-AS
AS31133	PJSC MegaFon MF-MGSM-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS35280	F5 Networks SARL F5
AS35598	INETCOM CARRIER LLC INETCOM
AS36236	NetActuate, Inc NETACTUATE
AS39351	31173 Services AB ESAB-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS45010	S1 Networks Oy Megatuutti
AS49544	i3D.net B.V i3Dnet
AS50304	Blix Solutions AS BLIX
AS51519	Karabro AB Karabro
AS52005	Netnod AB NETNOD-ROUTE-SERVER-1
AS57692	Kapsi Internet-kayttajat ry KAPSI-AS
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS203486	Palvelinpuisto Oy PALVELINPUISTO
AS205206	Netsite A/S Netsite
AS207003	Web1 Oy WEB1-AS