AS1759 Telia Finland Oyj

Finland TSF-IP-Core RIPE 118 IPv4 prefixes 12 IPv6 prefixes

IPv4 addresses

3,344,128

IPv6 /48 networks

852,485

RPKI

84 valid46 no ROA

Peers and downstreams

Holder

AS name: TSF-IP-Core
Description: Telia Finland Oyj http://www.telia.fi, looking-glass lg.sonera.net -------------------------------------------------------
Organisation: Telia Finland Oyj
Registered in: Helsinki, Finland
Abuse contact: abuse@telia.fi
Assigned: 1993-08-31
Registered: 2002-09-19
Record last changed: 2026-08-21 08:24 UTC

109.240.0.0/16 131.177.0.0/16 139.157.0.0/16 139.181.9.0/24 139.74.0.0/16 140.151.0.0/16 141.208.0.0/16 144.4.0.0/16 147.44.0.0/16 160.71.0.0/16 176.72.0.0/16 185.31.70.0/23 185.81.91.0/24 188.238.0.0/16 192.103.112.0/22 192.126.63.0/24 192.126.64.0/24 192.130.0.0/16 192.136.9.0/24 192.194.0.0/16 192.58.42.0/23 192.58.44.0/22 192.58.48.0/20 192.58.64.0/20 192.58.80.0/21 192.58.88.0/23 192.83.0.0/18 192.83.100.0/24 192.83.64.0/19 192.83.96.0/22 192.89.0.0/16 192.89.123.0/24 193.111.118.0/23 193.111.118.0/24 193.111.93.0/24 193.142.122.0/23 193.142.150.0/24 193.142.2.0/24 193.142.26.0/24 193.143.100.0/24 193.143.101.0/24 193.143.102.0/23 193.143.104.0/21 193.143.112.0/23 193.143.114.0/24 193.143.115.0/24 193.143.116.0/23 193.143.118.0/24 193.143.232.0/21 193.143.232.0/22 193.143.236.0/22 193.143.4.0/24 193.143.99.0/24 193.208.0.0/14 193.210.18.0/24 193.210.19.0/24 193.238.4.0/22 194.110.62.0/24 194.110.63.0/24 194.111.0.0/16 194.126.212.0/24 194.137.0.0/16 194.142.0.0/16 194.188.145.0/24 194.197.0.0/16 194.197.68.0/24 194.215.0.0/16 194.251.0.0/16 194.252.0.0/16 194.42.56.0/23 194.42.58.0/24 194.42.59.0/24 194.42.60.0/24 194.42.61.0/24 194.42.63.0/24 194.50.168.0/24 194.89.0.0/16 195.156.0.0/16 195.165.0.0/16 195.248.86.0/24 212.149.64.0/18 212.182.192.0/18 212.213.0.0/16 212.83.96.0/19 212.94.64.0/19 213.140.160.0/19 213.173.128.0/19 213.28.0.0/16 217.140.128.0/17 45.14.40.0/22 46.132.0.0/16 62.71.0.0/16 62.73.32.0/19 77.247.196.0/24 80.220.0.0/14 80.74.192.0/19 81.16.64.0/20 82.195.192.0/19 84.248.0.0/14 84.34.0.0/16 86.114.0.0/16 86.115.0.0/16 88.192.0.0/14 88.86.128.0/19 89.200.198.0/24 91.214.164.0/22 91.214.165.0/24 91.214.167.0/24 91.216.136.0/24 91.217.116.0/24 91.217.117.0/24 91.217.248.0/24 91.217.252.0/24 91.222.188.0/22 93.106.0.0/16 93.91.176.0/21 93.91.184.0/22 94.101.8.0/23

AS764	IDDQD-AS FI-PMO-AS
AS1234	IDDQD-AS FORTUM-AS
AS1738	OP Osuuskunta OKOBANK-AS
AS8983	Nokia Solutions and Networks Oy Nokia-AS
AS12582	Telia Finland Oyj TSF-DATANET-NGD-AS
AS24809	If Skadeforsakring AB IF-AS
AS25391	SSH Communications Security Corporation SSH-AS
AS29282	Enfo Oy ENFO-FI-AS
AS29422	Telia Cygate Oy NBLNETWORKS-AS
AS29601	UPM-Kymmene Oyj UPM-KYMMENE-AS
AS30978	Posti Group Oyj ATKOS-AS
AS34541	Online Solutions Oy ONLINESOLUTIONS-AS
AS39662	Finnish Transport and Communications Agency FI-FICORA-AS
AS41242	Sofor Oy Sofor-ripe
AS41369	Advania Finland Oy DATACENTER-AS
AS41648	Rautaruukki Oyj RUUKKI
AS41701	Capgemini Finland Oy CAP-FIN-AS
AS49430	Pihlajalinna Terveys Oy PIHLAJALINNA-AS
AS50290	Ja viestintatekniikkakeskus Valtori VK-VALTORI-AS Valtion tieto
AS50420	Niscayah Group AB NISCAYAH-GROUP-FI
AS50603	Artio Oy ARTIO-AS
AS50675	Dstny BE N.V. DSTNY-FINLAND
AS50845	VeriFone Systems France SAS VeriFone-EMEA
AS51164	Knowit Solutions Oy KNOWIT-FI
AS51188	Telia Cygate Oy CRESCOM-AS
AS57066	Yleisradio Oy yle
AS60414	Baytems Holdings Oy NETINCH
AS60846	Nokian Renkaat Oyj NOKIAN-AS
AS61074	Cuuma Communications Oy AS-CUUMA
AS61340	Prog-It Oy PROG-IT
AS62254	Avarn Security Oy AVARN-FI
AS197115	KEVA
AS198514	ALSO Cloud Oy AlsoCloudOy
AS198737	TS-Yhtyma Oy TS-YHTYMA
AS199169	SECTOR ALARM TECH AS SA-Finland_OY
AS199486	Tietokeskus Finland Oy TIETOKESKUS-AS
AS200137	AX Networks Ab AXNET
AS200630	Ja viestintatekniikkakeskus Valtori valtori-dc-as Valtion tieto
AS203296	Kristillinen Media Oy DEI
AS203609	Suomen Erillisverkot Oy erillisverkot
AS203817	Kuhmon kylaverkko-osuuskunta noste-as
AS204452	Vaestorekisterikeskus VRK-AS
AS204954	Kaakkois-Suomen Tieto Oy KSTIETO-AS
AS205250	Turun Kaupunki TURUNKAUPUNKI
AS206175	Meidan IT ja talous Oy PKMKV
AS207038	Mtech Digital Solutions Oy MLOY-AS
AS207670	Kuntarahoitus Oyj KUNTARAHOITUS
AS209123	rBit Ab RBIT-AS
AS209457	Etela-Pohjanmaan Hyvinvointialue EPSHP-FI
AS209633	Semel Oy semel
AS209682	Finavia Oyj FINAVIA
AS210180	Kaleva Oy Kalevafi
AS210722	Oy Turku Energia Abo Energi AB Turkuenergia
AS211848	Fraidei Oy PRINTCOM-AS
AS214100	RubyNet Oy rubynet-as
AS214692	Valtion tieto- ja viestintatekniikkakeskus, TUVE-palvelut VALTORI-AS
AS215722	LapIT Oy LAPIT-AS

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 76/100

partly	Prefixes covered by valid ROAs 84 of 130 announced prefixes are RPKI valid, 46 have no ROA.	16/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 12 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact abuse@telia.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 2026-08-21.	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/1759"><img src="https://ip-fd.net/badge/asn/1759/health.svg" alt="AS1759 network health on IP-FD.net"></a>

Markdown

[![AS1759 network health](https://ip-fd.net/badge/asn/1759/health.svg)](https://ip-fd.net/asn/1759)

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

Routing changes

Last 30 days

2026-10-04 15:25 UTC	Neighbour gone	AS51728	downstream
2026-10-04 15:25 UTC	Neighbour gone	AS47605	upstream
2026-10-04 15:25 UTC	Neighbour gone	AS2129	downstream
2026-10-04 15:25 UTC	New neighbour	AS61340	downstream
2026-10-04 15:25 UTC	New neighbour	AS50420	downstream
2026-10-04 15:25 UTC	New neighbour	AS210722	downstream
2026-10-04 15:25 UTC	Relationship changed	AS42708	upstream to peer
2026-10-04 15:25 UTC	New prefix	94.101.8.0/23

WHOIS

aut-num:        AS1759
as-name:        TSF-IP-Core
descr:          Telia Finland Oyj
descr:          http://www.telia.fi, looking-glass lg.sonera.net
descr:          -------------------------------------------------------
remarks:        TSIC-AS
remarks:        =============================================================
remarks:        TSF DATANET-NGD-AS
remarks:        =============================================================
remarks:        ALPIT NORDIC OY
remarks:        =============================================================
remarks:        SETERA
remarks:        =============================================================
remarks:        AX NETWORKS AB
remarks:        =============================================================
remarks:        RUBYNET OY
remarks:        =============================================================
remarks:        DATACRUNCH OY
remarks:        =============================================================
remarks:        TUVE-AS
remarks:        =============================================================
remarks:        LapIT
remarks:        =============================================================
remarks:        MCI_EMEA-AS
remarks:        =============================================================
remarks:        FINGRID-AS
remarks:        =============================================================
remarks:        UPM-KYMMENE-AS
remarks:        =============================================================
remarks:        FI-PMO-AS
remarks:        =============================================================
remarks:        CYGATE-AS
remarks:        =============================================================
remarks:        FORTUM-AS
remarks:        =============================================================
remarks:        NOKIA MOBILE PHONES WIRELESS FUTURE LABORATORY
remarks:        =============================================================
remarks:        NOKIAN-AS
remarks:        =============================================================
remarks:        SAMPO_OYJ-AS
remarks:        =============================================================
remarks:        ONLINESOLUTIONS-AS
remarks:        =============================================================
remarks:        Nebula Oy
remarks:        =============================================================
remarks:        Net Servant Oy
remarks:        =============================================================
remarks:        TNNet Oy
remarks:        =============================================================
remarks:        FICORA
remarks:        =============================================================
remarks:        Cap Gemini
remarks:        =============================================================
remarks:        Sanoma-AS
remarks:        =============================================================
remarks:        Ruukki-AS
remarks:        =============================================================
remarks:        OKOBANK-AS
remarks:        =============================================================
remarks:        VK-VIP-AS
remarks:        =============================================================
remarks:        SALOMAA-AS
remarks:        =============================================================
remarks:        ARTIO-AS
remarks:        =============================================================
remarks:        LAN-WAN
remarks:        =============================================================
remarks:        Cybercom Plenware Oy
remarks:        =============================================================
remarks:        VRK-AS
remarks:        =============================================================
remarks:        NISCAYAH-GROUP-FI
remarks:        Niscayah Group AB
remarks:        =============================================================
remarks:        CRESCOM-AS
remarks:        Crescom Oy
remarks:        =============================================================
remarks:        STT-AS
remarks:        =============================================================
remarks:        HP-EUROPE-AS-TRADE
remarks:        =============================================================
remarks:        Netplaza-AS
remarks:        =============================================================
remarks:        Yleisradio Oy
remarks:        =============================================================
remarks:        Haahtela-kehtiys Oy
remarks:        =============================================================
remarks:        European Chemicals Agency
remarks:        =============================================================
remarks:        Tieto Finland Oy
remarks:        =============================================================
remarks:        TS-Yhtyma
remarks:        =============================================================
remarks:        Tamico Oy
remarks:        =============================================================
remarks:        Baytems Holdings Oy
remarks:        =============================================================
remarks:        BC-CLOUD-SERVICES
remarks:        =============================================================
remarks:        Seltimil Oy
remarks:        =============================================================
remarks:        Euronic Oy
remarks:        =============================================================
remarks:        OULUDC
remarks:        =============================================================
remarks:        Metsaliitto osuuskunta
remarks:        =============================================================
remarks:        KEVA
remarks:        =============================================================
remarks:        ENFO-FI-AS
remarks:        =============================================================
remarks:        Suomen Kuntaliitto ry
remarks:        =============================================================
remarks:        Scandicom Oy
remarks:        =============================================================
remarks:        KEMI-FI
remarks:        =============================================================
remarks:        NOKIA-HELSINKI
remarks:        =============================================================
remarks:        FNE-Finland Oy
remarks:        =============================================================
remarks:        Luoteis-Kuhmon kylaverkko-osuuskunta
remarks:        =============================================================
remarks:        FICOLO
remarks:        =============================================================
remarks:        Prog-It Oy
remarks:        =============================================================
remarks:        Virve Tuotteet ja Palvelut Oy
remarks:        =============================================================
remarks:        S1NETWORKS
remarks:        =============================================================
remarks:        Atkos
remarks:        =============================================================
remarks:        MLOY-AS
remarks:        =============================================================
remarks:        DIGITA
remarks:        =============================================================
remarks:        PLANMECA
remarks:        =============================================================
remarks:        Moment Digital Oy
remarks:        =============================================================
remarks:        Protacon
remarks:        =============================================================
remarks:        Turun kaupunki
remarks:        ============================================================
remarks:        European Chemicals Agency
remarks:        ============================================================
remarks:        NGENA GMBH
remarks:        ============================================================
remarks:        ALCATEL-AS
remarks:        ============================================================
remarks:        RBIT-AS
remarks:        ============================================================
remarks:        EPSHP-FI
remarks:        ============================================================
remarks:        Semel
remarks:        ============================================================
remarks:        Optimesys
remarks:        ============================================================
remarks:        Kuntarahoitus Oyj
remarks:        ============================================================
remarks:        Evli
remarks:        ============================================================
remarks:        Kaleva
remarks:        ============================================================
remarks:        Cuuma Communications Oy
remarks:        ============================================================
remarks:        Luolakallio
remarks:        ============================================================
remarks:        Finavia Oyj
remarks:        ============================================================
remarks:        Op Palvelut Oy
remarks:        ============================================================
remarks:        TELIA INMICS-NEBULA OY
remarks:        ============================================================
remarks:        Suomen Yhteisverkko Oy
remarks:        ============================================================
remarks:        Anygraaf Oy
remarks:        ============================================================
remarks:        Tietokeskus Finland Oy
remarks:        ============================================================
remarks:        Printcom Center Oy
remarks:        ============================================================
remarks:        Oy Turku Energia Abo Energi Ab
remarks:        ============================================================
remarks:        Avarn Security
remarks:        ============================================================
remarks:        Kaakkois-Suomen Tieto
remarks:        ============================================================
remarks:        Sector Alarm
remarks:        ============================================================
remarks:        Meidan IT ja talous Oy
remarks:        ============================================================
remarks:        DATACENTER GROUP OY
remarks:        ============================================================
remarks:        S-INFRA OY
remarks:        ============================================================
remarks:        VALTORI-DC-AS
remarks:        =============================================================
remarks:        DESTINY FOR SERVICE PROVIDERS AB
remarks:        ============================================================
remarks:        FICIX peers
remarks:        Following signaling communities are available for FICIX peers:
remarks:        1759:1110 Set local pref 110
remarks:        (lower than CIX default local pref)
remarks:        =============================================================
remarks:        ELISA-AS
remarks:        =============================================================
remarks:        FUJITSU INVIA FINLAND
remarks:        =============================================================
remarks:        FUNET-AS
remarks:        =============================================================
remarks:        TDCSONG
remarks:        =============================================================
remarks:        EUNET-FINLAND
remarks:        =============================================================
remarks:        NETNOD-IX
remarks:        ============================================================
remarks:        FINNET-AS
remarks:        ============================================================
remarks:        HTV
remarks:        ============================================================
remarks:        MULTI-AS
remarks:        ============================================================
remarks:        ACADEMICA
remarks:        ============================================================
remarks:        PLANEETTA-AS
remarks:        =============================================================
remarks:        ============================================================
remarks:        MMD NETWORKS OY
remarks:        ============================================================
remarks:        Community support for transit customers
remarks:        ============================================================
remarks:        1759:1050 Set local pref 50 (lower than upstream LP)
remarks:        1759:1110 Set local pref 110 (lower than CIX LP)
remarks:        1759:1150 Set local pref 150 (lower than primary customer LP)
remarks:        1759:666 Black hole routing
remarks:        Prepend x times (x=1,2,3) or do NOT announce (x=0)
remarks:        1759:100X All direct peers
remarks:        1759:200x Upstream Provider
remarks:        1759:300X Cix and private peers
remarks:        1759:400x CIX
remarks:        1759:500x Private peers
remarks:        =============================================================
org:            ORG-SA28-RIPE
admin-c:        PL841-RIPE
tech-c:         TK14483-RIPE
status:         LEGACY
mnt-by:         DATANET-NOC
mnt-by:         RIPE-NCC-LEGACY-MNT
created:        2002-09-19T08:51:22Z
last-modified:  2026-08-21T08:24:11Z
source:         RIPE
% 254 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/1759

const res = await fetch('https://ip-fd.net/api/v1/asn/1759', {
  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/1759', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/1759');
curl_setopt($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/1759", 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.

AS6667	Elisa Oyj EUNET-FINLAND
AS42708	Glesys AB GLESYS