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AS1759

Telia Finland Oyj

RIPE NCC FI active Announced
More ASNs in Finland →
Organization
Telia Finland Oyj
TSF-IP-Core
Registered
Sep 01, 1993
33 years ago
IPv4 Prefixes
118
3.3M addresses
IPv6 Prefixes
12
852,485 × /48
BGP Neighbours
60
2 upstream/peer · 57 downstream · 1 collector-only

Registration

AS Number AS1759 AS Name TSF-IP-Core Organization Telia Finland Oyj Organization ID ORG-SA28-RIPE Address Pasilan asema-aukio 1, 00520, Helsinki, FINLAND Country Finland (FI) Registry RIPE NCC Allocated Sep 01, 1993 Record Created Sep 19, 2002 Last Updated Aug 21, 2026 Status
active
WHOIS Server whois.ripe.net AS Description TSF-IP-Core - Telia Finland Oyj, FI Remarks Telia Finland Oyj, http://www.telia.fi, looking-glass lg.sonera.net, -------------------------------------------------------, TSIC-AS, =============================================================, TSF DATANET-NGD-AS, ALPIT NORDIC OY, SETERA, AX NETWORKS AB, RUBYNET OY, DATACRUNCH OY, TUVE-AS, LapIT… Abuse Email [email protected] Abuse Phone +358 2040 1

IPv4 Prefixes

118 prefixes · 3.3M addresses · 109 top-level Routing data as of 2026-10-07 16:00 UTC

45.0.0.0/8 · 1 prefix · 1,024 addresses
PrefixRangeAddresses
45.14.40.0/2245.14.40.0 – 45.14.43.2551,024
46.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
46.132.0.0/1646.132.0.0 – 46.132.255.25565,536
62.0.0.0/8 · 2 prefixes · 73,728 addresses
PrefixRangeAddresses
62.71.0.0/1662.71.0.0 – 62.71.255.25565,536
62.73.32.0/1962.73.32.0 – 62.73.63.2558,192
77.0.0.0/8 · 1 prefix · 256 addresses
PrefixRangeAddresses
77.247.196.0/2477.247.196.0 – 77.247.196.255256
80.0.0.0/8 · 2 prefixes · 270,336 addresses
PrefixRangeAddresses
80.74.192.0/1980.74.192.0 – 80.74.223.2558,192
80.220.0.0/1480.220.0.0 – 80.223.255.255262,144
81.0.0.0/8 · 1 prefix · 4,096 addresses
PrefixRangeAddresses
81.16.64.0/2081.16.64.0 – 81.16.79.2554,096
82.0.0.0/8 · 1 prefix · 8,192 addresses
PrefixRangeAddresses
82.195.192.0/1982.195.192.0 – 82.195.223.2558,192
84.0.0.0/8 · 2 prefixes · 327,680 addresses
PrefixRangeAddresses
84.34.0.0/1684.34.0.0 – 84.34.255.25565,536
84.248.0.0/1484.248.0.0 – 84.251.255.255262,144
86.0.0.0/8 · 2 prefixes · 131,072 addresses
PrefixRangeAddresses
86.114.0.0/1686.114.0.0 – 86.114.255.25565,536
86.115.0.0/1686.115.0.0 – 86.115.255.25565,536
88.0.0.0/8 · 2 prefixes · 270,336 addresses
PrefixRangeAddresses
88.86.128.0/1988.86.128.0 – 88.86.159.2558,192
88.192.0.0/1488.192.0.0 – 88.195.255.255262,144
89.0.0.0/8 · 1 prefix · 256 addresses
PrefixRangeAddresses
89.200.198.0/2489.200.198.0 – 89.200.198.255256
91.0.0.0/8 · 9 prefixes · 3,328 addresses
PrefixRangeAddresses
91.214.164.0/2291.214.164.0 – 91.214.167.2551,024
91.214.165.0/2491.214.165.0 – 91.214.165.255256
91.214.167.0/2491.214.167.0 – 91.214.167.255256
91.216.136.0/2491.216.136.0 – 91.216.136.255256
91.217.116.0/2491.217.116.0 – 91.217.116.255256
91.217.117.0/2491.217.117.0 – 91.217.117.255256
91.217.248.0/2491.217.248.0 – 91.217.248.255256
91.217.252.0/2491.217.252.0 – 91.217.252.255256
91.222.188.0/2291.222.188.0 – 91.222.191.2551,024
93.0.0.0/8 · 3 prefixes · 68,608 addresses
PrefixRangeAddresses
93.91.176.0/2193.91.176.0 – 93.91.183.2552,048
93.91.184.0/2293.91.184.0 – 93.91.187.2551,024
93.106.0.0/1693.106.0.0 – 93.106.255.25565,536
94.0.0.0/8 · 1 prefix · 512 addresses
PrefixRangeAddresses
94.101.8.0/2394.101.8.0 – 94.101.9.255512
109.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
109.240.0.0/16109.240.0.0 – 109.240.255.25565,536
131.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
131.177.0.0/16131.177.0.0 – 131.177.255.25565,536
139.0.0.0/8 · 3 prefixes · 131,328 addresses
PrefixRangeAddresses
139.74.0.0/16139.74.0.0 – 139.74.255.25565,536
139.157.0.0/16139.157.0.0 – 139.157.255.25565,536
139.181.9.0/24139.181.9.0 – 139.181.9.255256
140.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
140.151.0.0/16140.151.0.0 – 140.151.255.25565,536
141.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
141.208.0.0/16141.208.0.0 – 141.208.255.25565,536
144.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
144.4.0.0/16144.4.0.0 – 144.4.255.25565,536
147.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
147.44.0.0/16147.44.0.0 – 147.44.255.25565,536
160.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
160.71.0.0/16160.71.0.0 – 160.71.255.25565,536
176.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
176.72.0.0/16176.72.0.0 – 176.72.255.25565,536
185.0.0.0/8 · 2 prefixes · 768 addresses
PrefixRangeAddresses
185.31.70.0/23185.31.70.0 – 185.31.71.255512
185.81.91.0/24185.81.91.0 – 185.81.91.255256
188.0.0.0/8 · 1 prefix · 65,536 addresses
PrefixRangeAddresses
188.238.0.0/16188.238.0.0 – 188.238.255.25565,536
192.0.0.0/8 · 18 prefixes · 236,544 addresses
PrefixRangeAddresses
192.58.42.0/23192.58.42.0 – 192.58.43.255512
192.58.44.0/22192.58.44.0 – 192.58.47.2551,024
192.58.48.0/20192.58.48.0 – 192.58.63.2554,096
192.58.64.0/20192.58.64.0 – 192.58.79.2554,096
192.58.80.0/21192.58.80.0 – 192.58.87.2552,048
192.58.88.0/23192.58.88.0 – 192.58.89.255512
192.83.0.0/18192.83.0.0 – 192.83.63.25516,384
192.83.64.0/19192.83.64.0 – 192.83.95.2558,192
192.83.96.0/22192.83.96.0 – 192.83.99.2551,024
192.83.100.0/24192.83.100.0 – 192.83.100.255256
192.89.0.0/16192.89.0.0 – 192.89.255.25565,536
192.89.123.0/24192.89.123.0 – 192.89.123.255256
192.103.112.0/22192.103.112.0 – 192.103.115.2551,024
192.126.63.0/24192.126.63.0 – 192.126.63.255256
192.126.64.0/24192.126.64.0 – 192.126.64.255256
192.130.0.0/16192.130.0.0 – 192.130.255.25565,536
192.136.9.0/24192.136.9.0 – 192.136.9.255256
192.194.0.0/16192.194.0.0 – 192.194.255.25565,536
193.0.0.0/8 · 25 prefixes · 272,640 addresses
PrefixRangeAddresses
193.111.93.0/24193.111.93.0 – 193.111.93.255256
193.111.118.0/23193.111.118.0 – 193.111.119.255512
193.111.118.0/24193.111.118.0 – 193.111.118.255256
193.142.2.0/24193.142.2.0 – 193.142.2.255256
193.142.26.0/24193.142.26.0 – 193.142.26.255256
193.142.122.0/23193.142.122.0 – 193.142.123.255512
193.142.150.0/24193.142.150.0 – 193.142.150.255256
193.143.4.0/24193.143.4.0 – 193.143.4.255256
193.143.99.0/24193.143.99.0 – 193.143.99.255256
193.143.100.0/24193.143.100.0 – 193.143.100.255256
193.143.101.0/24193.143.101.0 – 193.143.101.255256
193.143.102.0/23193.143.102.0 – 193.143.103.255512
193.143.104.0/21193.143.104.0 – 193.143.111.2552,048
193.143.112.0/23193.143.112.0 – 193.143.113.255512
193.143.114.0/24193.143.114.0 – 193.143.114.255256
193.143.115.0/24193.143.115.0 – 193.143.115.255256
193.143.116.0/23193.143.116.0 – 193.143.117.255512
193.143.118.0/24193.143.118.0 – 193.143.118.255256
193.143.232.0/21193.143.232.0 – 193.143.239.2552,048
193.143.232.0/22193.143.232.0 – 193.143.235.2551,024
193.143.236.0/22193.143.236.0 – 193.143.239.2551,024
193.208.0.0/14193.208.0.0 – 193.211.255.255262,144
193.210.18.0/24193.210.18.0 – 193.210.18.255256
193.210.19.0/24193.210.19.0 – 193.210.19.255256
193.238.4.0/22193.238.4.0 – 193.238.7.2551,024
194.0.0.0/8 · 20 prefixes · 527,360 addresses
PrefixRangeAddresses
194.42.56.0/23194.42.56.0 – 194.42.57.255512
194.42.58.0/24194.42.58.0 – 194.42.58.255256
194.42.59.0/24194.42.59.0 – 194.42.59.255256
194.42.60.0/24194.42.60.0 – 194.42.60.255256
194.42.61.0/24194.42.61.0 – 194.42.61.255256
194.42.63.0/24194.42.63.0 – 194.42.63.255256
194.50.168.0/24194.50.168.0 – 194.50.168.255256
194.89.0.0/16194.89.0.0 – 194.89.255.25565,536
194.110.62.0/24194.110.62.0 – 194.110.62.255256
194.110.63.0/24194.110.63.0 – 194.110.63.255256
194.111.0.0/16194.111.0.0 – 194.111.255.25565,536
194.126.212.0/24194.126.212.0 – 194.126.212.255256
194.137.0.0/16194.137.0.0 – 194.137.255.25565,536
194.142.0.0/16194.142.0.0 – 194.142.255.25565,536
194.188.145.0/24194.188.145.0 – 194.188.145.255256
194.197.0.0/16194.197.0.0 – 194.197.255.25565,536
194.197.68.0/24194.197.68.0 – 194.197.68.255256
194.215.0.0/16194.215.0.0 – 194.215.255.25565,536
194.251.0.0/16194.251.0.0 – 194.251.255.25565,536
194.252.0.0/16194.252.0.0 – 194.252.255.25565,536
195.0.0.0/8 · 3 prefixes · 131,328 addresses
PrefixRangeAddresses
195.156.0.0/16195.156.0.0 – 195.156.255.25565,536
195.165.0.0/16195.165.0.0 – 195.165.255.25565,536
195.248.86.0/24195.248.86.0 – 195.248.86.255256
212.0.0.0/8 · 5 prefixes · 114,688 addresses
PrefixRangeAddresses
212.83.96.0/19212.83.96.0 – 212.83.127.2558,192
212.94.64.0/19212.94.64.0 – 212.94.95.2558,192
212.149.64.0/18212.149.64.0 – 212.149.127.25516,384
212.182.192.0/18212.182.192.0 – 212.182.255.25516,384
212.213.0.0/16212.213.0.0 – 212.213.255.25565,536
213.0.0.0/8 · 3 prefixes · 81,920 addresses
PrefixRangeAddresses
213.28.0.0/16213.28.0.0 – 213.28.255.25565,536
213.140.160.0/19213.140.160.0 – 213.140.191.2558,192
213.173.128.0/19213.173.128.0 – 213.173.159.2558,192
217.0.0.0/8 · 1 prefix · 32,768 addresses
PrefixRangeAddresses
217.140.128.0/17217.140.128.0 – 217.140.255.25532,768

IPv6 Prefixes

12 prefixes · 852,485 × /48 Routing data as of 2026-10-07 16:00 UTC

BGP Neighbours

60 unique neighbours · 2 upstream/peer · 57 downstream · 1 collector-only. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries.

Upstream & peer side (2)

Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS1299TWELVE99 Arelion Sweden AB10,69788,2968,830
AS42708GLESYS Glesys AB4929232

Downstream side (57)

Networks seen to the right of this AS in BGP paths — networks whose routes it carries, typically its customers (downstreams).

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS51164KNOWIT-FI Knowit Solutions Oy7541,463940
AS29422NBLNETWORKS-AS Telia Cygate Oy5803,995666
AS51188CRESCOM-AS Telia Cygate Oy3302,323660
AS205250TURUNKAUPUNKI Turun Kaupunki3293,320666
AS8983Nokia-AS Nokia Solutions and Networks Oy2984,7091,013
AS41701CAP-FIN-AS Capgemini Finland Oy2931,245176
AS57066yle Yleisradio Oy285372329
AS1234FORTUM-AS - IDDQD-AS2848980
AS211848PRINTCOM-AS Fraidei Oy2585190
AS29601UPM-KYMMENE-AS UPM-Kymmene Oyj2544,3200
AS50675DSTNY-FINLAND Dstny BE N.V.2537790
AS209123RBIT-AS rBit Ab2531,3250
AS764FI-PMO-AS - IDDQD-AS2499,9600
AS30978ATKOS-AS Posti Group Oyj2493330
AS41648RUUKKI Rautaruukki Oyj2493330
AS203817noste-as Kuhmon kylaverkko-osuuskunta2493320
AS50845VeriFone-EMEA VeriFone Systems France SAS2483320
AS198737TS-YHTYMA TS-Yhtyma Oy2489960
AS200137AXNET AX Networks Ab2489960
AS204954KSTIETO-AS Kaakkois-Suomen Tieto Oy2483320
AS206175PKMKV Meidan IT ja talous Oy2486640
AS210180Kalevafi Kaleva Oy2489960
AS215722LAPIT-AS LapIT Oy2483320
AS50603ARTIO-AS Artio Oy2473310
AS204452VRK-AS Vaestorekisterikeskus2473310
AS207670KUNTARAHOITUS Kuntarahoitus Oyj244376254
AS1738OKOBANK-AS OP Osuuskunta2412,2550
AS50290VK-VALTORI-AS Valtion tieto - Ja viestintatekniikkakeskus Valtori2341,5530
AS200630valtori-dc-as Valtion tieto - Ja viestintatekniikkakeskus Valtori2072660
AS199169SA-Finland_OY SECTOR ALARM TECH AS2052640
AS214692VALTORI-AS Valtion tieto- ja viestintatekniikkakeskus, TUVE-palvelut1894620
AS203609erillisverkot Suomen Erillisverkot Oy1862320
AS24809IF-AS If Skadeforsakring AB1842280
AS209457EPSHP-FI Etela-Pohjanmaan Hyvinvointialue1834580
AS25391SSH-AS SSH Communications Security Corporation1361650
AS209682FINAVIA Finavia Oyj1321780
AS29282ENFO-FI-AS Enfo Oy9934595
AS41242Sofor-ripe Sofor Oy912400
AS34541ONLINESOLUTIONS-AS Online Solutions Oy881130
AS198514AlsoCloudOy ALSO Cloud Oy871120
AS60846NOKIAN-AS Nokian Renkaat Oyj812070
AS209633semel Semel Oy71890
AS62254AVARN-FI Avarn Security Oy66810
AS60414NETINCH Baytems Holdings Oy5817756
AS207038MLOY-AS Mtech Digital Solutions Oy585956
AS214100rubynet-as RubyNet Oy49610
AS41369DATACENTER-AS Advania Finland Oy481380
AS61074AS-CUUMA Cuuma Communications Oy43570
AS203296DEI Kristillinen Media Oy43580
AS199486TIETOKESKUS-AS Tietokeskus Finland Oy156517
AS12582TSF-DATANET-NGD-AS Telia Finland Oyj220
AS49430PIHLAJALINNA-AS Pihlajalinna Terveys Oy220
AS197115KEVA KEVA220
AS39662FI-FICORA-AS Finnish Transport and Communications Agency122
AS50420NISCAYAH-GROUP-FI Niscayah Group AB120
AS58003PLANEETTA-AS Planeetta Internet Oy101
AS61340PROG-IT Prog-It Oy140

Collector-only (1)

Networks seen to the left of this AS only when they peer directly with a RIPE RIS route collector, so the adjacency may be an artefact of that peering; many of them also appear on the downstream side.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS6667EUNET-FINLAND Elisa Oyj4726756

Raw RDAP Response

{
  "handle": "AS1759",
  "startAutnum": 1759,
  "endAutnum": 1759,
  "name": "TSF-IP-Core",
  "status": [
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  "entities": [
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      "vcardArray": [
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            "text",
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          [
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            "text",
            "REDACTED"
          ],
          [
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            "text",
            "individual"
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        ]
      ],
      "roles": [
        "registrant"
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      "links": [
        {
          "value": "https://rdap.db.ripe.net/autnum/1759",
          "rel": "self",
          "href": "https://rdap.db.ripe.net/entity/DATANET-NOC"
        },
        {
          "value": "http://www.ripe.net/data-tools/support/documentation/terms",
          "rel": "copyright",
          "href": "http://www.ripe.net/data-tools/support/documentation/terms"
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      ],
      "objectClassName": "entity"
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    {
      "handle": "ORG-SA28-RIPE",
      "vcardArray": [
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        [
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            {},
            "text",
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          ],
          [
            "fn",
            {},
            "text",
            "Telia Finland Oyj"
          ],
          [
            "kind",
            {},
            "text",
            "org"
          ],
          [
            "adr",
            {
              "label": "Pasilan asema-aukio 1\n00520\nHelsinki\nFINLAND"
            },
            "text",
            [
              "",
              "",
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              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
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        ]
      ],
      "roles": [
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      "links": [
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          "href": "https://rdap.db.ripe.net/entity/ORG-SA28-RIPE"
        },
        {
          "value": "http://www.ripe.net/data-tools/support/documentation/terms",
          "rel": "copyright",
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      ],
      "objectClassName": "entity"
    },
    {
      "handle": "PL841-RIPE",
      "vcardArray": [
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          [
            "kind",
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        ]
      ],
      "roles": [
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      ],
      "links": [
        {
          "value": "https://rdap.db.ripe.net/autnum/1759",
          "rel": "self",
          "href": "https://rdap.db.ripe.net/entity/PL841-RIPE"
        },
        {
          "value": "http://www.ripe.net/data-tools/support/documentation/terms",
          "rel": "copyright",
          "href": "http://www.ripe.net/data-tools/support/documentation/terms"
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      ],
      "objectClassName": "entity"
    },
    {
      "handle": "RIPE-NCC-LEGACY-MNT",
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
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          ],
          [
            "fn",
            {},
            "text",
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          ],
          [
            "kind",
            {},
            "text",
            "individual"
          ]
        ]
      ],
      "roles": [
        "registrant"
      ],
      "links": [
        {
          "value": "https://rdap.db.ripe.net/autnum/1759",
          "rel": "self",
          "href": "https://rdap.db.ripe.net/entity/RIPE-NCC-LEGACY-MNT"
        },
        {
          "value": "http://www.ripe.net/data-tools/support/documentation/terms",
          "rel": "copyright",
          "href": "http://www.ripe.net/data-tools/support/documentation/terms"
        }
      ],
      "objectClassName": "entity"
    },
    {
      "handle": "TK14483-RIPE",
      "vcardArray": [
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        [
          [
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          [
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          [
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            {},
            "text",
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      "roles": [
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      "links": [
        {
          "value": "https://rdap.db.ripe.net/autnum/1759",
          "rel": "self",
          "href": "https://rdap.db.ripe.net/entity/TK14483-RIPE"
        },
        {
          "value": "http://www.ripe.net/data-tools/support/documentation/terms",
          "rel": "copyright",
          "href": "http://www.ripe.net/data-tools/support/documentation/terms"
        }
      ],
      "objectClassName": "entity"
    },
    {
      "handle": "RSF6-RIPE",
      "vcardArray": [
        "vcard",
        [
          [
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          [
            "fn",
            {},
            "text",
            "Registry Telia Finland"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Telia Finland Oyj\nHatanpaankatu 1\n33900 TAMPERE\nFinland"
            },
            "text",
            [
              "",
              "",
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Contact details of private individuals are redacted.