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AS1741 Tieteen tietotekniikan keskus Oy

FUNETAS CSC - Tieteen tietotekniikan keskus Oy · registered in Finland

IPv4 addresses609,79228 prefixes · 0.019% of announced IPv4
Rank in Finland#4largest network in FI by IPv4 space, of 280 · 4.93% of FI
Rank worldwide#499of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)17 prefixes
CountryFinland292 ASNs registered there
Open AS1741 in ASN lookup Look up an IP in this network (86.50.0.1) All networks in Finland

IPv4 prefixes

All 28 prefixes, in address order.

  • 86.50.0.0/16
  • 128.214.0.0/16
  • 130.231.0.0/16
  • 130.232.0.0/16
  • 130.234.0.0/16
  • 157.24.0.0/16
  • 185.229.128.0/22
  • 192.26.123.0/24
  • 192.84.176.0/20
  • 192.84.192.0/21
  • 192.84.200.0/23
  • 192.84.202.0/24
  • 192.84.204.0/22
  • 192.98.6.0/24
  • 192.98.38.0/24
  • 192.98.64.0/19
  • 192.98.104.0/21
  • 193.166.0.0/22
  • 193.166.4.0/24
  • 193.166.5.0/24
  • 193.166.6.0/23
  • 193.166.8.0/21
  • 193.166.16.0/20
  • 193.166.32.0/19
  • 193.166.64.0/18
  • 193.166.128.0/17
  • 193.167.0.0/16
  • 195.148.0.0/16

IPv6 prefixes

All 17 prefixes.

  • 2001:708::/44
  • 2001:708:10::/48
  • 2001:708:11::/48
  • 2001:708:12::/47
  • 2001:708:14::/46
  • 2001:708:18::/45
  • 2001:708:20::/43
  • 2001:708:40::/42
  • 2001:708:80::/41
  • 2001:708:100::/40
  • 2001:708:200::/39
  • 2001:708:400::/38
  • 2001:708:800::/37
  • 2001:708:1000::/36
  • 2001:708:2000::/35
  • 2001:708:4000::/34
  • 2001:708:8000::/33

Similar-sized networks in Finland

ASNNameIPv4 addresses
AS719#1 ELISA-AS Elisa Oyj3,671,296
AS1759#2 TSF-IP-Core Telia Finland Oyj3,325,952
AS16086#3 DNA DNA Oyj1,889,280
AS200656#5 NOKIA-EMEA Nokia Solutions and Networks Oy202,752
AS29422#6 NBLNETWORKS-AS Telia Cygate Oy140,288
AS41701#7 CAP-FIN-AS Capgemini Finland Oy132,864

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources