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AS48539 bifrost-systems Bifrost Systems OU

bifrost-systems Bifrost Systems OU · registered in Estonia

IPv4 addresses9,98435 prefixes · <0.001% of announced IPv4
Rank in Estonia#17largest network in EE by IPv4 space, of 173 · 0.70% of EE
Rank worldwide#9,127of 79,396 networks with IPv4
IPv64 x /484 prefixes
CountryEstonia183 ASNs registered there
Open AS48539 in ASN lookup Look up an IP in this network (2.152.78.1) All networks in Estonia

IPv4 prefixes

All 35 prefixes, in address order.

  • 2.152.78.0/24
  • 5.252.156.0/24
  • 45.81.151.0/24
  • 45.85.120.0/24
  • 45.85.122.0/23
  • 79.98.39.0/24
  • 86.105.204.0/24
  • 87.192.81.0/24
  • 89.21.84.0/24
  • 89.28.207.0/24
  • 89.251.27.0/24
  • 89.251.31.0/24
  • 91.210.147.0/24
  • 91.226.57.0/24
  • 109.205.189.0/24
  • 130.78.10.0/24
  • 146.19.131.0/24
  • 152.89.195.0/24
  • 178.17.247.0/24
  • 178.212.137.0/24
  • 185.209.86.0/23
  • 188.66.25.0/24
  • 188.244.96.0/23
  • 192.145.53.0/24
  • 193.93.55.0/24
  • 193.148.247.0/24
  • 193.246.161.0/24
  • 194.63.144.0/24
  • 194.147.218.0/24
  • 194.238.77.0/24
  • 195.123.188.0/24
  • 213.109.181.0/24
  • 213.218.163.0/24
  • 213.239.152.0/23
  • 217.180.23.0/24

IPv6 prefixes

All 4 prefixes.

  • 2a11:6a00::/48
  • 2a12:2780::/48
  • 2a12:8200::/48
  • 2a12:ab00::/48

Similar-sized networks in Estonia

ASNNameIPv4 addresses
AS34702#14 WAVECOM-AS Aktsiaselts WaveCom15,616
AS206804#15 EstNOC-GLOBAL Realcloud OU14,848
AS218809#16 yadda-voxn Yadda OU11,264
AS198966#18 FILL Fill Networks OU9,216
AS62212#19 EE SmartApe OU8,960
AS204595#20 UUSPROGRAMM UUS PROGRAMM8,960

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