AS48539 — bifrost-systems Bifrost Systems OU

AS48539 announces 35 IPv4 prefixes covering 9,984 addresses and 4 IPv6 prefixes.

About this network

The AS handle BIFROST-SYSTEMS is held by Bifrost Systems OU.

What it's used for

• The address space carries mixed registrants, with netnames such as EE-BIFROST-20190605 and US-MISAKA-INC-20170620 indicating both Bifrost Systems and Misaka Network holdings.
• With 8704 IPv4 addresses announced across 30 prefixes and only 6 observed neighbours, the ratio suggests an access or business network rather than a transit provider.
• Traffic from this AS consists of business and enterprise endpoints, given the operator's classification as a computer consultation and IT services firm in Estonia.

Notable

• Registrants include Bifrost Systems OU and Misaka Network, Inc., with the latter holding specific prefixes like 185.209.86.0/23 and 188.244.96.0/23.
• The address inventory is finely subdivided into numerous /24 and /23 blocks, consistent with an internal corporate estate or managed service provider environment.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

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

Upstream networks

• AS917 Misaka Network, Inc.
• AS20473 The Constant Company, LLC
• AS58313 Misaka Network, Inc.
• AS35487 Misaka Network, Inc.
• AS48386 Misaka Network, Inc.

Adjacent networks

• AS917 Misaka Network, Inc.
• AS20473 The Constant Company, LLC
• AS58313 Misaka Network, Inc.
• AS35487 Misaka Network, Inc.
• AS48386 Misaka Network, Inc.

Routing security

• RPKI: 47 valid, 0 invalid and 0 not-found announcements; 46 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 57 route objects.
• Listed in as-sets: AS-HWNG-DOWNSTREAMS, AS-MISAKA-CUSTOMERS2, AS-OVH, AS-OXILION, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-XO-B, AS20473:AS-VULTR, AS917:AS-CUSTOMERS, AS917:AS-CUSTOMERS-LARGE.

Internet exchanges

• Neutral Internet Exchange — Amsterdam, Netherlands