AS39817 — OVANET

AS39817 announces 2 IPv4 prefixes covering 4,352 addresses and 1 IPv6 prefixes.

About this network

The AS handle OVANET is held by OvaNet, a.s.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as ipm-219-254.city.ovanet.cz and 81.91.215.255-csdata.cz.
• The network announces 4,352 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, maintaining 22 observed neighbours, a ratio consistent with an access provider aggregating customer traffic.
• Traffic from this AS consists of subscriber eyeballs and local business endpoints within the Czech Republic, specifically in regions like Prague and Ostrava.

Notable

• Registrants for the primary block 81.91.208.0/20 align with the announcer, listing OvaNet, a.s., while the secondary block 83.119.14.0/24 is registered to EZILLY-NL with the netname M7-CZ-Infrastructure.
• The inventory is composed of one large /20 block and one smaller /24 block, with the latter showing euro.net reverse DNS records that differ from the primary OvaNet naming convention.

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

Announced prefixes

• 81.91.208.0/20
• 83.119.14.0/24
• 2a02:2310::/32

Upstream networks

• AS16019 Vodafone Czech Republic a.s.
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS8218 Zayo Infrastructure France SA
• AS57463 NetIX Communications JSC

Adjacent networks

• AS16019 Vodafone Czech Republic a.s.
• AS6939 Hurricane Electric LLC
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS8218 Zayo Infrastructure France SA
• AS57463 NetIX Communications JSC

Internet exchanges

• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic