AS39790 — WEB4U

Network type: hosting

AS39790 announces 2 IPv4 prefixes covering 5,120 addresses and 1 IPv6 prefixes.

About this network

The AS handle WEB4U is operated by Web4U s.r.o.

What it's used for

• The address space carries web hosting and domain registration services, evidenced by netnames CZ-WEB4USRO-20060425 and CZ-WEB4USRO-20130108 and reverse DNS entries pointing to web4u.cz.
• The network announces 5120 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with 22 observed neighbours, indicating a business-oriented hosting provider rather than a large-scale residential access network.
• Traffic from this AS consists of web hosting endpoints, domain name services, and associated cloud infrastructure for its customer base.

Notable

• Registrants for both announced IPv4 prefixes are consistently listed as Web4U s.r.o., matching the AS holder.
• Web4U s.r.o. was acquired by the Miss Group, a Perwyn-backed entity, expanding its portfolio in the web hosting and cloud infrastructure sector.
• The inventory includes a /20 and a /22 block, with the latter acquired in 2013 according to the netname date, reflecting organic growth of the hosting estate.

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

Announced prefixes

• 81.91.80.0/20
• 185.14.224.0/22
• 2001:1568::/32

Upstream networks

• AS199803 ComSource s.r.o.
• AS25248 RADIOKOMUNIKACE a.s.
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS8218 Zayo Infrastructure France SA
• AS57463 NetIX Communications JSC

Adjacent networks

• AS199803 ComSource s.r.o.
• AS25248 RADIOKOMUNIKACE a.s.
• AS6939 Hurricane Electric LLC
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS8218 Zayo Infrastructure France SA
• AS57463 NetIX Communications JSC

Internet exchanges

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