AS28972 — MSOFT-AS Jihlava

AS28972 announces 6 IPv4 prefixes covering 12,800 addresses and 4 IPv6 prefixes.

About this network

MSOFT-AS is operated by M-SOFT, spol. s r.o.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as ag-244-0.sta.ji.cz and ip-228-0.sta.ji.cz, which indicate static or dynamic customer endpoints in the Jihlava region.
• With 12,800 IPv4 addresses announced across 6 prefixes and 30 observed neighbours, the network functions as a regional access provider rather than a transit hub, serving local subscribers in the Czech Republic.

Notable

• Registrants for the majority of prefixes are consistent with the announcer, listing M-SOFT, spol. s r.o. for blocks including 79.141.240.0/20 and 213.226.224.0/20.
• Two smaller prefixes, 193.143.252.0/24 and 193.143.255.0/24, are registered to Bohumil Kozich and MEMORY computers s.r.o., suggesting a separate or historical allocation within the same AS.
• The inventory includes a mix of /20, /21, and /24 IPv4 blocks alongside four IPv6 prefixes, indicating a modernized infrastructure supporting both legacy and new address families.

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

Announced prefixes

• 79.141.240.0/20
• 178.216.144.0/21
• 193.143.252.0/24
• 193.143.255.0/24
• 213.226.224.0/20
• 213.226.240.0/21
• 2a02:5d01::/32
• 2a02:5d02::/31
• 2a02:5d04::/30
• 2a10:1bc0::/29

Upstream networks

• AS39392 SH.cz s.r.o.
• AS6939 Hurricane Electric LLC
• AS37721 Virtual Technologies & Solutions
• AS8218 Zayo Infrastructure France SA
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS20562 Broadband Hosting B.V.
• AS57463 NetIX Communications JSC

Downstream networks

• AS196861 DIGITAL ACTION s.r.o.

Adjacent networks

• AS39392 SH.cz s.r.o.
• AS6939 Hurricane Electric LLC
• AS196861 DIGITAL ACTION s.r.o.
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS29504 Freenet Liberec, z.s.
• AS57463 NetIX Communications JSC
• AS8218 Zayo Infrastructure France SA
• AS20562 Broadband Hosting B.V.

Internet exchanges

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