AS25424 — INEXT-CZ InterneXt 2000, s.r.o.

Network type: residential

AS25424 announces 7 IPv4 prefixes covering 33,792 addresses and 2 IPv6 prefixes.

About this network

The AS handle INEXT-CZ is held by InterneXt 2000, s.r.o.

What it's used for

• The address space carries residential customer traffic, evidenced by reverse DNS entries such as cust-77-92-215-254.inext.cz and cust-212-111-23-254.inext.cz.
• The network announces 33,792 IPv4 addresses across 7 prefixes and maintains 24 observed neighbours, a ratio consistent with a regional access provider rather than a transit hub.

Notable

• All registrants for the announced prefixes are listed as CEZNET s.r.o.; INTERNEXT 2000 ABUSE, indicating a unified ownership structure where the registrant name reflects the historical entity.
• The address inventory consists of seven distinct IPv4 blocks, including /19s and smaller /21s and /22s, all registered under the netname pattern CZ-CEZNET21.

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

Announced prefixes

• 37.9.192.0/21
• 77.92.192.0/19
• 85.92.32.0/19
• 91.109.32.0/21
• 185.157.196.0/22
• 188.244.48.0/20
• 212.111.0.0/19
• 2a00:e580::/29
• 2a0a:3340::/29

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS39791 Telco Pro Services, a. s.
• AS24482 SG.GS
• AS29504 Freenet Liberec, z.s.
• AS57463 NetIX Communications JSC
• AS8218 Zayo Infrastructure France SA

Downstream networks

• AS6740 CEZNET s.r.o.
• AS211137 ISP Services spol. s.r.o.,
• AS49580 Monet +, a.s.

Adjacent networks

• AS1299 Arelion Sweden AB
• AS6740 CEZNET s.r.o.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS39791 Telco Pro Services, a. s.
• AS211137 ISP Services spol. s.r.o.,
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS49580 Monet +, a.s.
• AS8218 Zayo Infrastructure France SA

Internet exchanges

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