AS51424

Name: AS51424 — Jiri Sperl
Creator: ipdex

Jiri Sperl Unknown registered in Czechia

6IPv4 prefixes

0IPv6 prefixes

50%RPKI-valid

#36,619AS Rank

327/327RIS visibility

#113Rank in Czechia

2010-08-20Allocated

Jiri Sperl (AS51424) — Unknown, registered in Czechia. announces 6 IPv4 prefixes + 0 IPv6 prefixes. Rank in Czechia: #113. Allocated: 2010-08-20.

IPv4 6IPv6 0

Announced prefixes · 6

v4 212.4.132.0/24 valid
v4 212.96.184.0/24 valid
v4 213.211.36.0/24 valid
v4 91.218.232.0/22 unknown
v4 91.218.232.0/23 unknown
v4 91.218.234.0/23 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 6 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	6
2026-06-13	6

AS topology · Customer cone 1

Providers · 2

AS12570 O2 Czech Republic, a.s.
AS204064 CEZNET s.r.o.

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