AS43037

Name: AS43037 — Seznam.cz, a.s.
Creator: ipdex

Seznam.cz, a.s. Content registered in Czechia

6IPv4 prefixes

6IPv6 prefixes

100%RPKI-valid

#9,279AS Rank

327/327RIS visibility

#51Rank in Czechia

2007-05-29Allocated

Seznam.cz, a.s. (AS43037) — Content, registered in Czechia. announces 6 IPv4 prefixes + 6 IPv6 prefixes. Rank in Czechia: #51. Allocated: 2007-05-29.

IPv4 6IPv6 6

Announced prefixes · 12

v4 185.66.188.0/22 valid
v4 77.75.72.0/23 valid
v4 77.75.74.0/24 valid
v4 77.75.75.0/24 valid
v4 77.75.76.0/23 valid
v4 77.75.78.0/23 valid
v6 2a02:598:2::/48 valid
v6 2a02:598:3333::/48 valid
v6 2a02:598:4444::/48 valid
v6 2a02:598::/32 valid
v6 2a02:598:a::/48 valid
v6 2a02:598:b::/48 valid

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

Routing: 6 IPv4 · 6 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	12
2026-06-13	12

Internet Exchanges · 3

NIX.CZ Prague 200 Gbps
NIX.CZ FENIX Prague 200 Gbps
DE-CIX Frankfurt Frankfurt 0 Mbps

AS topology · Customer cone 2

Providers · 2

AS29208 Quantcom, a.s.
AS5610 O2 Czech Republic, a.s.

Peers · 100

AS6939 Hurricane Electric LLC
AS22356 Durand do Brasil Ltda
AS7195 EDGEUNO S.A.S
AS37468 Angola Cables
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
AS20485 Joint Stock Company TransTeleCom

Customers · 1

AS200600 Seznam.cz datova centra, s.r.o.

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS43037 on ipdex](https://ipdex.io/badge/asn/43037.svg)](https://ipdex.io/asn/AS43037/)

HTML

<a href="https://ipdex.io/asn/AS43037/"><img src="https://ipdex.io/badge/asn/43037.svg" alt="AS43037 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/43037" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.