AS203993

Name: AS203993 — S.J.M. Steffann
Creator: ipdex

S.J.M. Steffann Education registered in Netherlands

1IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#10,998AS Rank

324/327RIS visibility

#908Rank in Netherlands

2015-09-16Allocated

S.J.M. Steffann (AS203993) — Education, registered in Netherlands. announces 1 IPv4 prefixes + 1 IPv6 prefixes. Rank in Netherlands: #908. Allocated: 2015-09-16.

IPv4 1IPv6 1

Announced prefixes · 2

v4 185.54.92.0/23 valid
v6 2a00:8642::/32 valid

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

Routing: 4 IPv4 · 4 IPv6 announced · RIS visibility 324/327 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	2
2026-06-13	2

Internet Exchanges · 1

Speed-IX Dronten 1 Gbps

Facilities · 1

1 Facilities · 1 Countries

KoloDC NL3 Apeldoorn

AS topology · Customer cone 2

Providers · 2

AS50673 Serverius
AS12414 Solcon Internetdiensten B.V.

Peers · 30

AS6939 Hurricane Electric LLC
AS1031 PEER-1
AS22356 Durand do Brasil Ltda
AS5405 Inter.link GmbH
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA
AS271253 LINK BRASIL TELECOMUNICACOES LTDA

Customers · 1

AS8038 6connect, Inc.

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