AS210937

Name: AS210937 — Xiufeng Guo
Creator: ipdex

Xiufeng Guo ISP registered in Germany

2IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#11,233AS Rank

327/327RIS visibility

#1,344Rank in Germany

2021-08-05Allocated

Xiufeng Guo (AS210937) — ISP, registered in Germany. announces 2 IPv4 prefixes + 1 IPv6 prefixes. Rank in Germany: #1344. Allocated: 2021-08-05.

IPv4 2IPv6 1

Announced prefixes · 3

v4 141.11.11.0/24 valid
v4 46.175.133.0/24 valid
v6 2a09:1::/48 valid

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

Routing: 2 IPv4 · 2 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	3
2026-06-13	3

Internet Exchanges · 2

DE-CIX Frankfurt Frankfurt 100 Gbps
LOCIX FRANKFURT Frankfurt am Main 40 Gbps

AS topology · Customer cone 2

Providers · 1

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Peers · 896

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Customers · 1

AS11930 Cat Networks, Inc.

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