AS212921

Name: AS212921 — HDTIDC LIMITED
Creator: ipdex

HDTIDC LIMITED Education registered in Hong Kong SAR China

4IPv4 prefixes

0IPv6 prefixes

100%RPKI-valid

#64,175AS Rank

326/327RIS visibility

#422Rank in Hong Kong SAR China

2022-04-25Allocated

HDTIDC LIMITED (AS212921) — Education, registered in Hong Kong SAR China. announces 4 IPv4 prefixes + 0 IPv6 prefixes. Rank in Hong Kong SAR China: #422. Allocated: 2022-04-25.

IPv4 4IPv6 0

Announced prefixes · 4

v4 199.212.57.0/24 valid
v4 2.59.155.0/24 valid
v4 45.142.152.0/24 valid
v4 45.142.155.0/24 valid

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

Routing: 4 IPv4 · 0 IPv6 announced · RIS visibility 326/327 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	4
2026-06-13	4

Internet Exchanges · 1

KleyReX Frankfurt 100 Mbps

AS topology · Customer cone 1

Providers · 1

AS136038 HDTIDC LIMITED

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