AS38345

Name: AS38345 — Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
Creator: ipdex

Internet Domain Name System Beijing Engineering Resrarch Center Ltd. Unknown registered in China

24IPv4 prefixes

11IPv6 prefixes

91%RPKI-valid

#29,278AS Rank

327/327RIS visibility

#179Rank in China

2007-01-25Allocated

Internet Domain Name System Beijing Engineering Resrarch Center Ltd. (AS38345) — Unknown, registered in China. announces 24 IPv4 prefixes + 11 IPv6 prefixes. Rank in China: #179. Allocated: 2007-01-25.

IPv4 24IPv6 11

Announced prefixes · 35

v4 1.8.1.0/24 unknown
v4 1.8.8.0/24 unknown
v4 150.242.156.0/24 valid
v4 150.242.157.0/24 valid
v4 202.173.10.0/24 valid
v4 202.173.11.0/24 valid
v4 202.173.14.0/24 valid
v4 202.173.15.0/24 valid
v4 202.173.8.0/24 valid
v4 202.173.9.0/24 valid
v4 203.119.80.0/24 valid
v4 203.119.83.0/24 valid
v4 203.99.20.0/24 valid
v4 203.99.21.0/24 valid
v4 203.99.22.0/24 valid
v4 203.99.23.0/24 valid
v4 203.99.24.0/24 valid
v4 203.99.25.0/24 valid
v4 203.99.26.0/24 valid
v4 203.99.27.0/24 valid
v4 203.99.28.0/24 valid
v4 203.99.29.0/24 valid
v4 203.99.30.0/24 valid
v4 203.99.31.0/24 valid
v6 2401:8d00:1::/48 valid
v6 2401:8d00:3::/48 valid
v6 2401:8d00:4::/48 valid
v6 2401:8d00:5::/48 unknown
v6 2401:8d00:7::/48 valid
v6 2401:8d00:8::/48 valid
v6 2401:8d00:9::/48 valid
v6 2401:8d00::/48 valid
v6 2401:8d00:b::/48 valid
v6 2401:8d00:c::/48 valid
v6 2401:8d00:f::/48 valid

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

Routing: 24 IPv4 · 12 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	35
2026-06-13	35
2026-06-14	35

AS topology · Customer cone 1

Providers · 3

AS174 Cogent Communications, LLC
AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
AS4641 The Hong Kong Internet Exchange Limited

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