AS23724

Name: AS23724 — IDC, China Telecommunications Corporation
Creator: ipdex

IDC, China Telecommunications Corporation Unknown registered in China

760IPv4 prefixes

88IPv6 prefixes

84%RPKI-valid

#1,889AS Rank

#24Rank in China

2003-04-22Allocated

IDC, China Telecommunications Corporation (AS23724) — Unknown, registered in China. announces 760 IPv4 prefixes + 88 IPv6 prefixes. Rank in China: #24. Allocated: 2003-04-22.

IPv4 760IPv6 88

Announced prefixes · 848

v4 123.103.56.0/21 valid
v4 123.103.72.0/21 valid
v4 123.103.8.0/22 valid
v4 123.103.8.0/24 valid
v4 123.103.80.0/20 valid
v4 123.58.0.0/19 unknown
v4 123.58.0.0/20 invalid
v4 123.58.16.0/20 unknown
v4 123.59.0.0/19 valid
v4 123.59.128.0/19 valid
v4 123.59.160.0/19 valid
v4 123.59.192.0/19 valid
v4 123.59.224.0/19 valid
v4 123.59.32.0/19 valid
v4 123.59.64.0/19 valid
v4 123.59.96.0/19 valid
v4 124.126.14.0/24 unknown
v4 124.126.15.0/24 unknown
v4 124.243.192.0/18 valid
v4 124.250.0.0/15 unknown
v4 124.250.0.0/18 valid
v4 124.250.128.0/18 valid
v4 124.250.192.0/18 valid
v4 124.250.64.0/18 valid
v4 124.251.0.0/18 valid
v4 124.251.128.0/18 valid
v4 124.251.192.0/18 valid
v4 124.251.32.0/19 valid
v4 124.251.64.0/18 valid
v4 124.42.0.0/22 valid
v4 124.42.16.0/22 valid
v4 124.42.20.0/22 valid
v4 124.42.24.0/22 valid
v4 124.42.28.0/22 valid
v4 124.42.32.0/21 valid
v4 124.42.4.0/22 valid
v4 124.42.40.0/21 valid
v4 124.42.48.0/21 valid
v4 124.42.56.0/21 valid
v4 124.42.8.0/21 valid
v4 125.254.128.0/19 valid
v4 125.254.168.0/21 valid
v4 125.254.176.0/21 valid
v4 139.159.0.0/19 valid
v4 139.159.166.0/23 valid
v4 140.179.224.0/19 valid
v4 140.210.96.0/19 valid
v4 150.242.248.0/22 valid
v4 175.25.16.0/21 valid
v4 175.25.160.0/19 valid

RPKI: rpki.cloudflare.com · 2026-06-22

— Routing status unavailable

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	848
2026-06-13	848
2026-06-14	848
2026-06-16	848
2026-06-17	848
2026-06-19	848
2026-06-20	848
2026-06-21	848

AS topology · Customer cone 16

Providers · 2

AS4134 CHINANET BACKBONE
AS4809 China Telecom Next Generation Carrier Network

Customers · 14

AS9814 Beijing FibrLINK Networks Co.,Ltd.
AS9308 Abitcool(China) Inc.
AS37963 Hangzhou Alibaba Advertising Co.,Ltd.
AS38365 Beijing Baidu Netcom Science and Technology Co., Ltd.
AS45090 Shenzhen Tencent Computer Systems Company Limited
AS55990 Huawei Cloud Service data center

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