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China

AS7497

Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) Unknown registered in China

465IPv4 prefixes
167IPv6 prefixes
100%RPKI-valid
#3,716AS Rank
#33Rank in China
1997-04-08Allocated

Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) (AS7497) — Unknown, registered in China. announces 465 IPv4 prefixes + 167 IPv6 prefixes. Rank in China: #33. Allocated: 1997-04-08.

Announced prefixes · 632

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

0 250 500 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-12632
2026-06-13632

AS topology · Customer cone 6

Providers · 8

  • AS174 Cogent Communications, LLC
  • AS3491 PCCW Global (HK) Ltd.
  • AS11537 Internet2
  • AS7660 Asia Pacific Advanced Network - Japan
  • AS4134 CHINANET BACKBONE
  • AS4837 CHINA UNICOM China169 Backbone

Peers · 17

Customers · 4

  • AS24151 China Internet Network Infomation Center
  • AS24409 China Internet Network Infomation Center
  • AS38345 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
  • AS63555 Beijing Beilong Yunhai Network Data Technology Corporation
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