AS24406 — CNNIC-CRITICAL-AP China Internet Network Infomation Center

AS24406 announces 13 IPv4 prefixes covering 4,608 addresses and 6 IPv6 prefixes.

About this network

CNNIC-CRITICAL-AP is operated by CNNIC (China Internet Network Information Center).

What it's used for

• The address space carries registry and critical infrastructure functions, evidenced by netnames CNNIC and CNNIC-CRITICAL-CN across the majority of prefixes.
• The AS announces 4096 IPv4 addresses and 6 IPv6 prefixes, with 10 observed neighbours, indicating a role focused on managing specific critical infrastructure blocks rather than broad transit or access.

Notable

• Registrants are predominantly IRT-CNNIC-CN, aligning with the announcer, though one prefix (210.2.4.0/24) is registered to IRT-SAIYU-CN with netname SAIYU.
• The inventory consists of 12 IPv4 prefixes, including several /23 and /24 blocks in the 42.83.0.0/16 and 125.208.0.0/16 ranges, alongside a single /24 in 210.2.0.0/16.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 42.83.130.0/23
• 42.83.132.0/23
• 42.83.134.0/24
• 42.83.189.0/24
• 42.83.190.0/24
• 125.208.32.0/23
• 125.208.34.0/24
• 125.208.40.0/24
• 125.208.43.0/24
• 125.208.44.0/24
• 203.119.26.0/23
• 203.119.30.0/23
• 210.2.4.0/24
• 2001:dc7:b::/48
• 2001:dc7:2dff::/48
• 2001:dc7:ffc2::/47
• 2001:dc7:ffd2::/47
• 2001:dc7:ffeb::/48
• 2001:dc7:fffb::/48

Upstream networks

• AS4837 CHINA UNICOM China169 Backbone
• AS33071 Internet Systems Consortium, Inc.
• AS21859 Zenlayer Inc
• AS17547 M1 NET LTD
• AS58461 No.288,Fu-chun Road
• AS38283 CHINANET SiChuan Telecom Internet Data Center
• AS137702 Nanjing, Jiangsu Province, P.R.China.
• AS4808 China Unicom Beijing Province Network
• AS149178 China Telecom

Adjacent networks

• AS4837 CHINA UNICOM China169 Backbone
• AS33071 Internet Systems Consortium, Inc.
• AS21859 Zenlayer Inc
• AS17547 M1 NET LTD
• AS58461 No.288,Fu-chun Road
• AS137702 Nanjing, Jiangsu Province, P.R.China.
• AS38283 CHINANET SiChuan Telecom Internet Data Center
• AS4808 China Unicom Beijing Province Network
• AS149178 China Telecom