AS58858 — CNNIC-CRITICAL-AP - China Internet Network Infomation Center

AS58858 announces 1 IPv4 prefixes covering 256 addresses and 1 IPv6 prefixes.

About this network

CNNIC-CRITICAL-AP is held by China Internet Network Information Center.

What it's used for

• The space carries infrastructure for the national registry, identified by the netname CNNIC and registrant IRT-CNNIC-CN.
• The AS announces 256 IPv4 addresses in a single /24 prefix and 1 IPv6 prefix, with only 1 observed neighbour, indicating a small, isolated internal network rather than a transit or access provider.
• Traffic from this AS consists of internal administrative and registry services for the .CN domain and Chinese internet infrastructure management.

Notable

• The registrant IRT-CNNIC-CN aligns directly with the announcer CNNIC-CRITICAL-AP, confirming consistent ownership.
• CNNIC is a public institution affiliated with the Ministry of Industry and Information Technology, founded in 1997 in Beijing.
• The address inventory is compact, consisting of a single IPv4 block and a single IPv6 block, typical for a specialized administrative entity.

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

Announced prefixes

• 203.99.18.0/24
• 2001:dc7:8::/48

Upstream networks

• AS24151 China Internet Network Infomation Center

Adjacent networks

• AS24151 China Internet Network Infomation Center

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-SKBROADBAND, AS-ZENLAYER.