AS18239 — CAPNET - NO.11 Xi San Huan Zhong Road,Beijing

AS18239 announces 7 IPv4 prefixes covering 65,536 addresses and 1 IPv6 prefixes.

About this network

The AS handle CAPNET is held by CAPNET, a network operator based in Beijing.

What it's used for

• The address space is registered under the netname CAPNET for six of the seven announced IPv4 prefixes, while one prefix (210.75.192.0/19) carries the netname CNNIC.
• The AS announces 65,536 IPv4 addresses across 7 prefixes and 1 IPv6 prefix, maintaining only 2 observed routing neighbours, a ratio indicative of a transit or backbone role rather than an access network.

Notable

• Registrants for the majority of the inventory are IRT-CAPNET-CN, aligning with the announcer, though 210.75.192.0/19 is registered to IRT-CNNIC-CN.
• The address inventory consists of one /18 block and six /19 blocks, all located in China.

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

Announced prefixes

• 115.84.0.0/18
• 202.148.96.0/19
• 210.73.64.0/19
• 210.75.192.0/19
• 211.147.128.0/19
• 218.246.64.0/19
• 219.232.192.0/19
• 2403:6a00::/32

Upstream networks

• AS4808 China Unicom Beijing Province Network
• AS56048 China Mobile Communicaitons Corporation

Adjacent networks

• AS4808 China Unicom Beijing Province Network
• AS56048 China Mobile Communicaitons Corporation

Routing security

• RPKI: 8 valid, 0 invalid and 0 not-found announcements; 8 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-9929ARCSTAR, AS-CTBJ, AS4808:AS-CNCGROUP-BJ, AS58453:AS-CMNET, AS58453:AS-CMNET, AS58807:AS-CMIN2, AS58807:AS-CMIN2.