Autonomous System
AS18239 CAPNET
BusinessActiveChinaAPNIC
AS18239 (CAPNET) is a business network operated by CAPNET in China, registered with APNIC. It has 7 IPv4 prefixes with 65,536 addresses and 1 IPv6 prefix, which makes it the 3,688th largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses65,536in 7 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,688of 82,558 active ASNs
Details
OrganizationCAPNET
AS nameCAPNET
Websitecatonetworks.com
Country China (CN)
Network typeBusiness
RegistryAPNIC
Abuse contact1007707490@qq.com
Registered—
Last updated2021-11-05
IPv4 prefixes
7 prefixes · 65,536 addresses| Network | Addresses | First – last address |
|---|---|---|
| 115.84.0.0/18 | 16,384 | 115.84.0.0 – 115.84.63.255 |
| 202.148.96.0/19 | 8,192 | 202.148.96.0 – 202.148.127.255 |
| 210.73.64.0/19 | 8,192 | 210.73.64.0 – 210.73.95.255 |
| 210.75.192.0/19 | 8,192 | 210.75.192.0 – 210.75.223.255 |
| 211.147.128.0/19 | 8,192 | 211.147.128.0 – 211.147.159.255 |
| 218.246.64.0/19 | 8,192 | 218.246.64.0 – 218.246.95.255 |
| 219.232.192.0/19 | 8,192 | 219.232.192.0 – 219.232.223.255 |
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
IPv6 prefixes
1 prefix- 2403:6a00::/32
2403:6a00::/32
Query AS18239 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS18239&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS18239, with or without a key:
curl "https://api.ipapi.is/?q=115.84.0.1"
Largest networks in China
AS4134 CHINANET BACKBONE111,741,952 IPv4 addressesAS4837 CHINA UNICOM China169 Backbone59,267,072 IPv4 addressesAS9808 China Mobile Communications Group Co., Ltd56,414,464 IPv4 addressesAS4538 China Education and Research Network Center42,398,720 IPv4 addressesAS37963 Hangzhou Alibaba Advertising Co.,Ltd.20,821,504 IPv4 addressesAS4812 China Telecom (Group)13,646,592 IPv4 addresses