140.205.0.0/16
🇨🇳CIDR
140.205.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Hangzhou (Shangcheng Qu)
RIR
APNIC
Status
allocated
Allocated
3/11/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.205.0.0/16 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | APNIC | 6/15/2026 |
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.205.192.0/18 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.64.0/18 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.128.0/18 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.0.0/19 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.32.0/19 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.122.0/24 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.76.0/24 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.1.0/24 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/15/2026 |
| 140.205.1.0/24 | AS45102ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | Valid | — | 6/15/2026 |
| 140.205.122.0/24 | AS45102ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | Valid | — | 6/15/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/140.205.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/140.205.0.0/16" | jq
External Links