121.50.176.0/20
🇹🇼CIDR
121.50.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇹🇼 Taiwan
City
Taipei City
RIR
APNIC
Status
allocated
Allocated
10/4/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.50.176.0/20 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | RADB | 6/13/2026 |
Covering Prefix
11 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.50.176.0/21 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.184.0/21 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.184.0/22 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.176.0/22 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.183.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.190.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.191.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.176.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.177.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.179.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
| 121.50.181.0/24 | AS18046DONGFONG-TW - DongFong Technology Co. Ltd. | Valid | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.50.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.50.176.0/20" | jq
External Links