121.50.144.0/21
🇹🇼IPv4APNICallocated RPKI Valid
CIDR
121.50.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
allocated
Allocated
9/27/2007
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.50.144.0/24 | AS18424ASN-CM-CRAFT-AESTHETIC-GLOBAL - CM Craft Aesthetic | Valid | — | 6/13/2026 |
| 121.50.145.0/24 | AS18424ASN-CM-CRAFT-AESTHETIC-GLOBAL - CM Craft Aesthetic | Valid | — | 6/13/2026 |
| 121.50.151.0/24 | AS18424ASN-CM-CRAFT-AESTHETIC-GLOBAL - CM Craft Aesthetic | Valid | — | 6/13/2026 |
| 121.50.149.0/24 | AS24168CLOUDMAX-AS-TW - Cloudmax Inc. | Valid | — | 6/13/2026 |
| 121.50.150.0/24 | AS24168CLOUDMAX-AS-TW - Cloudmax Inc. | Valid | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.50.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.50.144.0/21" | jq
External Links