49.128.24.0/21
🇯🇵CIDR
49.128.24.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
allocated
Allocated
11/8/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 49.128.24.0/21 | AS23780CTB - CTB Media Inc. | Valid | RADB | 5/31/2026 |
Origin ASN
AS23780
CTB - CTB Media Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/49.128.24.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/49.128.24.0/21" | jq
External Links