2403:400:ff00::/40
🇯🇵CIDR
2403:400:ff00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2403:400:ff00::/40 | AS23820RAKUTEN - Rakuten Group, Inc. | No ROA | — | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2403:400::/32 | AS23820RAKUTEN - Rakuten Group, Inc. | No ROA | — | 5/30/2026 |
Origin ASN
AS23820
RAKUTEN - Rakuten Group, Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2403:400:ff00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2403:400:ff00::/40" | jq
External Links