31.204.145.0/24
🇯🇵CIDR
31.204.145.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.204.145.0/24 | AS49544i3Dnet i3D.net B.V | Valid | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.204.128.0/19 | AS49544i3Dnet i3D.net B.V | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 31.204.128.0/19 | AS49544 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS49544 | RIPE | MNT-i3D | 1/8/2014 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 31.204.145.128/26 | 🇯🇵JP | assigned | |
| 31.204.145.64/26 | 🇯🇵JP | assigned | |
| 31.204.145.32/27 | 🇯🇵JP | assigned | |
| 31.204.145.240/28 | 🇯🇵JP | assigned | |
| 31.204.145.16/28 | 🇯🇵JP | assigned | |
| 31.204.145.0/28 | 🇯🇵JP | assigned | |
| 31.204.145.192/28 | 🇯🇵JP | assigned | |
| 31.204.145.208/28 | 🇯🇵JP | assigned | |
| 31.204.145.224/28 | 🇯🇵JP | assigned |
Origin ASN
AS49544
i3Dnet i3D.net B.V
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/31.204.145.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.204.145.0/24" | jq
External Links