133.149.128.0/18
🇯🇵CIDR
133.149.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 133.149.128.0/18 | AS4677PTOP - Marubeni OKI Network Solutions Inc. | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 133.149.190.0/24 | AS4677PTOP - Marubeni OKI Network Solutions Inc. | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4677 | RADB | MAINT-AS4677 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/133.149.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/133.149.128.0/18" | jq
External Links