61.121.64.0/18
🇯🇵CIDR
61.121.64.0/18
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 |
|---|---|---|---|---|
| 61.121.64.0/18 | AS2510INFOWEB - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.121.80.0/22 | AS55374FJcloud-East - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.126.0/23 | AS55386FJcloud-West - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.98.0/24 | AS55374FJcloud-East - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.99.0/24 | AS55374FJcloud-East - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.125.0/24 | AS55374FJcloud-East - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.124.0/24 | AS55386FJcloud-West - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
| 61.121.66.0/24 | AS55386FJcloud-West - FUJITSU LIMITED | No ROA | — | 5/31/2026 |
Origin ASN
AS2510
INFOWEB - FUJITSU LIMITED
Geolocation
API
Open https://api.ipctl.io/v1/prefix/61.121.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/61.121.64.0/18" | jq
External Links