2400:a140:ffff::/48 - CYBERHOME3 FAMILYNET JAPAN CORPORATION (AS131964)
CIDR
2400:a140:ffff::/48
IP Version
IPv6
Addresses
1.2Y
Mask
/48
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2400:a140:ffff::/48 | AS131964 CYBERHOME3 FAMILYNET JAPAN CORPORATION | Valid | - | 2026-10-11 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2400:a140::/32 | AS59125 CYBERHOME1 FAMILY NET JAPAN INCORPORATED | Valid | - | 2026-10-11 |
| 2400:a140:8000::/33 | AS59125 CYBERHOME1 FAMILY NET JAPAN INCORPORATED | Valid | - | 2026-10-11 |
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/2400:a140:ffff::/48Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2400:a140:ffff::/48" | jq
External Links