2406:a1c0:100::/40 - GMOCL GMO GlobalSign Holdings K.K (AS131921)
CIDR
2406:a1c0:100::/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:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2406:a1c0:100::/40 | AS131921 GMOCL GMO GlobalSign Holdings K.K. | Valid | - | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2406:a1c0:100::/41 | AS131921 GMOCL GMO GlobalSign Holdings K.K. | Valid | - | 2026-10-11 |
| 2406:a1c0:180::/41 | AS131921 GMOCL GMO GlobalSign Holdings K.K. | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2406:a1c0:100::/40 | AS131921 | /48 | apnic |
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/2406:a1c0:100::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2406:a1c0:100::/40" | jq
External Links