2a0a:6040:1b00::/40
🇯🇵CIDR
2a0a:6040:1b00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇯🇵 Japan
City
Shinagawa
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a0a:6040:1b00::/40 | AS200268CHEN-AS Haihan Chen | Valid | RIPE | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a0a:6040:1b21::/48 | AS200268CHEN-AS Haihan Chen | Valid | — | 6/1/2026 |
| 2a0a:6040:1b22::/48 | AS200268CHEN-AS Haihan Chen | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2a0a:6040:1b00::/40 | AS200268 | /48 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS200268 | RIPE | RENGE-MNT | 12/27/2022 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 2a0a:6040:1b21::/48 | AS200268 | 🇯🇵JP | assigned |
Origin ASN
AS200268
CHEN-AS Haihan Chen
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/2a0a:6040:1b00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a0a:6040:1b00::/40" | jq
External Links