203.104.144.0/21
🇯🇵CIDR
203.104.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Kyoto
RIR
APNIC
Status
allocated
Allocated
9/6/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.104.144.0/21 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.104.144.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.145.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.146.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.147.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.148.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.149.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.150.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
| 203.104.151.0/24 | AS38631LINE - LY Corporation | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.104.144.0/21 | AS38631 | /24 | apnic |
Origin ASN
AS38631
LINE - LY Corporation
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.104.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.104.144.0/21" | jq
External Links