180.131.152.0/21
🇯🇵CIDR
180.131.152.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
8/24/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 180.131.152.0/21 | AS9378CABLENET - JCOM Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 180.131.152.0/22 | AS9378CABLENET - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
| 180.131.156.0/22 | AS9378CABLENET - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS9378
CABLENET - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/180.131.152.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/180.131.152.0/21" | jq
External Links