27.0.16.0/20
🇯🇵CIDR
27.0.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chatan (Hamagawa)
RIR
APNIC
Status
allocated
Allocated
3/10/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 27.0.16.0/20 | AS55900GLBB-JP - GLBB Japan KK | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 27.0.31.0/24 | AS55900GLBB-JP - GLBB Japan KK | Valid | — | 5/31/2026 |
Origin ASN
AS55900
GLBB-JP - GLBB Japan KK
Geolocation
API
Open https://api.ipctl.io/v1/prefix/27.0.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/27.0.16.0/20" | jq
External Links