172.192.0.0/20
🇯🇵CIDR
172.192.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.192.0.0/20 | AS18747IFX18747 - IFX Corporation | Invalid | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.192.0.0/13 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 172.192.1.0/24 | AS18747IFX18747 - IFX Corporation | Invalid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 172.192.0.0/13 | AS8075 | /13 | ripe |
Origin ASN
AS18747
IFX18747 - IFX Corporation
Geolocation
API
Open https://api.ipctl.io/v1/prefix/172.192.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.192.0.0/20" | jq
External Links