158.202.40.0/21
🇯🇵CIDR
158.202.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.202.40.0/21 | AS23795FURUKAWA - Fitec Corp. | No ROA | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.202.40.0/22 | AS23795FURUKAWA - Fitec Corp. | No ROA | — | 5/30/2026 |
| 158.202.44.0/22 | AS23795FURUKAWA - Fitec Corp. | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS23795 | RADB | MAINT-AS10010 | 5/21/2026 |
Origin ASN
AS23795
FURUKAWA - Fitec Corp.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/158.202.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/158.202.40.0/21" | jq
External Links