146.88.128.0/21
🇯🇵CIDR
146.88.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
1/28/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 146.88.128.0/21 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | RADB | 6/13/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 146.88.128.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.129.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.130.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.131.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.132.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.133.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.134.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
| 146.88.135.0/24 | AS963N963-AS-AP - N963 PTE. LTD. | No ROA | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 146.88.129.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.130.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.132.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.134.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.135.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.131.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.133.0/24 | AS963 | 🇯🇵JP | assigned |
| 146.88.128.0/24 | AS963 | 🇯🇵JP | assigned |
Origin ASN
AS963
N963-AS-AP - N963 PTE. LTD.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/146.88.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/146.88.128.0/21" | jq
External Links