142.248.136.0/22
🇯🇵CIDR
142.248.136.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
allocated
Allocated
10/10/2025
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 142.248.136.0/22 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | ARINRADB | 5/31/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 142.248.138.0/23 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
| 142.248.136.0/23 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
| 142.248.139.0/24 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
| 142.248.137.0/24 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
| 142.248.136.0/24 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
| 142.248.138.0/24 | AS137535JTIP-AS-AP - JT TELECOM INTERNATIONAL PTE.LTD. | Valid | — | 5/31/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8796 | ARIN | MNT-NTL-118 | 11/27/2025 |
| AS40115 | ARIN | MNT-NTL-118 | 3/19/2026 |
| AS137535 | ARIN | MNT-HKCIC | 10/21/2025 |
| AS140227 | ARIN | MNT-NTL-118 | 11/27/2025 |
| AS153517 | ARIN | MNT-NTL-118 | 4/23/2026 |
| AS395886 | ARIN | MNT-NTL-118 | 11/27/2025 |
| AS153517 | RADB | MAINT-AS140227 | 4/29/2026 |
| AS8796 | RADB | MAINT-AS140227 | 10/21/2025 |
| AS140227 | RADB | MAINT-AS140227 | 11/17/2025 |
| AS40115 | RADB | MAINT-AS140227 | 3/19/2026 |
| AS395886 | RADB | MAINT-AS140227 | 10/21/2025 |
| AS137535 | RADB | MAINT-AS140227 | 10/21/2025 |
Geolocation
Country🇯🇵JapanJP
CityTokyo
API
Open https://api.ipctl.io/v1/prefix/142.248.136.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/142.248.136.0/22" | jq
External Links