155.133.16.0/21
🇯🇵CIDR
155.133.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
RIPENCC
Status
assigned
Allocated
11/7/1991
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 155.133.22.0/23 | AS51167CONTABO Contabo GmbH | Valid | — | 6/15/2026 |
| 155.133.20.0/24 | AS62240Clouvider Clouvider Limited | Valid | — | 6/15/2026 |
| 155.133.17.0/24 | AS62240Clouvider Clouvider Limited | Valid | — | 6/15/2026 |
| 155.133.21.0/24 | AS136787PACKETHUBSA-AS-AP - PacketHub S.A. | Valid | — | 6/15/2026 |
| 155.133.19.0/24 | AS136787PACKETHUBSA-AS-AP - PacketHub S.A. | Valid | — | 6/15/2026 |
| 155.133.18.0/24 | AS136787PACKETHUBSA-AS-AP - PacketHub S.A. | Valid | — | 6/15/2026 |
| 155.133.16.0/24 | AS136787PACKETHUBSA-AS-AP - PacketHub S.A. | Valid | — | 6/15/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 155.133.22.0/23 | AS51167 | 🇩🇪DE | assigned |
| 155.133.18.0/24 | AS136787 | 🇺🇸US | assigned |
| 155.133.16.0/24 | AS136787 | 🇯🇵JP | assigned |
| 155.133.17.0/24 | AS62240 | 🇬🇧GB | assigned |
| 155.133.19.0/24 | AS136787 | 🇺🇸US | assigned |
| 155.133.20.0/24 | AS62240 | 🇬🇧GB | assigned |
| 155.133.21.0/24 | AS136787 | 🇬🇧GB | assigned |
Origin ASN
AS42366
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/155.133.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/155.133.16.0/21" | jq
External Links