IP / ASN / Domain Lookup
IP Lookup Result
IP Address
133.237.0.0
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ENT
Rakuten Group, Inc.
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
30%Risk Score
30% Risk Score
IP Address (Decimal)
2246901760
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 133.237.0.0/17 | ENT Rakuten Group, Inc. | Japan | 📅 2017-01-01 08:38 | 📅 2025-10-20 12:18 | |
| 133.237.0.0/16 | ENT Rakuten Group, Inc. | Japan | 📅 2017-01-01 08:38 | 📅 2025-10-20 12:18 | |
| 133.237.0.0/16 | ENT KDDI CORPORATION | Japan | 📅 2002-10-07 12:18 | 📅 2004-02-06 13:53 | |
| 133.237.0.0/16 | ENT WIDE Project | Japan | 📅 2003-06-27 10:19 | 📅 2003-06-27 10:20 | |
| 133.237.0.0/16 | IDC APNIC ASN block | -- | 📅 2001-10-27 05:48 | 📅 2002-10-08 04:55 | |
| 133.237.0.0/16 | ISP Availo Networks AB | Sweden | 📅 2002-04-12 07:21 | 📅 2002-04-17 13:12 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP JPNIC-NET-JP-ERX | 133.0.0.0/8 | 📅 2022-11-01 12:33 | 📅 2025-10-20 12:22 |
ENT Rakuten-CIDR-BLK-JP | 133.237.0.0/16 | 📅 2022-01-20 10:49 | 📅 2025-10-20 12:18 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 133.0.0.0/8 |  APNIC | Japan | 📅 2022-11-01 12:33 | 📅 2025-10-20 12:22 | |
| 133.237.0.0/16 | APNIC | Japan | 📅 2022-01-20 10:49 | 📅 2025-10-20 12:18 |
