IP / ASN / Domain Lookup
IP Lookup Result
IP Address
133.51.0.0
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ENT
University of Tsukuba
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
28%Risk Score
28% Risk Score
IP Address (Decimal)
2234712064
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 133.51.0.0/16 | ENT University of Tsukuba | Japan | 📅 2017-01-01 08:38 | 📅 2025-11-08 08:30 | |
| 133.51.0.0/16 | ISP Research Organization of Information and Systems, National Institute of Informatics | Australia | 📅 2003-01-10 17:14 | 📅 2004-12-07 13:56 | |
| 133.51.0.0/16 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 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 | 📅 2025-11-10 13:44 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 133.0.0.0/8 |  APNIC | Japan | 📅 2022-11-01 12:33 | 📅 2025-11-10 13:44 |
