IP / ASN / Domain Lookup
IP Lookup Result
IP Address
192.51.194.1
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ISP
Research Organization of Information and Systems, National Institute of Informatics
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3224617473
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 192.51.194.0/23 | ISP Research Organization of Information and Systems, National Institute of Informatics | Australia | 📅 2017-01-01 08:37 | 📅 2025-10-20 11:55 | |
| 192.0.0.0/8 | ISP INDOSAT Internet Network Provider | Australia | 📅 2023-08-09 11:36 | 📅 2023-08-09 13:39 | |
| 192.51.194.0/23 | ENT Hokkaido University | Japan | 📅 2003-11-25 13:26 | 📅 2004-02-06 13:45 | |
| 192.51.194.0/24 | ISP Research Organization of Information and Systems, National Institute of Informatics | Australia | 📅 2003-08-14 18:09 | 📅 2003-09-10 23:08 | |
| 192.51.194.0/23 | 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 ERX-NETBLOCK | 192.0.0.0/8 | 📅 2022-12-21 10:59 | 📅 2025-10-20 14:14 |
IDC JAPAN-INET-BLOCK4 | 192.51.194.0/18 | 📅 2015-12-02 06:27 | 📅 2025-10-20 11:55 |
ISP HOKUSEI-CIDR-BLK-JP | 192.51.194.0/23 | 📅 2015-01-23 06:11 | 📅 2025-10-20 11:55 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 192.0.0.0/8 |  APNIC | Australia | 📅 2022-12-21 10:59 | 📅 2025-10-20 14:14 | |
| 192.51.194.0/18 | APNIC | Japan | 📅 2015-12-02 06:27 | 📅 2025-10-20 11:55 | |
| 192.51.194.0/23 | APNIC | Japan | 📅 2015-01-23 06:11 | 📅 2025-10-20 11:55 |
