IP / ASN / Domain Lookup
IP Lookup Result
IP Address
192.244.231.10smtp-relay.jamstec.go.jp.
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)
3237275402
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 192.244.228.0/22 | ISP Research Organization of Information and Systems, National Institute of Informatics | Australia | 📅 2003-05-05 00:58 | 📅 2025-11-05 06:55 | |
| 192.0.0.0/8 | ISP INDOSAT Internet Network Provider | Australia | 📅 2023-08-09 11:36 | 📅 2023-08-09 13:39 | |
| 192.244.231.0/24 | IDC Japan Science and Technology Agency | Japan | 📅 2001-10-27 09:55 | 📅 2003-01-13 18:02 | |
| 192.244.228.0/22 | IDC Japan Science and Technology Agency | Japan | 📅 2001-10-27 09:55 | 📅 2003-01-13 17:13 | |
| 192.244.231.0/24 | ENT WIDE Project | Japan | 📅 2002-04-29 23:37 | 📅 2002-04-29 23:41 | |
| 192.244.228.0/22 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:12 | 📅 2002-04-17 13:13 | |
| 192.244.231.0/24 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 04:08 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC NET192 | 192.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-06 07:44 |
ENT JAPAN-INET-BLOCK1 | 192.244.0.0/16 | 📅 2015-12-02 06:26 | 📅 2025-11-06 07:33 |
ISP JAMSTECNET-CIDR-BLK-JP | 192.244.228.0/22 | 📅 2019-12-04 07:56 | 📅 2025-11-05 06:55 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 192.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-06 07:44 | |
| 192.244.0.0/16 |  APNIC | Japan | 📅 2015-12-02 06:26 | 📅 2025-11-06 07:33 | |
| 192.244.228.0/22 | APNIC | Japan | 📅 2019-12-04 07:56 | 📅 2025-11-05 06:55 |
