IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.139.128.0
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ISP
Fujitsu Systems Applications & Support Limited
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
23%Risk Score
23% Risk Score
IP Address (Decimal)
3414917120
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.139.128.0/20 | ISP Fujitsu Systems Applications & Support Limited | Japan | 📅 2020-01-03 16:50 | 📅 2025-10-20 11:55 | |
| 203.139.128.0/20 | IDC APNIC ASN block | -- | 📅 2003-10-25 23:01 | 📅 2004-02-06 10:45 | |
| 203.139.128.0/20 | IDC FUJITSU LIMITED | Japan | 📅 2001-10-29 15:53 | 📅 2003-10-25 23:31 | |
| 203.139.128.0/20 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 04:08 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-10-27 08:42 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.109.64.0/10 | 📅 2021-07-20 00:55 | 📅 2025-10-27 08:42 |
ISP JPNIC-NET-JP | 203.136.0.0/13 | 📅 2015-12-02 06:30 | 📅 2025-10-27 07:25 |
ISP InfoWeb-CIDR-BLK-JP | 203.139.128.0/20 | 📅 2022-09-15 04:28 | 📅 2025-10-20 11:55 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  ARIN | -- | 📅 1994-04-05 08:00 | 📅 2025-10-27 08:42 | |
| 203.109.64.0/10 |  RIPE | European Union | 📅 2021-07-20 00:55 | 📅 2025-10-27 08:42 | |
| 203.136.0.0/13 |  APNIC | Japan | 📅 2015-12-02 06:30 | 📅 2025-10-27 07:25 | |
| 203.139.128.0/20 | APNIC | Japan | 📅 2022-09-15 04:28 | 📅 2025-10-20 11:55 |
