IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.140.64.0
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ISP
OPTAGE Inc.
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
23%Risk Score
23% Risk Score
IP Address (Decimal)
3414966272
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.140.64.0/19 | ISP OPTAGE Inc. | Japan | 📅 2005-07-10 03:16 | 📅 2025-10-13 03:21 | |
| 203.140.64.0/19 | ISP Turk Telekomunikasyon Anonim Sirketi | Türkiye | 📅 2004-12-24 17:20 | 📅 2004-12-24 18:20 | |
| 203.140.64.0/19 | ENT WIDE Project | Japan | 📅 2003-06-27 10:18 | 📅 2003-06-27 11:25 | |
| 203.140.64.0/19 | ISP Availo Networks AB | Sweden | 📅 2002-04-15 06:43 | 📅 2002-04-17 13:13 | |
| 203.140.64.0/20 | ENT KDDI CORPORATION | Japan | 📅 2001-10-29 08:36 | 📅 2001-12-01 14:27 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-11-14 07:45 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.109.64.0/10 | 📅 2021-07-20 00:55 | 📅 2025-11-14 07:45 |
ISP JPNIC-NET-JP | 203.136.0.0/13 | 📅 2015-12-02 06:30 | 📅 2025-11-13 21:15 |
ISP K-Opticom-CIDR-BLK-JP | 203.140.64.0/19 | 📅 2019-09-19 12:11 | 📅 2025-10-13 03:21 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  ARIN | -- | 📅 1994-04-05 08:00 | 📅 2025-11-14 07:45 | |
| 203.109.64.0/10 |  RIPE | European Union | 📅 2021-07-20 00:55 | 📅 2025-11-14 07:45 | |
| 203.136.0.0/13 |  APNIC | Japan | 📅 2015-12-02 06:30 | 📅 2025-11-13 21:15 | |
| 203.140.64.0/19 | APNIC | Japan | 📅 2019-09-19 12:11 | 📅 2025-10-13 03:21 |
