IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.139.236.10
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ISP
Internet Initiative Japan Inc.
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
23%Risk Score
23% Risk Score
IP Address (Decimal)
3414944778
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.139.236.0/22 | ISP Internet Initiative Japan Inc. | Australia | 📅 2017-03-14 09:12 | 📅 2025-10-20 11:55 | |
| 203.139.224.0/19 | ISP Internet Initiative Japan Inc. | Australia | 📅 2017-01-01 08:35 | 📅 2017-03-13 18:26 | |
| 203.139.224.0/19 | ENT EJWORKS CORPORATION | Japan | 📅 2001-10-27 09:55 | 📅 2004-02-06 13:45 | |
| 203.139.224.0/19 | ENT WIDE Project | Japan | 📅 2002-04-29 23:36 | 📅 2003-06-27 11:04 | |
| 203.139.224.0/19 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 04:08 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-10-31 17:44 |
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.109.64.0/10 | 📅 2021-07-20 00:55 | 📅 2025-10-31 17:44 |
ISP JPNIC-NET-JP | 203.136.0.0/13 | 📅 2015-12-02 06:30 | 📅 2025-10-31 14:43 |
ISP NEWinfoPepper-CIDR-BLK-JP | 203.139.224.0/20 | 📅 2015-05-29 07:35 | 📅 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 | 📅 2025-10-31 17:44 | |
| 203.109.64.0/10 |  RIPE | European Union | 📅 2021-07-20 00:55 | 📅 2025-10-31 17:44 | |
| 203.136.0.0/13 |  APNIC | Japan | 📅 2015-12-02 06:30 | 📅 2025-10-31 14:43 | |
| 203.139.224.0/20 | APNIC | Japan | 📅 2015-05-29 07:35 | 📅 2025-10-20 11:55 |
