IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.137.228.0
Location
Japan,Tokyo,Chiyoda City
ASN
Company
IDC
IDC Frontier Inc.
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Native IP
DataCenter
30%Risk Score
30% Risk Score
IP Address (Decimal)
3414811648
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.137.192.0/18 | IDC IDC Frontier Inc. | Japan | 📅 2017-01-01 08:37 | 📅 2025-10-20 11:55 | |
| 203.137.0.0/16 | IDC IDC Frontier Inc. | Japan | 📅 2017-01-01 08:38 | 📅 2025-10-20 11:55 | |
| 203.137.0.0/16 | IDC JPNIC-2Byte-ASBLOCK-AP | -- | 📅 2001-10-27 04:52 | 📅 2004-02-06 10:43 | |
| 203.137.228.0/23 | IDC JPNIC-2Byte-ASBLOCK-AP | -- | 📅 2001-12-16 06:24 | 📅 2002-03-07 22:11 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-10-20 14:15 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.109.64.0/10 | 📅 2021-07-20 00:55 | 📅 2025-10-20 14:15 |
ISP JPNIC-NET-JP | 203.136.0.0/13 | 📅 2015-12-02 06:30 | 📅 2025-10-20 12:18 |
IDC IDCFNet-CIDR-BLK-JP | 203.137.174.0/17 | 📅 2020-06-13 11:27 | 📅 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 | 📅 2025-10-20 14:15 | |
| 203.109.64.0/10 |  RIPE | European Union | 📅 2021-07-20 00:55 | 📅 2025-10-20 14:15 | |
| 203.136.0.0/13 |  APNIC | Japan | 📅 2015-12-02 06:30 | 📅 2025-10-20 12:18 | |
| 203.137.174.0/17 | APNIC | Japan | 📅 2020-06-13 11:27 | 📅 2025-10-20 11:55 |
