IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.166.191.0
Location
China,Shanghai Municipality
ASN
Company
ISP
China Unicom
Longitude
121.3898
121.3898
Latitude
31.1646
31.1646
Roaming IP
Residential
21%Risk Score
21% Risk Score
IP Address (Decimal)
3416702720
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.166.191.0/24 | ISP China Unicom | China | 📅 2022-01-11 09:07 | 📅 2025-11-19 20:20 | |
| 203.166.191.0/24 | ISP China Unicom Shanghai network | China | 📅 2020-01-03 13:35 | 📅 2021-05-15 22:41 | |
| 203.166.188.0/22 | ISP China Unicom Shanghai network | China | 📅 2017-08-09 15:15 | 📅 2018-12-25 10:28 | |
| 203.166.160.0/19 | ISP Flat C, 16/F, Skyline Tower, | Hong Kong SAR China | 📅 2018-01-10 15:43 | 📅 2018-03-06 15:13 | |
| 203.166.176.0/20 | ISP China Unicom Shanghai network | China | 📅 2017-01-01 08:39 | 📅 2017-04-14 12:01 | |
| 203.166.160.0/19 | ISP China Unicom Backbone | Australia | 📅 2006-12-15 14:09 | 📅 2008-02-07 21:46 | |
| 203.166.160.0/19 | ISP China Netcom Backbone | China | 📅 2006-04-05 15:18 | 📅 2006-12-15 13:58 | |
| 203.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-11-17 17:44 |
ISP ENTRUSTNET | 203.166.160.0/19 | 📅 2023-11-28 08:57 | 📅 2025-11-17 16:53 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  ARIN | -- | 📅 1994-04-05 08:00 | 📅 2025-11-17 17:44 | |
| 203.166.160.0/19 |  APNIC | China | 📅 2023-11-28 08:57 | 📅 2025-11-17 16:53 |
