IP / ASN / Domain Lookup
IP Lookup Result
IP Address
121.251.50.3
Location
China,Jiangsu,Nanjing
ASN
Company
IDC
CERNET2 IX at University of Science and Technology of China
Longitude
118.8729
118.8729
Latitude
31.9657
31.9657
Roaming IP
DataCenter
32%Risk Score
32% Risk Score
IP Address (Decimal)
2046505475
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 121.248.0.0/14 | IDC China Education and Research Network Center | Australia | 📅 2017-01-01 08:09 | 📅 2025-10-20 11:55 | |
| 121.250.0.0/15 | IDC China Education and Research Network Center | Australia | 📅 2017-01-01 08:39 | 📅 2025-10-17 02:44 | |
| 121.251.50.0/23 | IDC CERNET2 IX at University of Science and Technology of China | China | 📅 2020-01-05 00:12 | 📅 2025-10-14 05:22 | |
| 121.251.50.0/23 | IDC China Education and Research Network Center | Australia | 📅 2017-01-01 17:44 | 📅 2025-10-14 03:46 | |
| 121.248.0.0/14 | ISP Flat C, 16/F, Skyline Tower, | Hong Kong SAR China | 📅 2018-02-28 17:04 | 📅 2018-03-06 15:18 | |
| 121.0.0.0/8 | ISP MTN SA | South Africa | 📅 2003-12-09 13:07 | 📅 2004-01-22 19:42 | |
| 121.0.0.0/8 | ISP Harbor Communications | United States | 📅 2003-03-03 02:55 | 📅 2003-03-03 03:44 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 121.127.64.0/8 | 📅 2022-12-08 23:20 | 📅 2025-10-20 14:13 |
ISP APNIC-121 | 121.0.0.0/8 | 📅 2006-01-06 08:00 | 📅 2025-10-20 14:09 |
IDC NJR-CERNET | 121.248.0.0/14 | 📅 2020-09-03 17:15 | 📅 2025-10-20 11:55 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 121.127.64.0/8 |  RIPE | European Union | 📅 2022-12-08 23:20 | 📅 2025-10-20 14:13 | |
| 121.0.0.0/8 |  ARIN | -- | 📅 2006-01-06 08:00 | 📅 2025-10-20 14:09 | |
| 121.248.0.0/14 |  APNIC | China | 📅 2020-09-03 17:15 | 📅 2025-10-20 11:55 |
