IP / ASN / Domain Lookup
IP Lookup Result
IP Address
1.51.48.1
Location
China,Jiangsu,Nanjing
ASN
Company
ISP
CERNET2 IX at Southeast University
Longitude
118.8729
118.8729
Latitude
31.9657
31.9657
Roaming IP
Residential
21%Risk Score
21% Risk Score
IP Address (Decimal)
20131841
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 1.51.0.0/16 | IDC China Education and Research Network Center | Australia | 📅 2017-01-01 08:09 | 📅 2025-10-20 11:55 | |
| 1.51.48.0/21 | ISP CERNET2 IX at Southeast University | China | 📅 2020-01-05 00:12 | 📅 2025-10-14 05:22 | |
| 1.51.48.0/21 | IDC China Education and Research Network Center | Australia | 📅 2017-01-01 08:34 | 📅 2025-10-14 03:46 | |
| 1.51.0.0/17 | IDC China Education and Research Network Center | Australia | 📅 2022-01-02 12:56 | 📅 2024-11-15 15:59 | |
| 1.0.0.0/8 | ISP TELEFONICA DE ESPANA S.A.U. | Spain | 📅 2018-06-20 08:50 | 📅 2021-08-05 07:53 | |
| 1.48.0.0/14 | ISP Tegria Services Group - US, Inc. | United States | 📅 2018-09-28 01:22 | 📅 2018-09-28 05:57 | |
| 1.51.48.0/21 | ISP PJSC MegaFon | Netherlands | 📅 2018-04-19 07:28 | 📅 2018-04-23 17:25 | |
| 1.51.0.0/16 | ISP PJSC MegaFon | Netherlands | 📅 2018-04-19 07:28 | 📅 2018-04-23 17:25 | |
| 1.51.0.0/16 | ISP Flat C, 16/F, Skyline Tower, | Hong Kong SAR China | 📅 2018-02-28 17:04 | 📅 2018-03-06 15:18 | |
| 1.0.0.0/8 | IDC Geidea Technology Co ltd | Saudi Arabia | 📅 2017-09-15 13:39 | 📅 2017-09-15 13:42 | |
| 1.0.0.0/8 | ISP Sprint | United States | 📅 2003-10-30 23:39 | 📅 2003-10-30 23:42 | |
| 1.0.0.0/8 | ISP JSC Orient-Telecom | Russia | 📅 2003-10-15 11:38 | 📅 2003-10-16 13:51 | |
| 1.0.0.0/8 | ISP Harbor Communications | United States | 📅 2003-03-03 02:55 | 📅 2003-03-03 03:44 | |
| 1.0.0.0/8 | UNK Unknown | -- | 📅 2001-11-14 05:13 | 📅 2002-08-05 11:10 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-1 | 1.0.0.0/8 | 📅 2010-07-30 08:00 | 📅 2025-10-29 17:45 |
IDC NJR-CERNET | 1.51.0.0/16 | 📅 2020-09-03 17:16 | 📅 2025-10-20 11:55 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 1.0.0.0/8 |  ARIN | -- | 📅 2010-07-30 08:00 | 📅 2025-10-29 17:45 | |
| 1.51.0.0/16 |  APNIC | China | 📅 2020-09-03 17:16 | 📅 2025-10-20 11:55 |
