IP / ASN / Domain Lookup
IP Lookup Result
IP Address
140.112.5.1nat-1.adsl.ntu.edu.tw.
Location
Taiwan,Taipei
ASN
Company
IDC
National Taiwan University
Longitude
121.5533
121.5533
Latitude
25.083
25.083
Roaming IP
DataCenter
32%Risk Score
32% Risk Score
IP Address (Decimal)
2356151553
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 140.112.0.0/16 | IDC National Taiwan University | Taiwan | 📅 2005-10-16 16:14 | 📅 2025-10-13 04:46 | |
| 140.112.0.0/12 | ISP Taiwan Academic Network (TANet) Information Center | Taiwan | 📅 2005-10-16 18:16 | 📅 2025-10-13 03:21 | |
| 140.112.0.0/16 | ISP China Telecom Backbone | China | 📅 2021-10-01 12:10 | 📅 2021-10-04 18:53 | |
| 140.112.0.0/16 | ISP Taiwan Academic Network (TANet) Information Center | Taiwan | 📅 2001-10-28 22:55 | 📅 2018-12-03 18:46 | |
| 140.112.0.0/17 | IDC National Taiwan University | Taiwan | 📅 2003-02-12 14:38 | 📅 2005-10-16 16:14 | |
| 140.112.0.0/16 | IDC National Center for High-performance Computing | Taiwan | 📅 2003-01-08 10:47 | 📅 2003-01-11 10:26 | |
| 140.112.5.0/24 | IDC National Taiwan University | Taiwan | 📅 2003-01-08 16:50 | 📅 2003-01-10 17:01 | |
| 140.112.5.0/24 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 13:12 | |
| 140.112.0.0/12 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 04:09 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET140 | 140.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-14 17:27 |
IDC T-NTU.EDU.TW-NET | 140.112.0.0/16 | 📅 - | 📅 2025-10-13 04:46 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 140.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-14 17:27 | |
| 140.112.0.0/16 |  APNIC | Taiwan | 📅 - | 📅 2025-10-13 04:46 |
