IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.4.166.251
Location
Australia,Victoria,Melbourne
ASN
Company
ISP
Peter MacCallum Cancer Institute
Longitude
144.9442
144.9442
Latitude
-37.8131
-37.8131
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3406079739
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.4.166.0/24 | ISP Peter MacCallum Cancer Institute | Australia | 📅 2023-01-21 09:52 | 📅 2025-12-05 15:09 | |
| 203.4.164.0/22 | ISP Peter MacCallum Cancer Institute | Australia | 📅 2023-01-21 04:19 | 📅 2025-12-05 15:09 | |
| 203.4.166.0/24 | ISP SingTel Optus Pty Ltd | Australia | 📅 2017-01-01 08:38 | 📅 2022-10-27 00:07 | |
| 203.4.164.0/22 | ENT The University of Melbourne, Melbourne, Victoria | Australia | 📅 2004-01-31 19:12 | 📅 2021-05-19 15:54 | |
| 203.0.0.0/8 | UNK Association GIXE | France | 📅 2009-06-08 03:17 | 📅 2010-03-05 00:26 | |
| 203.4.166.0/24 | ISP Telstra Limited | Australia | 📅 2009-04-28 12:16 | 📅 2009-05-28 15:16 | |
| 203.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 203.4.164.0/22 | ISP Australian Academic and Research Network (AARNet) | Australia | 📅 2001-10-27 08:41 | 📅 2004-03-18 00:53 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP APNIC-AP | 203.0.0.0/8 | 📅 2023-09-05 09:46 | 📅 2025-12-07 07:45 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.1.20.0/13 | 📅 2023-11-07 00:09 | 📅 2025-12-07 07:03 |
ISP PMCI-AU | 203.4.164.0/22 | 📅 2022-06-07 09:03 | 📅 2025-12-05 15:09 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  APNIC | Australia | 📅 2023-09-05 09:46 | 📅 2025-12-07 07:45 | |
| 203.1.20.0/13 |  RIPE | European Union | 📅 2023-11-07 00:09 | 📅 2025-12-07 07:03 | |
| 203.4.164.0/22 | APNIC | Australia | 📅 2022-06-07 09:03 | 📅 2025-12-05 15:09 |
