IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.55.21.2mx2.a.outbound.createsend.com.
Location
Australia,New South Wales,Sydney
ASN
Company
ENT
CAMPAIGN MONITOR PTY LTD
Longitude
151.2073
151.2073
Latitude
-33.8679
-33.8679
Native IP
DataCenter
36%Risk Score
36% Risk Score
IP Address (Decimal)
3409384706
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.55.21.0/24 | ENT CAMPAIGN MONITOR PTY LTD | Australia | 📅 2017-01-01 08:37 | 📅 2025-11-18 04:54 | |
| 203.55.21.0/24 | ISP iiNet Limited | Australia | 📅 2005-07-19 09:15 | 📅 2007-11-13 10:03 | |
| 203.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 203.55.21.0/24 | ISP Simba Telecom Pte Ltd | Singapore | 📅 2004-04-15 17:17 | 📅 2004-05-27 04:43 |
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 |
ENT CAMPAIGNMONITOR-AU | 203.55.21.0/24 | 📅 2020-10-21 21:05 | 📅 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 | |
| 203.55.21.0/24 |  APNIC | Australia | 📅 2020-10-21 21:05 | 📅 2025-11-17 16:53 |
