Professional IP Registry Lookup
IP WHOIS Details
Query regional network registries recursively to isolate network ranges, ISP owners, allocations, regional servers, and administrative abuse contacts.
Multiple Mapped IP Addresses Found (2)
This domain resolves to multiple destination addresses. Click on any alternate IP below to run recursive WHOIS lookup on that node:
103.168.172.51
IPv4
(Active)
103.168.172.36
IPv4
BGP Network & Carrier
BGP Autonomous System (ASN)
AS151847 (FASTMAILPTYLTD-AS-AP - Fastmail Pty Ltd, AU) [AU]
Query IP Address
103.168.172.51
Reverse DNS (PTR)
mail.messagingengine.com
Country / Region
AU
Regional Internet Registry (RIR)
APNIC (Asia Pacific)
Security & Reputation Assessment
USOM Blacklist
Clean — No Active Block in Turkey
Global DNSBL Blacklist Reputation
Spamhaus Zen
Clean
Barracuda BRBL
Clean
UCEPROTECT L1
Clean
Quick Diagnostics & Actions
Subnet Diagnostics
IP Range Span
103.168.172.1
→
103.168.172.254
Subnet Block / Range
CIDR Prefix
/24
IP Version
IPv4
Subnet Mask
255.255.255.0
Total Hosts
254
Network Class
Class A
Network Name
FASTMAILPTYLTD-AU
Network Type / Status
ASSIGNED PORTABLE
Registry Owner & Contacts
Sponsoring Organization / Owner
Allocated
01.11.2021
Last Updated
18.12.2024
Abuse / Security Contact
Registry ID / Handle
103.168.172.0 - 103.168.172.255
Admin Contact
Tech Contact