IP subnet details

168.203.40.0/23

AS16509  — Amazon.com, Inc.

Summary

Country
US United States
Domain sparkpost.com
Size 512
Registry ARIN
Network Name MS-820

Whois

Various Registries (Maintained by ARIN) NET168 (NET-168-0-0-0-0) 168.0.0.0 - 168.255.255.255
Sparkpost MS-820 (NET-168-203-32-0-1) 168.203.32.0 - 168.203.63.255

CIDR IP address subranges within 168.203.40.0/23 subnet

  • 168.203.40.0/24
  • 168.203.41.0/24

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