IPv4 prefix

1.44.0.0/16

IP Prefix (CIDR)

1.44.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

1.44.0.0 - 1.44.255.255

Subnet calculator

Calculate subnet details

Registered Owners

Registration 1 of 2

Owner

SingTel Optus Pty Ltd

Handle

ORG-SOPL2-AP

Country

Australia (AU)

Address

Optus Macquarie Park (OCS) 1 Lyonpark Road, Macquarie Park

Registry

APNIC

Registered Prefix

1.44.0.0/16 (1.44.0.0 - 1.44.255.255)

Registration 2 of 2

Owner

OPTUS IP ADMINISTRATORS

Handle

OA3-AP

Country

Australia (AU)

Address

SingTel Optus Pty Ltd Optus Macquarie Park (OCS) 1 Lyonpark Road Macquarie Park NSW 2113 AUSTRALIA

Registry

APNIC

Registered Prefix

1.44.96.0/24 (1.44.96.0 - 1.44.96.255)

Delegated Prefix

1.44.0.0/16 (1.44.0.0 - 1.44.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
1.44.0.0/16	Exact	AS7474	SingTel Optus Pty Ltd	Australia (AU)	1.44.0.0	1.44.255.255
1.44.0.0/21	More specific	AS4804	SingTel Optus Pty Ltd	Australia (AU)	1.44.0.0	1.44.7.255
1.44.24.0/21	More specific	AS4804	SingTel Optus Pty Ltd	Australia (AU)	1.44.24.0	1.44.31.255
1.44.48.0/21	More specific	AS4804	SingTel Optus Pty Ltd	Australia (AU)	1.44.48.0	1.44.55.255
1.44.96.0/24	More specific	AS16509	Amazon.com Inc.	United States of America (US)	1.44.96.0	1.44.96.255