123.243.40.0/24

🇦🇺

CIDR

123.243.40.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇦🇺 Australia

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
123.243.40.0/24	AS7545TPG-INTERNET-AP - TPG Telecom Limited	No ROA	RADB	6/1/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
123.243.0.0/16	AS7545TPG-INTERNET-AP - TPG Telecom Limited	No ROA	—	6/1/2026

Origin	Registry	Maintainer	Modified
AS7545	RADB	MAINT-AS7545	6/24/2025

Prefix	AS	Country	Status
123.243.40.128/29	AS2764	🇦🇺AU	assigned
123.243.40.136/29	AS2764	🇦🇺AU	assigned
123.243.40.144/29	AS2764	🇦🇺AU	assigned
123.243.40.216/29	AS2764	🇦🇺AU	assigned
123.243.40.224/29	AS2764	🇦🇺AU	assigned
123.243.40.240/29	AS2764	🇦🇺AU	assigned
123.243.40.56/29	AS2764	🇦🇺AU	assigned
123.243.40.80/29	AS2764	🇦🇺AU	assigned
123.243.40.96/29	AS2764	🇦🇺AU	assigned
123.243.40.120/29	AS2764	🇦🇺AU	assigned
123.243.40.160/29	AS2764	🇦🇺AU	assigned
123.243.40.0/29	AS2764	🇦🇺AU	assigned
123.243.40.16/29	AS2764	🇦🇺AU	assigned
123.243.40.32/29	AS2764	🇦🇺AU	assigned
123.243.40.40/29	AS2764	🇦🇺AU	assigned
123.243.40.48/29	AS2764	🇦🇺AU	assigned
123.243.40.64/29	AS2764	🇦🇺AU	assigned
123.243.40.72/29	AS2764	🇦🇺AU	assigned
123.243.40.88/29	AS2764	🇦🇺AU	assigned
123.243.40.152/29	AS2764	🇦🇺AU	assigned
123.243.40.184/29		🇦🇺AU	assigned
123.243.40.192/29	AS2764	🇦🇺AU	assigned
123.243.40.200/29	AS2764	🇦🇺AU	assigned
123.243.40.208/29	AS2764	🇦🇺AU	assigned
123.243.40.248/29	AS2764	🇦🇺AU	assigned
123.243.40.8/29		🇦🇺AU	assigned
123.243.40.232/29	AS2764	🇦🇺AU	assigned

Origin ASN

Geolocation

Country🇦🇺AustraliaAU

API

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/123.243.40.0/24" | jq

External Links