Home Prefix Lookup203.221.123.0/24

203.221.123.0/24

🇦🇺

IPv4APNICannouncedAS7545TPG-INTERNET-AP - TPG Telecom LimitedNo ROA

CIDR

203.221.123.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇦🇺 Australia

City

Adelaide

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
203.221.123.0/24	AS7545TPG-INTERNET-AP - TPG Telecom Limited	No ROA	RADB	6/1/2026

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.220.0.0/15	AS9942COMINDICO-AP - SOUL Converged Communications Australia	No ROA	—	6/1/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7545	RADB	MAINT-AS7545	11/4/2025

More Specific Prefixes

Prefix	Country	Status
203.221.123.180/30	🇦🇺AU	assigned
203.221.123.220/30	🇦🇺AU	assigned
203.221.123.188/30	🇦🇺AU	assigned
203.221.123.28/30	🇦🇺AU	assigned
203.221.123.76/30	🇦🇺AU	assigned
203.221.123.244/30	🇦🇺AU	assigned
203.221.123.88/30	🇦🇺AU	assigned
203.221.123.40/30	🇦🇺AU	assigned
203.221.123.192/30	🇦🇺AU	assigned
203.221.123.240/30	🇦🇺AU	assigned
203.221.123.12/30	🇦🇺AU	assigned
203.221.123.72/30	🇦🇺AU	assigned
203.221.123.156/30	🇦🇺AU	assigned
203.221.123.112/30	🇦🇺AU	assigned
203.221.123.0/30	🇦🇺AU	assigned
203.221.123.4/30	🇦🇺AU	assigned
203.221.123.20/30	🇦🇺AU	assigned
203.221.123.24/30	🇦🇺AU	assigned
203.221.123.32/30	🇦🇺AU	assigned
203.221.123.36/30	🇦🇺AU	assigned
203.221.123.48/30	🇦🇺AU	assigned
203.221.123.60/30	🇦🇺AU	assigned
203.221.123.64/30	🇦🇺AU	assigned
203.221.123.68/30	🇦🇺AU	assigned
203.221.123.84/30	🇦🇺AU	assigned
203.221.123.104/30	🇦🇺AU	assigned
203.221.123.120/30	🇦🇺AU	assigned
203.221.123.124/30	🇦🇺AU	assigned
203.221.123.128/30	🇦🇺AU	assigned
203.221.123.132/30	🇦🇺AU	assigned
203.221.123.140/30	🇦🇺AU	assigned
203.221.123.152/30	🇦🇺AU	assigned
203.221.123.160/30	🇦🇺AU	assigned
203.221.123.164/30	🇦🇺AU	assigned
203.221.123.168/30	🇦🇺AU	assigned
203.221.123.172/30	🇦🇺AU	assigned
203.221.123.176/30	🇦🇺AU	assigned
203.221.123.184/30	🇦🇺AU	assigned
203.221.123.196/30	🇦🇺AU	assigned
203.221.123.204/30	🇦🇺AU	assigned
203.221.123.208/30	🇦🇺AU	assigned
203.221.123.212/30	🇦🇺AU	assigned
203.221.123.224/30	🇦🇺AU	assigned
203.221.123.228/30	🇦🇺AU	assigned
203.221.123.236/30	🇦🇺AU	assigned
203.221.123.248/30	🇦🇺AU	assigned
203.221.123.44/30	🇦🇺AU	assigned
203.221.123.96/30	🇦🇺AU	assigned
203.221.123.100/30	🇦🇺AU	assigned
203.221.123.108/30	🇦🇺AU	assigned
203.221.123.136/30	🇦🇺AU	assigned
203.221.123.200/30	🇦🇺AU	assigned
203.221.123.216/30	🇦🇺AU	assigned
203.221.123.252/30	🇦🇺AU	assigned
203.221.123.8/30	🇦🇺AU	assigned
203.221.123.16/30	🇦🇺AU	assigned
203.221.123.80/30	🇦🇺AU	assigned
203.221.123.92/30	🇦🇺AU	assigned
203.221.123.116/30	🇦🇺AU	assigned
203.221.123.144/30	🇦🇺AU	assigned
203.221.123.148/30	🇦🇺AU	assigned

Origin ASN

AS7545

TPG-INTERNET-AP - TPG Telecom Limited

Geolocation

Country🇦🇺AustraliaAU

RegionSouth Australia

CityAdelaide

Coordinates-34.9285, 138.6010 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/203.221.123.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/203.221.123.0/24" | jq

External Links

RIPEstat Hurricane Electric BGP