Home Prefix Lookup203.28.240.0/23

203.28.240.0/23 - BGP Prefix

IPv4APNICallocatedNo ROA

CIDR

203.28.240.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇦🇺 Australia

City

Parkville

RIR

APNIC

Status

allocated

Allocated

1996-06-27

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.28.240.0/22	AS10148 UNIMELB-AS-AP The University of Melbourne, Melbourne, Victoria	No ROA	-	2026-10-11

Transfer History

Registry transfers of 203.28.240.0/23, blocks inside it, or blocks containing it.

203.28.240.0/23Transfer · 2014-05-19
Ormond College
🇦🇺 AU APNIC
→
Trinity College
🇦🇺 AU APNIC

Date	Resource	From	To	Type
2014-05-19	203.28.240.0/23	Ormond College 🇦🇺 AU APNIC	Trinity College 🇦🇺 AU APNIC	Transfer

Related Prefixes

Covering prefix

203.28.240.0/22AS10148

Geolocation

Country🇦🇺AustraliaAU

RegionVictoria

CityParkville

Coordinates-37.7877, 144.9590 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/203.28.240.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/203.28.240.0/23" | jq

External Links

RIPEstat