Home Prefix Lookup203.28.240.0/22

203.28.240.0/22 - UNIMELB AP The University Of Melbourne, Victoria (AS10148)

IPv4APNICannouncedAS10148UNIMELB-AS-AP The University of Melbourne, Melbourne, VictoriaNo ROA

CIDR

203.28.240.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇦🇺 Australia

City

Parkville

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

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

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7575	Other IRR	MAINT-AS58453	2023-11-13

More Specific Prefixes

Prefix	Country	Status
203.28.240.0/23	🇦🇺AU	allocated
203.28.242.0/24	🇦🇺AU	allocated
203.28.243.0/24	🇦🇺AU	allocated

Transfer History

Registry transfers of 203.28.240.0/22, blocks inside it, or blocks containing it.

203.28.243.0/24Transfer · 2014-11-10
Ormond College
🇦🇺 AU APNIC
→
QUEENS COLLEGE
🇦🇺 AU APNIC
203.28.242.0/24Transfer · 2014-05-19
Ormond College
🇦🇺 AU APNIC
→
Trinity College
🇦🇺 AU APNIC
203.28.240.0/23Transfer · 2014-05-19
Ormond College
🇦🇺 AU APNIC
→
Trinity College
🇦🇺 AU APNIC

Date	Resource	From	To	Type
2014-11-10	203.28.243.0/24	Ormond College 🇦🇺 AU APNIC	QUEENS COLLEGE 🇦🇺 AU APNIC	Transfer
2014-05-19	203.28.242.0/24	Ormond College 🇦🇺 AU APNIC	Trinity College 🇦🇺 AU APNIC	Transfer
2014-05-19	203.28.240.0/23	Ormond College 🇦🇺 AU APNIC	Trinity College 🇦🇺 AU APNIC	Transfer

Origin ASN

AS10148

UNIMELB-AS-AP The University of Melbourne, Melbourne, Victoria

Related Prefixes

More prefixes of AS10148

All prefixes of AS10148 →

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/203.28.240.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.28.240.0/22" | jq

External Links

RIPEstat