Home Prefix Lookup203.21.130.0/23

203.21.130.0/23 - The University Of Melbourne, Victoria (AS10148)

IPv4APNICassignedAS10148UNIMELB-AS-AP - The University of Melbourne, Melbourne, Victoria RPKI Valid

CIDR

203.21.130.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇦🇺 Australia

City

Melbourne

RIR

APNIC

Status

assigned

Allocated

1995-11-02

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.21.130.0/23	AS10148 UNIMELB-AS-AP - The University of Melbourne, Melbourne, Victoria	Valid	APNICOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.21.130.0/23	AS10148	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS10148	APNIC	MAINT-AU-UNIMELB	2019-11-12
AS10148	Other IRR	MAINT-ASAARNET	2023-11-13

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

CityMelbourne

Coordinates-37.8136, 144.9630 ↗

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/203.21.130.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/203.21.130.0/23" | jq

External Links

RIPEstat