Home Prefix Lookup203.57.126.0/23

203.57.126.0/23 - BGP Prefix

IPv4APNICallocated RPKI Valid

CIDR

203.57.126.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇦🇺 Australia

City

Perth

RIR

APNIC

Status

allocated

Allocated

1997-02-06

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 announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.57.126.0/24	AS10214 PENTANET-AS-AP - Pentanet Limited	Valid	-	2026-10-12
203.57.127.0/24	AS10214 PENTANET-AS-AP - Pentanet Limited	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.57.126.0/23	AS10214	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS10214	APNIC	MAINT-PENTANET-AU	2022-09-29

More Specific Prefixes

Prefix	AS	Country	Status
203.57.126.0/24	AS10214	🇦🇺AU	assigned
203.57.127.0/24	AS10214	🇦🇺AU	assigned

Transfer History

Registry transfers of 203.57.126.0/23, blocks inside it, or blocks containing it.

203.57.126.0/23Transfer · 2022-09-20
Mark Raymond Hindle
🇦🇺 AU APNIC
→
PENTANET LIMITED
🇦🇺 AU APNIC

Date	Resource	From	To	Type
2022-09-20	203.57.126.0/23	Mark Raymond Hindle 🇦🇺 AU APNIC	PENTANET LIMITED 🇦🇺 AU APNIC	Transfer

Geolocation

Country🇦🇺AustraliaAU

CityPerth

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/203.57.126.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/203.57.126.0/23" | jq

External Links

RIPEstat