Home Prefix Lookup203.170.88.0/23

203.170.88.0/23 - Real World The Core (AS45437)

IPv4APNICallocatedAS45437RWTS-AS-AP - Real World - The Core RPKI Valid

CIDR

203.170.88.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇦🇺 Australia

City

Macquarie Park

RIR

APNIC

Status

allocated

Allocated

2016-02-29

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.170.88.0/23	AS45437 RWTS-AS-AP - Real World - The Core	Valid	Other IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.170.88.0/23	AS45437	/23	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS45437	Other IRR	MAINT-AS2764	2026-05-27

Origin ASN

AS45437

RWTS-AS-AP - Real World - The Core

Related Prefixes

More prefixes of AS45437

All prefixes of AS45437 →

Geolocation

Country🇦🇺AustraliaAU

RegionNew South Wales

CityMacquarie Park

Coordinates-33.7774, 151.1210 ↗

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/203.170.88.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/203.170.88.0/23" | jq

External Links

RIPEstat