Home Prefix Lookup203.121.128.0/24

203.121.128.0/24 - PACIFICINTERNET AP Pacific Internet Pte (AS4765)

IPv4APNICassignedAS4765PACIFICINTERNET-AS-AP Pacific Internet Pte Ltd RPKI Valid

CIDR

203.121.128.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇹🇭 TH

City

Bangkok

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
203.121.128.0/24	AS4765 PACIFICINTERNET-AS-AP Pacific Internet Pte Ltd	Valid	APNICOther IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.121.128.0/20	AS4765 PACIFICINTERNET-AS-AP Pacific Internet Pte Ltd	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.121.128.0/24	AS4765	/24	apnic
203.121.128.0/20	AS4765	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4765	APNIC	MAINT-SG-PACIFIC	2019-03-26
AS4765	Other IRR	MAINT-AS3491	2025-03-28

Origin ASN

AS4765

PACIFICINTERNET-AS-AP Pacific Internet Pte Ltd

Related Prefixes

Covering prefix

203.121.128.0/20AS4765

More prefixes of AS4765

All prefixes of AS4765 →

Geolocation

Country🇹🇭THTH

CityBangkok

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/203.121.128.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/203.121.128.0/24" | jq

External Links

RIPEstat