Home Prefix Lookup203.172.40.0/22

203.172.40.0/22 - CSLOX IDC AP CS LOXINFO Public Company Limited (AS9891)

IPv4APNICallocatedAS9891CSLOX-IDC-AS-AP CS LOXINFO Public Company Limited. RPKI Valid

CIDR

203.172.40.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇹🇭 Thailand

City

Huai Khwang (Khwaeng Huai Khwang)

RIR

APNIC

Status

allocated

Allocated

2002-12-16

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.172.40.0/22	AS9891 CSLOX-IDC-AS-AP CS LOXINFO Public Company Limited.	Valid	Other IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.172.40.0/22	AS9891	/22	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9891	Other IRR	MAINT-THIX-CAT-TH	2023-11-13

More Specific Prefixes

Prefix	Country	Status
203.172.40.0/24	🇹🇭TH	assigned
203.172.41.0/24	🇹🇭TH	assigned
203.172.42.0/24	🇹🇭TH	assigned
203.172.43.0/24	🇹🇭TH	assigned

Origin ASN

AS9891

CSLOX-IDC-AS-AP CS LOXINFO Public Company Limited.

Related Prefixes

More prefixes of AS9891

All prefixes of AS9891 →

Geolocation

Country🇹🇭ThailandTH

RegionBangkok

CityHuai Khwang (Khwaeng Huai Khwang)

Coordinates13.7697, 100.5740 ↗

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/203.172.40.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.172.40.0/22" | jq

External Links

RIPEstat