Home Prefix Lookup203.172.100.0/23

203.172.100.0/23 - CS LOXINFO PUBLIC COMPANY LIMITED (AS4750)

IPv4APNICannouncedAS4750CSLOXINFO-AS-AP - CS LOXINFO PUBLIC COMPANY LIMITED RPKI Valid

CIDR

203.172.100.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇹🇭 Thailand

City

Ratchathewi (Khwaeng Lumphini)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.172.100.0/23	AS4750 CSLOXINFO-AS-AP - CS LOXINFO PUBLIC COMPANY LIMITED	Valid	APNICOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.172.100.0/23	AS4750	/23	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4750	APNIC	Loxinfo-IS	2025-05-29
AS4750	Other IRR	MAINT-AS4750	2025-05-28

More Specific Prefixes

Prefix	Country	Status
203.172.100.112/28	🇹🇭TH	assigned
203.172.101.32/28	🇹🇭TH	assigned
203.172.101.48/28	🇹🇭TH	assigned
203.172.101.64/27	🇹🇭TH	assigned
203.172.101.96/28	🇹🇭TH	assigned
203.172.101.112/28	🇹🇭TH	assigned
203.172.101.128/27	🇹🇭TH	assigned
203.172.101.192/28	🇹🇭TH	assigned
203.172.101.208/29	🇹🇭TH	assigned
203.172.101.216/29	🇹🇭TH	assigned
203.172.101.240/28	🇹🇭TH	assigned

Origin ASN

AS4750

CSLOXINFO-AS-AP - CS LOXINFO PUBLIC COMPANY LIMITED

Related Prefixes

More prefixes of AS4750

All prefixes of AS4750 →

Geolocation

Country🇹🇭ThailandTH

RegionBangkok

CityRatchathewi (Khwaeng Lumphini)

Coordinates13.7450, 100.5410 ↗

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/203.172.100.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/203.172.100.0/23" | jq

External Links

RIPEstat