Home Prefix Lookup203.187.129.0/24

203.187.129.0/24 - BGP Prefix

IPv4APNICassigned RPKI Valid

CIDR

203.187.129.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇸🇬 Singapore

City

Singapore (Hougang)

RIR

APNIC

Status

assigned

Allocated

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 currently announced in BGP. See covering prefix below.

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.187.128.0/19	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11
203.187.128.0/22	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.187.128.0/19	AS3300	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3300	APNIC	MAINT-AP-INFONET	2021-05-11

More Specific Prefixes

Prefix	Country	Status
203.187.129.0/30	🇸🇬SG	assigned
203.187.129.4/30	🇸🇬SG	assigned
203.187.129.8/29	🇸🇬SG	assigned
203.187.129.16/28	🇸🇬SG	assigned
203.187.129.32/28	🇸🇬SG	assigned
203.187.129.48/29	🇸🇬SG	assigned
203.187.129.56/29	🇸🇬SG	assigned
203.187.129.80/29	🇸🇬SG	assigned
203.187.129.88/29	🇸🇬SG	assigned
203.187.129.96/27	🇸🇬SG	assigned
203.187.129.128/28	🇸🇬SG	assigned
203.187.129.144/29	🇸🇬SG	assigned
203.187.129.152/29	🇸🇬SG	assigned
203.187.129.160/28	🇸🇬SG	assigned
203.187.129.176/29	🇸🇬SG	assigned
203.187.129.184/29	🇸🇬SG	assigned
203.187.129.192/28	🇸🇬SG	assigned
203.187.129.208/29	🇸🇬SG	assigned
203.187.129.216/29	🇸🇬SG	assigned
203.187.129.224/29	🇸🇬SG	assigned
203.187.129.232/29	🇸🇬SG	assigned
203.187.129.240/28	🇸🇬SG	assigned

Related Prefixes

Covering prefix

203.187.128.0/22AS3300

Geolocation

Country🇸🇬SingaporeSG

CitySingapore (Hougang)

Coordinates1.3380, 103.8940 ↗

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/203.187.129.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/203.187.129.0/24" | jq

External Links

RIPEstat