Home Prefix Lookup203.188.248.0/21

203.188.248.0/21 - ISN, Internet Service Provider (AS9832)

IPv4APNICannouncedAS9832ISN-AS-AP - ISN, Internet Service Provider RPKI Valid

CIDR

203.188.248.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇧🇩 Bangladesh

City

Gazipur

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
203.188.248.0/21	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	APNIC	2026-10-12

Related Announcements

1 less-specific, 8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.188.240.0/20	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.248.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.249.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.250.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.251.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.252.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.253.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.254.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12
203.188.255.0/24	AS9832 ISN-AS-AP - ISN, Internet Service Provider	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.188.248.0/21	AS9832	/21	apnic
203.188.240.0/20	AS9832	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9832	APNIC	MAINT-BD-ISN	2019-11-20

More Specific Prefixes

Prefix	AS	Country	Status
203.188.248.0/22		🇧🇩BD	allocated
203.188.248.0/24	AS9832	🇧🇩BD	assigned
203.188.249.0/24	AS9832	🇧🇩BD	assigned
203.188.250.0/24	AS9832	🇧🇩BD	assigned
203.188.251.0/24	AS9832	🇧🇩BD	assigned
203.188.252.0/22		🇧🇩BD	allocated
203.188.252.0/24	AS9832	🇧🇩BD	assigned
203.188.253.0/24	AS9832	🇧🇩BD	assigned
203.188.254.0/24	AS9832	🇧🇩BD	assigned
203.188.255.0/24	AS9832	🇧🇩BD	assigned

Origin ASN

AS9832

ISN-AS-AP - ISN, Internet Service Provider

Related Prefixes

Covering prefix

203.188.240.0/20AS9832

More prefixes of AS9832

All prefixes of AS9832 →

Geolocation

Country🇧🇩BangladeshBD

RegionDhaka Division

CityGazipur

Coordinates23.9984, 90.4223 ↗

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/203.188.248.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/203.188.248.0/21" | jq

External Links

RIPEstat