Home Prefix Lookup203.112.72.0/22

203.112.72.0/22 - OPTIMAX BD AP OptiMax Communication (AS38031)

IPv4APNICannouncedAS38031OPTIMAX-BD-AS-AP OptiMax Communication Ltd. RPKI Valid

CIDR

203.112.72.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇧🇩 Bangladesh

City

Dhaka (Gulshan)

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
203.112.72.0/22	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	APNIC	2026-10-11

Related Announcements

1 less-specific, 6 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.112.72.0/21	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.72.0/23	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.72.0/24	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.73.0/24	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.74.0/23	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.74.0/24	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11
203.112.75.0/24	AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.112.72.0/21	AS38031	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS38031	APNIC	MAINT-BD-OPTIMAX	2019-10-19

More Specific Prefixes

Prefix	AS	Country	Status
203.112.72.0/24	AS38031	🇧🇩BD	assigned
203.112.73.0/24	AS38031	🇧🇩BD	assigned
203.112.74.0/24	AS38031	🇧🇩BD	assigned
203.112.75.0/24	AS38031	🇧🇩BD	assigned

Origin ASN

AS38031

OPTIMAX-BD-AS-AP OptiMax Communication Ltd.

Related Prefixes

Covering prefix

203.112.72.0/21AS38031

More prefixes of AS38031

All prefixes of AS38031 →

Geolocation

Country🇧🇩BangladeshBD

RegionDhaka Division

CityDhaka (Gulshan)

Coordinates23.7835, 90.4148 ↗

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/203.112.72.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.112.72.0/22" | jq

External Links

RIPEstat