AS9230 BOL-BD-AP Bangladesh Online Ltd.

Every prefix observed with AS9230 as its origin, checked against RPKI and the IRR. Problems sort first.

Signed statements by address holders that AS9230 may originate these prefixes, up to the maximum length shown.

ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.

This network has signed an ASPA record naming its transit providers. Each is compared against the upstreams observed in routing paths.

An observed upstream that is not declared is not necessarily a leak: our upstream inference cannot tell a transit provider from a peer seen in the same position. A declared provider that is never observed is usually a backup path.

Route objects naming AS9230 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.

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The as-set is what upstreams expand to build this network's customer filter. Sets that list AS9230 directly show who expects to carry it.