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AS numbers

AS23833 Marusan Securities Co., LTD.

AS23833 is operated by Marusan Securities Co., LTD. and registered with APNIC (JP) since 2003-06-16.

It announces 1 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 1 upstream and peer networks and 0 downstream networks next to it.

NameMarusan Securities Co., LTD.
Registry handleMARUSAN-NET
Registry (RIR)APNIC
CountryJapan (JP)
Delegated on2003-06-16
Prefixes (IPv4 / IPv6)1 / 0
RPKI valid0% (0 / 1)
Upstreams and peers1
Downstream networks0

Routing health

  • AS23833 announces 1 IPv4 and 0 IPv6 prefixes.
  • No IPv6 prefixes announced.
  • 1 announced prefixes are not covered by a ROA of AS23833 (they may have none, or another network’s).
  • One upstream or peer seen (AS17676): an outage there takes the whole network off the internet.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 1

  • 202.61.1.0/24

Upstreams and peers 1

The networks RIPE RIS sees next to AS23833 in BGP paths, the most visible first.

More about AS23833

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 04:21 UTC. The country is where the AS number was registered, not necessarily where the network operates.