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thenetworkery

AS numbers

AS57721 IL-FLASH Flash Networks Ltd.

AS57721 is operated by IL-FLASH Flash Networks Ltd. and registered with RIPE NCC (IL) since 2015-02-17.

It announces 1 IPv4 and 0 IPv6 prefixes, 100% of them RPKI valid.

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

NameIL-FLASH Flash Networks Ltd.
Registry (RIR)RIPE NCC
CountryIsrael (IL)
Delegated on2015-02-17
Prefixes (IPv4 / IPv6)1 / 0
RPKI valid100% (1 / 1)
Upstreams and peers1
Downstream networks0

Routing health

  • AS57721 announces 1 IPv4 and 0 IPv6 prefixes.
  • No IPv6 prefixes announced.
  • All 1 announced prefixes are RPKI valid.
  • One upstream or peer seen (AS205209): 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

  • 185.87.160.0/22

Upstreams and peers 1

The networks RIPE RIS sees next to AS57721 in BGP paths, the most visible first.

More about AS57721

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:18 UTC. The country is where the AS number was registered, not necessarily where the network operates.