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thenetworkery

AS numbers

AS21288 SPRINTNET "SPRINT" S.A.

AS21288 is operated by SPRINTNET "SPRINT" S.A. and registered with RIPE NCC (PL) since 2001-10-17.

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

RIPE RIS sees 2 upstream and peer networks and 0 downstream networks next to it.

NameSPRINTNET "SPRINT" S.A.
Registry (RIR)RIPE NCC
CountryPoland (PL)
Delegated on2001-10-17
Prefixes (IPv4 / IPv6)1 / 0
RPKI valid0% (0 / 1)
Upstreams and peers2
Downstream networks0

Routing health

  • AS21288 announces 1 IPv4 and 0 IPv6 prefixes.
  • No IPv6 prefixes announced.
  • 1 announced prefixes are not covered by a ROA of AS21288 (they may have none, or another network’s).
  • 2 upstreams and peers, 0 downstream networks seen.

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

  • 195.245.226.0/24

Upstreams and peers 2

The networks RIPE RIS sees next to AS21288 in BGP paths, the most visible first.

More about AS21288

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 22:26 UTC. The country is where the AS number was registered, not necessarily where the network operates.