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AS numbers

AS375 TIETOTIE-AS Tieto Oyj

AS375 is operated by TIETOTIE-AS Tieto Oyj and registered with RIPE NCC (FI) since 1993-09-01.

It announces 52 IPv4 and 1 IPv6 prefixes, 100% of them RPKI valid.

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

NameTIETOTIE-AS Tieto Oyj
Registry (RIR)RIPE NCC
CountryFinland (FI)
Delegated on1993-09-01
Prefixes (IPv4 / IPv6)52 / 1
RPKI valid100% (53 / 53)
Upstreams and peers2
Downstream networks0

Routing health

  • AS375 announces 52 IPv4 and 1 IPv6 prefixes.
  • All 53 announced prefixes are RPKI valid.
  • 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 53

  • 131.207.0.0/17
  • 192.49.0.0/21
  • 192.49.9.0/24
  • 192.49.10.0/24
  • 192.49.13.0/24
  • 192.49.19.0/24
  • 192.49.20.0/24
  • 192.49.22.0/24
  • 192.49.33.0/24
  • 192.49.36.0/22
  • 192.49.40.0/21
  • 192.49.48.0/22
  • 192.49.52.0/23
  • 192.49.55.0/24
  • 192.49.56.0/21
  • 192.49.64.0/22
  • 192.49.68.0/24
  • 192.49.70.0/23
  • 192.49.72.0/23
  • 192.49.72.0/24
  • 192.49.78.0/24
  • 192.49.81.0/24
  • 192.49.86.0/23
  • 192.49.88.0/23
  • 192.49.91.0/24
  • 192.49.92.0/22
  • 192.49.96.0/20
  • 192.49.112.0/22
  • 192.49.117.0/24
  • 192.49.119.0/24
  • 192.49.120.0/22
  • 192.49.124.0/23
  • 192.49.126.0/24
  • 192.49.128.0/22
  • 192.49.133.0/24
  • 192.49.134.0/24
  • 192.49.136.0/23
  • 192.49.139.0/24
  • 192.49.140.0/23
  • 192.49.142.0/24
  • 192.49.144.0/24
  • 192.49.146.0/24
  • 192.49.148.0/22
  • 192.49.152.0/21
  • 192.49.160.0/21
  • 192.49.168.0/23
  • 192.49.170.0/24
  • 192.49.173.0/24
  • 192.49.174.0/23
  • 192.49.176.0/20
  • 192.49.192.0/18
  • 192.163.145.0/24
  • 2a03:9b80::/34

Upstreams and peers 2

The networks RIPE RIS sees next to AS375 in BGP paths, the most visible first.

More about AS375

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 13:58 UTC. The country is where the AS number was registered, not necessarily where the network operates.