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.
| Name | TIETOTIE-AS Tieto Oyj |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Finland (FI) |
| Delegated on | 1993-09-01 |
| Prefixes (IPv4 / IPv6) | 52 / 1 |
| RPKI valid | 100% (53 / 53) |
| Upstreams and peers | 2 |
| Downstream networks | 0 |
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.