AS43366 OSSO
AS43366 is operated by OSSO and registered with RIPE NCC (NL) since 2007-07-20.
It announces 9 IPv4 and 3 IPv6 prefixes, 91% of them RPKI valid.
RIPE RIS sees 54 upstream and peer networks and 11 downstream networks next to it.
PeeringDB lists it as a Content network at 3 internet exchanges and 6 facilities. Its peering policy is open.
| Name | OSSO |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Netherlands (NL) |
| Delegated on | 2007-07-20 |
| Network type | Content, Europe |
| Peering policy | Open |
| IRR as-set | RIPE::AS-OSSO |
| Prefixes (IPv4 / IPv6) | 9 / 3 |
| RPKI valid | 91% (11 / 12) |
| Upstreams and peers | 54 |
| Downstream networks | 11 |
| Website | osso.nl |
Routing health
- AS43366 announces 9 IPv4 and 3 IPv6 prefixes.
- 11 of 12 announced prefixes are RPKI valid.
- 1 announced prefixes are not covered by a ROA of AS43366 (they may have none, or another network’s).
- 54 upstreams and peers, 11 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 12
- 91.194.224.0/23
- 185.12.144.0/22
- 185.37.124.0/22
- 185.79.8.0/22
- 185.159.136.0/22
- 195.28.22.0/23
- 195.88.160.0/23
- 217.21.192.0/20
- 217.21.206.0/24
- 2a00:8080::/32
- 2a05:6c80::/29
- 2a07:b440::/29
Upstreams and peers 54
The networks RIPE RIS sees next to AS43366 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 80 IPv4, 25 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| AMS-IX | 1 | 10G | Yes |
| Frys-IX | 1 | 10G | Yes |
| GrunIX | 1 | 10G | No |
| Facility | City | Country |
|---|---|---|
| Equinix AM5 - Amsterdam, Schepenbergweg | Amsterdam | NL |
| Equinix AM7 - Amsterdam, Kuiperberweg | Amsterdam | NL |
| Eurofiber Datacenter Groningen 1 | Groningen | NL |
| NIKHEF Amsterdam | Amsterdam | NL |
| NorthC Groningen 1 | Groningen | NL |
| QTS Groningen (GRO1) | Groningen | NL |
More about AS43366
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 22:23 UTC. The country is where the AS number was registered, not necessarily where the network operates.