AS39912 oja.at
AS39912 is operated by oja.at and registered with RIPE NCC (AT) since 2006-05-16.
It announces 43 IPv4 and 3 IPv6 prefixes, 97% of them RPKI valid.
RIPE RIS sees 37 upstream and peer networks and 12 downstream networks next to it.
PeeringDB lists it as an NSP network at 9 internet exchanges and 8 facilities. Its peering policy is open.
| Name | oja.at |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Austria (AT) |
| Delegated on | 2006-05-16 |
| Network type | NSP, Europe |
| Peering policy | Open |
| IRR as-set | AS-I3B |
| Prefixes (IPv4 / IPv6) | 43 / 3 |
| RPKI valid | 97% (45 / 46) |
| Upstreams and peers | 37 |
| Downstream networks | 12 |
| Website | oja.at |
Routing health
- AS39912 announces 43 IPv4 and 3 IPv6 prefixes.
- 45 of 46 announced prefixes are RPKI valid.
- 1 announced prefixes are not covered by a ROA of AS39912 (they may have none, or another network’s).
- 37 upstreams and peers, 12 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 46
- 37.186.0.0/22
- 37.186.4.0/24
- 37.186.6.0/23
- 37.186.8.0/21
- 37.186.16.0/21
- 77.220.96.0/20
- 77.220.112.0/22
- 77.220.120.0/21
- 78.142.64.0/23
- 78.142.68.0/22
- 78.142.72.0/21
- 78.142.96.0/20
- 78.142.112.0/22
- 78.142.116.0/23
- 78.142.122.0/23
- 78.142.124.0/22
- 81.94.48.0/22
- 81.94.52.0/23
- 81.94.54.0/24
- 81.94.56.0/21
- 91.206.224.0/23
- 92.42.16.0/22
- 92.63.208.0/22
- 92.63.212.0/24
- 92.63.214.0/23
- 92.63.216.0/21
- 93.185.128.0/20
- 95.143.80.0/20
- 193.47.156.0/24
- 194.34.226.0/24
- 195.16.224.0/21
- 195.16.232.0/22
- 195.16.236.0/23
- 195.16.238.0/24
- 195.16.241.0/24
- 195.16.242.0/23
- 195.16.245.0/24
- 195.16.246.0/23
- 195.16.251.0/24
- 195.16.253.0/24
- 195.16.254.0/23
- 195.140.136.0/22
- 213.139.252.0/22
- 2a00:e98::/32
- 2a01:100::/32
- 2a01:f8::/32
Upstreams and peers 37
The networks RIPE RIS sees next to AS39912 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 500 IPv4, 200 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| AAIX | 1 | 40G | Yes |
| DE-CIX Dusseldorf: DE-CIX Dusseldorf Peering LAN | 1 | 1G | Yes |
| DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN | 1 | 100G | Yes |
| DE-CIX Hamburg: DE-CIX Hamburg Peering LAN | 1 | 1G | Yes |
| DE-CIX Istanbul: DE-CIX Istanbul Peering LAN | 1 | 1G | Yes |
| DE-CIX Munich: DE-CIX Munich Peering LAN | 1 | 1G | Yes |
| GraX | 1 | 20G | Yes |
| KleyReX: Peering LAN | 1 | 100M | Yes |
| VIX | 1 | 100G | Yes |
| Facility | City | Country |
|---|---|---|
| Citycom Datacenter Graz | Graz | AT |
| DATASIX Vienna (VIE1) | Vienna | AT |
| Digital Realty Frankfurt FRA1-27 | Frankfurt | DE |
| Digital Realty VIE1/2 - Vienna | Vienna | AT |
| Kelag Klagenfurt | Klagenfurt | AT |
| Stadtwerke Klagenfurt | Klagenfurt am Wörthersee | AT |
| Vienna University Computer Center (Wien) | Vienna | AT |
| XINON Graz | Graz | AT |
More about AS39912
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 07:58 UTC. The country is where the AS number was registered, not necessarily where the network operates.