AS31230SIX.SK Route Servers
SlovakiaRegistryRIPE NCCAs of 26th September 2026, AS31230 (SIX.SK Route Servers), a network registered in Slovakia with RIPE NCC, does not originate any prefixes visible to our route collectors. It is seen behind 5 upstream networks, most often AS34288 (Kantonsschule Zug) and AS15576 (NTS workspace AG), and in front of 33 downstream networks.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS31230 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS31230 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
96
adjacent networks
- Upstreams
- 55%
- Peers
- 5860%
- Downstreams
- 3334%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS34288Kantonsschule Zug |  CH | Peer | 450 | 3 |
| AS15576NTS workspace AG | CH | Peer | 215 | 2 |
| AS9002RETN Limited |  GB | Peer | 121 | 6 |
| AS5405Inter.link GmbH |  DE | Peer | 48 | 1 |
| AS24940Hetzner Online GmbH | DE | Peer | 48 | 2 |
Prefixes
The largest blocks AS31230 originates, widest first.
AS31230 does not originate any prefix visible from our collectors. Transit-only and unused ASNs both look like this.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.