AS204409Prestonet s.r.o.
CzechiaRegistryRIPE NCCAt a glance
IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
1k
IPv6 /64s
4.3B
Upstream graph
The networks AS204409 is seen behind, one and two hops out, drawn from real AS paths.
AS204409Toward the internet core
Networks observed one and two hops upstream of AS204409 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
44
adjacent networks
- Upstreams
- 920%
- Peers
- 3580%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS39392SH.cz s.r.o. | CZ | Peer | 112 | 112 |
| AS6939Hurricane Electric LLC |  US | Peer | 16 | 16 |
| AS49544i3D.net B.V |  NL | Peer | 2 | 2 |
| AS32590Valve Corporation | US | Peer | 2 | 2 |
| AS24940Hetzner Online GmbH |  DE | Peer | 2 | 2 |
| AS24482SG.GS |  SG | Peer | 2 | 2 |
| AS132337Axclusive | SG | Peer | 1 | 1 |
| AS22356Durand do Brasil Ltda |  BR | Peer | 1 | 1 |
| AS8529Zain Omantel International FZ-LLC |  AE | Peer | 1 | 1 |
Prefixes
The largest blocks AS204409 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 185.249.112.0/22 | 1k | 79/80 |
| 2a0c:340::/32 | 4.3B × /64 | 60/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.