AS39904MERIT GROUP a.s
CzechiaRegistryRIPE NCCAt a glance
IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
4.1k
IPv6 /64s
4.3B
Upstream graph
The networks AS39904 is seen behind, one and two hops out, drawn from real AS paths.
AS39904Toward the internet core
Networks observed one and two hops upstream of AS39904 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
48
adjacent networks
- Upstreams
- 919%
- Peers
- 3573%
- Downstreams
- 48%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS6939Hurricane Electric LLC |  US | Peer | 199 | 59 |
| AS6855Slovak Telekom, a.s. |  SK | Peer | 183 | 50 |
| AS16019Vodafone Czech Republic a.s. | CZ | Peer | 102 | 27 |
| AS24940Hetzner Online GmbH |  DE | Peer | 10 | 2 |
| AS32590Valve Corporation | US | Peer | 8 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 8 | 2 |
| AS132337Axclusive |  SG | Peer | 6 | 1 |
| AS24482SG.GS | SG | Peer | 5 | 1 |
| AS22356Durand do Brasil Ltda |  BR | Peer | 4 | 1 |
Prefixes
The largest blocks AS39904 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 46.227.168.0/21 | 2k | 80/80 |
| 91.215.12.0/22 | 1k | 80/80 |
| 195.189.0.0/22 | 1k | 80/80 |
| 2a02:7a00::/32 | 4.3B × /64 | 61/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.