AS57521Simplysoft GmbH
SwitzerlandRegistryRIPE NCCAt a glance
IPv4 prefixes
1
IPv6 prefixes
7
IPv4 addresses
256
IPv6 /64s
459k
Upstream graph
The networks AS57521 is seen behind, one and two hops out, drawn from real AS paths.
AS57521Toward the internet core
Networks observed one and two hops upstream of AS57521 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
26
adjacent networks
- Upstreams
- 519%
- Peers
- 2181%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS13030Init7 (Switzerland) Ltd. | CH | Peer | 208 | 82 |
| AS34927iFog GmbH | CH | Peer | 178 | 62 |
| AS58057Securebit AG | CH | Peer | 121 | 25 |
| AS24940Hetzner Online GmbH |  DE | Peer | 6 | 1 |
| AS8298IPng Networks GmbH | CH | Peer | 1 | 1 |
Prefixes
The largest blocks AS57521 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 45.10.39.0/24 | 256 | 80/80 |
| 2a13:bc1::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc1:1::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc1:2::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc1:3::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc1:4::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc2::/48 | 65.5k × /64 | 62/62 |
| 2a13:bc2:ffff::/48 | 65.5k × /64 | 62/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.