AS204997FIRST SERVER LIMITED
United KingdomRegistryRIPE NCCAt a glance
IPv4 prefixes
63
IPv6 prefixes
16
IPv4 addresses
16.1k
IPv6 /64s
1M
Upstream graph
The networks AS204997 is seen behind, one and two hops out, drawn from real AS paths.
AS204997Toward the internet core
Networks observed one and two hops upstream of AS204997 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
2
adjacent networks
- Upstreams
- 150%
- Peers
- 150%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS50113FIRST SERVER LIMITED | GB | Peer | 5,977 | 142 |
Prefixes
All 79The largest blocks AS204997 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 45.144.64.0/24 | 256 | 80/80 |
| 45.144.65.0/24 | 256 | 80/80 |
| 45.144.66.0/24 | 256 | 80/80 |
| 45.144.67.0/24 | 256 | 80/80 |
| 46.17.104.0/24 | 256 | 80/80 |
| 91.217.81.0/24 | 256 | 80/80 |
| 104.128.132.0/24 | 256 | 80/80 |
| 104.128.136.0/24 | 256 | 80/80 |
| 104.128.137.0/24 | 256 | 80/80 |
| 104.128.140.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.