AS30900Sternforth Ltd. trading as WebWorld
IrelandRegistryRIPE NCCTypeEyeballAt a glance
IPv4 prefixes
30
IPv6 prefixes
2
IPv4 addresses
15.6k
IPv6 /64s
4.3B
Upstream graph
The networks AS30900 is seen behind, one and two hops out, drawn from real AS paths.
AS30900Toward the internet core
Networks observed one and two hops upstream of AS30900 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
21
adjacent networks
- Upstreams
- 733%
- Peers
- 1467%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS56911Warian S.R.L. |  IT | Peer | 1,121 | 79 |
| AS6830Liberty Global Europe Holding B.V. |  EU | Peer | 1,060 | 80 |
| AS6939Hurricane Electric LLC |  US | Peer | 250 | 58 |
| AS39122Blacknight Internet Solutions Limited | IE | Peer | 30 | 2 |
| AS13237euNetworks GmbH |  DE | Peer | 28 | 1 |
| AS3303Swisscom (Schweiz) AG |  CH | Peer | 28 | 1 |
| AS9002RETN Limited |  GB | Peer | 4 | 2 |
Prefixes
All 32The largest blocks AS30900 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 217.115.112.0/20 | 4.1k | 80/80 |
| 83.138.8.0/21 | 2k | 80/80 |
| 185.108.128.0/22 | 1k | 80/80 |
| 185.152.4.0/22 | 1k | 80/80 |
| 185.176.128.0/22 | 1k | 80/80 |
| 77.47.213.0/24 | 256 | 80/80 |
| 82.21.218.0/24 | 256 | 80/80 |
| 82.21.248.0/24 | 256 | 80/80 |
| 82.22.214.0/24 | 256 | 80/80 |
| 82.22.223.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.