AS204921zhenyun sun
United KingdomRegistryRIPE NCCAt a glance
IPv4 prefixes
2
IPv6 prefixes
12
IPv4 addresses
512
IPv6 /64s
1.8M
Upstream graph
The networks AS204921 is seen behind, one and two hops out, drawn from real AS paths.
AS204921Toward the internet core
Networks observed one and two hops upstream of AS204921 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
85
adjacent networks
- Upstreams
- 2226%
- Peers
- 5969%
- Downstreams
- 45%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS18423RAID Networks Co., Ltd. |  TW | Peer | 708 | 95 |
| AS6939Hurricane Electric LLC |  US | Peer | 587 | 48 |
| AS17408AboveNet Communications Taiwan | TW | Peer | 211 | 62 |
| AS36530IDC Cube | US | Peer | 129 | 128 |
| AS216211CYBERVERSE LLC | US | Peer | 109 | 75 |
| AS44324MoeDove LLC | US | Peer | 88 | 61 |
| AS51087Bling Network Ltd | GB | Peer | 24 | 12 |
| AS140096JINX CO., LIMITED |  HK | Peer | 16 | 16 |
| AS40792CYBERVERSE | US | Peer | 15 | 6 |
| AS11421HYW GLOBAL LLC | US | Peer | 14 | 14 |
Prefixes
The largest blocks AS204921 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 142.249.114.0/24 | 256 | 80/80 |
| 142.249.115.0/24 | 256 | 80/80 |
| 2a0e:aa07:e250::/44 | 1M × /64 | 61/62 |
| 2a0e:aa07:e251::/48 | 65.5k × /64 | 62/62 |
| 2a0e:aa07:e252::/48 | 65.5k × /64 | 61/62 |
| 2a0e:aa07:e253::/48 | 65.5k × /64 | 61/62 |
| 2a0e:aa07:e254::/48 | 65.5k × /64 | 61/62 |
| 2a0e:aa07:e256::/48 | 65.5k × /64 | 60/62 |
| 2a0e:aa07:e258::/48 | 65.5k × /64 | 61/62 |
| 2a0e:aa07:e259::/48 | 65.5k × /64 | 61/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.