AS17621China Unicom Shanghai network
ChinaRegistryAPNICTypeCarrierAt a glance
IPv4 prefixes
382
IPv6 prefixes
422
IPv4 addresses
1.3M
IPv6 /64s
107B
Upstream graph
The networks AS17621 is seen behind, one and two hops out, drawn from real AS paths.
AS17621Toward the internet core
Networks observed one and two hops upstream of AS17621 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
89
adjacent networks
- Upstreams
- 22%
- Peers
- 5056%
- Downstreams
- 3742%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS4837China Unicom Backbone | CN | Peer | 52,563 | 141 |
| AS9929China Unicom Industrial Internet Backbone | CN | Peer | 723 | 140 |
Prefixes
All 804The largest blocks AS17621 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 58.246.0.0/16 | 65.5k | 80/80 |
| 58.247.0.0/16 | 65.5k | 80/80 |
| 112.64.0.0/16 | 65.5k | 80/80 |
| 112.65.0.0/16 | 65.5k | 80/80 |
| 139.226.0.0/16 | 65.5k | 80/80 |
| 139.227.0.0/16 | 65.5k | 80/80 |
| 140.206.0.0/16 | 65.5k | 80/80 |
| 140.207.0.0/16 | 65.5k | 80/80 |
| 223.166.0.0/16 | 65.5k | 80/80 |
| 223.167.0.0/16 | 65.5k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.