AS204921 zhenyun sun 🇬🇧 GB
Announcing 26 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
2,816 (11 × /24)
IPv6 prefixes
20
35 × /48
Upstreams
16
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS204921
- Name
- zhenyun sun
- Organisation
- ZHENYUN VNET RESEARCH NETZ
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2025-10-10
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- RADB::AS-YUNZHENG
- Website
- https://as204921.net
- Looking glass
- https://lg.yunzheng.space/
- PeeringDB
- net/40543
- Exchanges
- 10
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstream graph
How this network reaches the rest of the internet, two hops out
Drawing the graph…
Only transit edges carried on more than fifty observed paths are drawn, so a large network's full neighbour list is deliberately not shown here.