AS4538 China Education and Research Network Center 🇨🇳 CN
Announcing 5,168 prefixes, seen at the RIS collectors.
IPv4 prefixes
5,158
42,948,864 (167,769 × /24)
IPv6 prefixes
10
265 × /48
Upstreams
14
transit providers observed
Peers
9
settlement-free adjacencies
Downstreams
16
transit customers observed
Customer cone
87
ASes reachable through it
Registry and operator data
- AS number
- AS4538
- Name
- China Education and Research Network Center
- Organisation
- CERNET-CN
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2002-08-01
- Network type
- Educational/Research
- Scope
- Not Disclosed
- Peering policy
- Open
- Website
- http://www.edu.cn
- PeeringDB
- net/13851
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
10 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:da8:257::/48 v6 | RPKI valid | 35 | 2448223911239104538 | 2026-09-18 |
| 2001:da8:ff00::/40 v6 | RPKI valid | 1 | 20409234019291693528089661580241344538 | 2026-09-18 |
| 2001:daa:1::/48 v6 | no ROA | 30 | 3454912994538 | 2026-09-18 |
| 2001:daa:2::/48 v6 | no ROA | 32 | 34549584534538 | 2026-09-18 |
| 2001:daa:3::/48 v6 | no ROA | 31 | 3800129144538 | 2026-09-18 |
| 2001:daa:4::/48 v6 | no ROA | 31 | 3800134914538 | 2026-09-18 |
| 2001:daa:5::/48 v6 | no ROA | 33 | 3454964534538 | 2026-09-18 |
| 2001:daa:6::/48 v6 | no ROA | 32 | 345491744538 | 2026-09-18 |
| 2001:daa:9::/48 v6 | no ROA | 35 | 69394538 | 2026-09-18 |
| 2400:a980:ee::/48 v6 | RPKI invalid | 1 | 3822923855244902448923911239104538 | 2026-09-18 |