AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,171 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,519
59,289,600 (231,600 × /24)
IPv6 prefixes
652
401 × /32
Upstreams
13
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
91
transit customers observed
Customer cone
20,391
ASes reachable through it
Registry and operator data
- AS number
- AS4837
- Name
- China Unicom Backbone
- Organisation
- China Unicom
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2001-09-17
- Network type
- NSP
- Traffic levels
- 10-20Tbps
- Scope
- Regional
- Peering policy
- Selective
- IRR as-set
- APNIC::AS4837:AS-CNCGROUP
- Website
- https://www.chinaunicom.cn/
- PeeringDB
- net/730
- Exchanges
- 3
- Facilities
- 10
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
652 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2408:8872::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8878::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8879::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:887e::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8912::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8913::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8914::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8915::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8916::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8917::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:891c::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8920::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8924::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:892c::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8936::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:893a::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8940::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8948::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:894c::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:894e::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8962::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8963::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8964::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8965::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8966::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:896c::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:896e::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:896f::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8972::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8978::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8979::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:897a::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:897b::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:897e::/32 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a21:4000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a21:5000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a22::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a22:1000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a23:4000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a23:5000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a23:6000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a23:7000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a24:4000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a24:5000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a24:6000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a24:7000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a26:c000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a26:d000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a26:e000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a26:f000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a27:4000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |
| 2408:8a27:5000::/36 v6 | RPKI valid | 31 | 3800174734837 | 2026-09-18 |