Prefixes
0 · 6
IPv4 · IPv6
Network
AS23910
China Next Generation Internet CERNET2
China Next Generation Internet CERNET2 announces 0 IPv4 prefixes (0 addresses) and 6 IPv6 prefixes from China. 33% of them are covered by valid RPKI records.
Address space
0
IPv4 addresses · 268.6M IPv6 /48s
RPKI
33% valid0 invalid · 4 without a record
Peering
Open
0 exchanges · 0 facilities
Details
Network
- Name
- China Next Generation Internet CERNET2
- Holder
- CERNET Helpdesk
- Country
- China
- Registry
- APNIC
- Registered
- Sep 4, 200818 years ago
- Abuse contact
- abuse@cernet.edu.cn
Connectivity
Cloudflare Radar- UpstreamsNetworks this one buys transit from.
- CNGI-6IX
- PeersNetworks it exchanges traffic with directly, without paying either way.
- 26
- CustomersNetworks that buy transit from it.
- 20
Routing security
- ASPAAn RPKI record listing the only networks allowed to be its upstream providers, so routers can reject leaked or forged paths.
- Not published
- RPKI coverageShare of its announcements that a signed record (ROA) authorizes.
- 2 of 6 valid
- IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
- None in 30 days
Largest prefixes
IPv6
6- 240c:c000::/20No ROA
- 2001:250::/32No ROA
- 2001:251::/32No ROA
- 2001:da8::/32No ROA
- 240c:c0a9:1000::/40RPKI valid
- 2001:da8:20d::/48RPKI valid