Prefixes
8 · 3
IPv4 · IPv6
Network
AS133111
CERNET New Technology Co., Ltd
CERNET New Technology announces 8 IPv4 prefixes (25.9K addresses) and 3 IPv6 prefixes from China. 82% of them are covered by valid RPKI records.
Address space
25.9K
IPv4 addresses · 134.7M IPv6 /48s
RPKI
82% valid0 invalid · 2 without a record
Peering
—
Not in PeeringDB
Details
Network
- Name
- CERNET New Technology Co., Ltd
- Country
- China
- Registry
- APNIC
- Registered
- May 23, 20197 years ago
- Abuse contact
- yujj@cernet.com
Connectivity
Cloudflare Radar- UpstreamsNetworks this one buys transit from.
- CERNET-CNChina Next Generation Internet CERNET2
- PeersNetworks it exchanges traffic with directly, without paying either way.
- 3
- CustomersNetworks that buy transit from it.
- 6
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.
- 9 of 11 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
IPv4
8- 42.245.192.0/18No ROA
- 42.201.32.0/19RPKI valid
- 103.81.200.0/22RPKI valid
- 42.201.60.0/23RPKI valid
- 42.201.62.0/23RPKI valid
- 42.201.33.0/24RPKI valid
- 42.245.221.0/24No ROA
- 43.252.48.0/24RPKI valid
IPv6
3- 240d:4000::/21RPKI valid
- 2400:a980::/29RPKI valid
- 2403:a200:9999::/48RPKI valid