CERNET New Technology Co., Ltd
AS133111 is CERNET New Technology Co., Ltd (cernet.com). It announces 25,856 IPv4 addresses in 8 prefixes, and 3 IPv6 prefixes.
China· APNIC· allocated 2013-10-08· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- China25,856 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CNT-northChina
- name
- CERNET New Technology Co., Ltd
- org
- ORG-CNTC5-AP
- org name
- CERNET New Technology Co., Ltd
- org address
- CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
- org country
- CN
- country
- CN
- source
- apnic
- updated
- 2023-09-05
- descr
- CERNET New Technology Co., Ltd / CERNET Tower, Tsinghua Science Park Building 8
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AC1576-AP
- abuse name
- ABUSE CNTCLCN
- abuse email
- yujj@cernet.com
- abuse kind
- role
- admin
- CNTC1-AP
- admin name
- CERNET New Technology Co Ltd administrator
- admin email
- ningxy@cernet.com
- admin phone
- +86-010-62603421
- admin kind
- role
- admin country
- CN
- tech
- CNTC1-AP
- tech name
- CERNET New Technology Co Ltd administrator
- tech email
- ningxy@cernet.com
- tech phone
- +86-010-62603421
- tech kind
- role
- tech country
- CN
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 42.201.32.0/19 | China | valid | 2 | 2026-10-02 |
| 42.201.33.0/24 | China | valid | 17 | 2026-10-02 |
| 42.201.60.0/23 | China | valid | 17 | 2026-10-02 |
| 42.201.62.0/23 | China | valid | 2 | 2026-10-02 |
| 42.245.192.0/18 | China | not found | 2 | 2026-10-02 |
| 42.245.221.0/24 | China | not found | 17 | 2026-10-02 |
| 43.252.48.0/24 | China | valid | 2 | 2026-10-02 |
| 103.81.200.0/22 | China | valid | 2 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.