Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
AS24149 is Internet Domain Name System Beijing Engineering Resrarch Center Ltd. (knet.cn). It announces 1,024 IPv4 addresses in 4 prefixes, and 4 IPv6 prefixes.
China· APNIC· allocated 2004-08-23· 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.
- China1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ZDNS
- name
- Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
- country
- CN
- source
- apnic
- updated
- 2023-11-28
- descr
- Internet Domain Name System Beijing Engineering Resrarch Center Ltd. / 4,South 4th treet, Zhongguancun,Haidian District,Beijing
- maintainer
- MAINT-CNNIC-AP
- maintainer email
- ipas@cnnic.cn
- abuse
- AC1601-AP
- abuse name
- ABUSE CNNICCN
- abuse email
- ipas@cnnic.cn
- abuse kind
- role
- admin
- XZ4638-AP
- tech
- WL1818-AP
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Anycast IP25625.00%
- None here
- None here
- 0.20%
- 0.20%
- 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 |
|---|---|---|---|---|
| 150.242.158.0/24 | China | Valid | 17 | 2026-10-02 |
| 150.242.159.0/24 | China | Valid | 17 | 2026-10-02 |
| 203.119.81.0/24 | China | Valid | 17 | 2026-10-02 |
| 203.119.82.0/24 | China | Valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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