Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
AS38345 is Internet Domain Name System Beijing Engineering Resrarch Center Ltd.. It announces 6,144 IPv4 addresses in 24 prefixes, and 14 IPv6 prefixes.
China· APNIC· allocated 2007-01-25· 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.
- China6,144 · 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.
- 0.05%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Anycast IP76812.50%
- 0.02%
- None here
- 0.44%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 1.8.1.0/24 | China | not found | 17 | 2026-10-02 |
| 1.8.8.0/24 | China | not found | 17 | 2026-10-02 |
| 150.242.156.0/24 | China | valid | 17 | 2026-10-02 |
| 150.242.157.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.8.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.9.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.10.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.11.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.14.0/24 | China | valid | 17 | 2026-10-02 |
| 202.173.15.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.20.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.21.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.22.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.23.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.24.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.25.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.26.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.27.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.28.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.29.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.30.0/24 | China | valid | 17 | 2026-10-02 |
| 203.99.31.0/24 | China | valid | 17 | 2026-10-02 |
| 203.119.80.0/24 | China | valid | 17 | 2026-10-02 |
| 203.119.83.0/24 | China | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2401:8d00::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:1::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:3::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:4::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:5::/48 | China | not found | 18 | 2026-10-02 |
| 2401:8d00:7::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:8::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:9::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:b::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:c::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:f::/48 | China | valid | 20 | 2026-10-02 |
| 2401:8d00:12::/48 | China | valid | 2 | 2026-10-02 |
| 2620:57:4004::/48 | Canada | invalid:origin | 1 | 2026-10-02 |
| 2620:57:4005::/48 | Canada | invalid:origin | 1 | 2026-10-02 |
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