China Education and Research Network (CERNET)
AS38255 is China Education and Research Network (CERNET) (cernet.edu.cn). It announces 2,048 IPv4 addresses in 2 prefixes, and 3 IPv6 prefixes.
China· APNIC· allocated 2021-04-21· Education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- China2,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- FITI-AS-AP
- name
- China Education and Research Network (CERNET)
- org
- ORG-CEAR1-AP
- org name
- China Education and Research Network (CERNET)
- org address
- FIT 3-220,, Tsinghua University
- org country
- CN
- country
- CN
- source
- apnic
- updated
- 2021-04-21
- descr
- China Education and Research Network (CERNET) / FIT 3-220, / Tsinghua University
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AC1685-AP
- abuse name
- ABUSE CERNETAP
- abuse email
- abuse@cernet.edu.cn
- abuse phone
- +86-10-62784301
- abuse kind
- role
- admin
- CER-AP
- admin name
- CERNET Helpdesk
- admin email
- helpdesk@cernet.edu.cn
- admin phone
- +86-10-6278-5933
- admin kind
- role
- admin country
- CN
- tech
- CER-AP
- tech name
- CERNET Helpdesk
- tech email
- helpdesk@cernet.edu.cn
- tech phone
- +86-10-6278-5933
- 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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.10%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:255::/32 | China | Valid | 19 | 2026-10-02 |
| 2a0e:aa06:49f::/48 | China | Valid | 19 | 2026-10-02 |
| 2a0e:b107:740::/44 | United Kingdom | Valid | 19 | 2026-10-02 |
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