AS138371
China Education and Research Network (CERNET)
Scanned 2 days ago
🔄 Rescan

📋 Summary

IP address summary information
NameChina Education and Research Network (CERNET)
CountryCN
WebsiteCERNET2 regional IX at Ocean University of China
IPv4 addresses768
IPv6 addresses~2^86
ASN typeTransit
RegistryAPNIC
AllocatedOct 24, 2018
UpdatedSep 03, 2020

🗺️ Geolocation

CN

Countries by IPv4 share

CN
100%

Geolocation based on WHOIS registration data.

📊 IP Ranges

IPv4: 3 | IPv6: 35
NetblockIP Count
2001:250:5821::/48 0
240c:ca23::/32 0
240c:ca02::/32 0
240c:ca0c::/32 0
2001:da8:702a::/48 0
2001:250:587c::/48 0
2001:250:5828::/48 0
2001:250:5833::/48 0
2001:250:5816::/48 0
2001:250:5849::/48 0
121.251.233.0/24 256
2001:da8:cc::/48 0
2001:250:5806::/48 0
2001:da8:7013::/48 0
2001:250:587d::/48 0
2001:250:5875::/48 0
2001:da8:701f::/48 0
2001:250:5845::/48 0
2001:250:5846::/48 0
2001:250:5895::/48 0
240b:e002::/32 0
240c:ca05::/32 0
2001:250:5864::/48 0
2001:250:5862::/48 0
240c:ca07::/32 0
2001:250:5820::/48 0
2001:250:5805::/48 0
2001:250:584a::/48 0
2001:250:582a::/48 0
2001:250:5866::/48 0
121.251.234.0/24 256
2001:250:5831::/48 0
2001:250:5847::/48 0
121.251.232.0/24 256
2001:250:5822::/48 0
240c:ca03::/32 0
2001:250:5823::/48 0
2001:250:5848::/48 0

Prefix data from RIPE Stat / RIR allocation records.

📄 WHOIS

APNIC
HandleAS138371
NameCNGI-QDA-IX-AS-AP
OrganizationChina Education and Research Network (CERNET)
CountryCN
Statusactive
AllocatedOct 24, 2018
UpdatedSep 03, 2020

Contacts

RegistrantChina Education and Research Network (CERNET) <hostmaster@cernic.net>
Abuse ContactIRT-CERNET-AP <abuse@cernet.edu.cn>
Admin ContactCERNET Helpdesk <helpdesk@cernet.edu.cn>
Tech ContactCERNET Helpdesk <helpdesk@cernet.edu.cn>
Phone+86-10-62785933
AddressNetwork Center, FIT-3-220, Tsinghua Univ Beijing 100084, China

Source: APNIC

🔗 Peers

0 peers for this ASN

No peers found.

⬆️ Upstreams

2 upstreams
ASNName
AS23910 China Next Generation Internet CERNET2
AS4538 China Education and Research Network Center

Upstream data from RIPE Stat routing history.

⬇️ Downstreams

2 downstreams
ASNNameCountry
AS132553 China University of Petroleum (East China) CN
AS141005 Shandong Provincial Department of Education, CN

🔒 RPKI / ROA

Source: rpki.zorn.ltd
PrefixOrigin ASNMax LengthValidity
121.251.233.0/24 AS138371 /24 ✓ Valid
121.251.234.0/24 AS138371 /24 ✓ Valid
121.251.232.0/24 AS138371 /24 ✓ Valid

RPKI validation powered by rpki.zorn.ltd (Routinator).

Refresh AS138371 New Lookup Domain Health