Notice: data is being updated, so some fields may be inaccurate.
ASN Owner
ISPChina Education and Research Network (CERNET)
Company
ISPChina Education and Research Network (CERNET)
ASN History
Network
AS Organization
Country
First Seen
Last Seen
121.248.0.0/14
IDCCERNET-CN
CN
2010-01-14 14:22
2026-05-18 04:40
121.249.141.0/24
IDCCERNET-CN
CN
2025-09-18 10:57
2026-05-15 02:00
121.249.128.0/20
IDCCERNET-CN
CN
2012-01-25 15:19
2026-05-15 02:00
121.249.141.0/24
IDCShandong Provincial Department of Education,
CN
2025-09-18 10:57
2026-05-14 18:35
121.249.128.0/20
IDCShandong Provincial Department of Education,
CN
2025-09-18 17:01
2026-05-14 18:35
Company History
Network
First Seen
Last Seen
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Registration History
Registry
Country
First Seen
Last Seen
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