All-in-one IPv4 / IPv6 Address Lookup

AS4538（China Education and Research Network Center） (中国教育网) manages the 202.112.0.0/19 prefix block (approximately 8192 addresses) in the Education Network category. CERNET (China Education and Research Network), the backbone covering national higher education institutions. The IP 202.112.0.35 resides in China Beijing (timezone Asia/Shanghai); its position within this block determines routing behavior and connectivity characteristics.

The reverse DNS record resolves to dns.edu.cn, which may reflect a different service layer or hosting configuration. The mismatch between PTR and provider name may cause elevated scrutiny from mail servers and WAFs during reverse verification.

Based on local classification and Spamhaus real-time reputation, no blacklist entries detected, no security risk flags detected. The Education network category indicates this IP is part of normal Education Network infrastructure and carries low inherent risk. Education-network traffic typically carries low risk; standard rate limiting is sufficient.

Recommendation: 202.112.0.35 belongs to an education network — risk is generally low, but academic IPs can be source of bulk research crawling or automated data collection. Apply standard rate limiting and allow normal browsing activity.

Education-network IPs are typically campus infrastructure — high bandwidth, stable location, and used by faculty/students. Unusual request patterns from such IPs may indicate compromised lab machines or unauthorized proxy use rather than deliberate abuse.