bgpto.me
IP PREFIX

121.193.221.0/24

Originated by AS4538 · ERX-CERNET-BKB - China Education and Research Network Center

AnnouncedCNAPNIC
www.edu.cn/
Website preview from public registry data for AS4538
Registry websiteOpen site ↗

Reverse DNS

Observed names and delegation for this address block.

Reverse DNS sampling is available for individual IP addresses.