AbuseIPDB » AS4538

AS 4538: ERX-CERNET-BKB China Education and Research Network Center was found in our database!

This autonomous system has 920 IP ranges.

ASN AS4538
Name ERX-CERNET-BKB China Education and Research Network Center
Country 🇨🇳 CN
# IP Blocks 920
# IPv4 Blocks 917
# IPv6 Blocks 3

IP Ranges for AS: 4538

Range # IPs Owner Last Reported
121.248.60.0 - 121.248.60.255 256 ERX-CERNET-BKB China Education and Research Network Center Never
121.249.52.0 - 121.249.127.255 19,456 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.249.144.0 - 121.249.171.255 7,168 ERX-CERNET-BKB China Education and Research Network Center 8 months ago
121.249.176.0 - 121.249.239.255 16,384 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.249.240.0 - 121.249.255.255 4,096 ERX-CERNET-BKB China Education and Research Network Center 8 months ago
121.250.52.0 - 121.250.55.255 1,024 ERX-CERNET-BKB China Education and Research Network Center Never
121.250.90.0 - 121.250.95.255 1,536 ERX-CERNET-BKB China Education and Research Network Center Never
121.251.30.0 - 121.251.31.255 512 ERX-CERNET-BKB China Education and Research Network Center Never
121.251.38.0 - 121.251.47.255 2,560 ERX-CERNET-BKB China Education and Research Network Center 4 months ago
121.251.53.0 - 121.251.55.255 768 ERX-CERNET-BKB China Education and Research Network Center 8 months ago
121.251.58.0 - 121.251.63.255 1,536 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.251.80.0 - 121.251.87.255 2,048 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.251.96.0 - 121.251.127.255 8,192 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.251.129.0 - 121.251.131.255 768 ERX-CERNET-BKB China Education and Research Network Center Never
121.251.136.0 - 121.251.143.255 2,048 ERX-CERNET-BKB China Education and Research Network Center 8 months ago

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