AbuseIPDB » AS4538

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

This autonomous system has 921 IP ranges.

ASN AS4538
Name ERX-CERNET-BKB China Education and Research Network Center
Country 🇨🇳 CN
# IP Blocks 921
# IPv4 Blocks 918
# IPv6 Blocks 3

IP Ranges for AS: 4538

Range # IPs Owner Last Reported
121.52.160.0 - 121.52.191.255 8,192 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.192.0.0 - 121.192.134.255 34,560 ERX-CERNET-BKB China Education and Research Network Center 4 weeks ago
121.192.135.0 - 121.193.99.255 56,576 ERX-CERNET-BKB China Education and Research Network Center 1 hour ago
121.193.100.0 - 121.193.217.255 30,208 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.193.218.0 - 121.194.4.255 11,008 ERX-CERNET-BKB China Education and Research Network Center 7 months ago
121.194.5.0 - 121.194.10.255 1,536 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.194.11.0 - 121.194.159.255 38,144 ERX-CERNET-BKB China Education and Research Network Center 1 month ago
121.194.160.0 - 121.194.167.255 2,048 ERX-CERNET-BKB China Education and Research Network Center Never
121.194.168.0 - 121.194.255.255 22,528 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.195.0.0 - 121.195.114.255 29,440 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.195.115.0 - 121.195.183.255 17,664 ERX-CERNET-BKB China Education and Research Network Center 6 hours ago
121.195.184.0 - 121.195.186.255 768 ERX-CERNET-BKB China Education and Research Network Center 1 year ago
121.195.187.0 - 121.195.189.255 768 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.195.190.0 - 121.195.255.255 16,896 ERX-CERNET-BKB China Education and Research Network Center 3 months ago
121.248.40.0 - 121.248.47.255 2,048 ERX-CERNET-BKB China Education and Research Network Center 2 weeks ago

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