Cambridge Cybercrime Centre Internet scanner
This scanner is run by the Cambridge Cybercrime Centre. We are performing Internet-wide scans from 128.232.21.75 to investigate what services are running on ports 17, 19, 22, 23, 80, 102, 111, 123, 389, 502, 1434, 1900, 1911, 4911, 20000, 44818, and 47808.
We are using the exclusion list maintained by DNS-OARC. You may also email us directly to request not to be scanned.