Internet Address Survey Datasets

An IPv4 address survey scans about 2% of the active IPv4’s /24s every 11 minutes for two weeks.

An IPv4 address census scans every public, unicast IPv4 address once.

Formats of our address survey/census data:

• current 24-byte-record binary format
• old bitstring format (obsolete)

Getting this data

For the detailed formats of each dataset, please refer to the corresponding README file at our datasets.