The Wolfram Language has curated and continuously updated data both on the internet and on features of computer systems. It is also able to retrieve or deduce information about local and remote computer systems being used in computations.

() — request data using free-form linguistics

EntityValue — general access to values of properties for all types of entities

Entity   ▪ EntityClass   ▪ EntityList   ▪ RandomEntity   ▪ EntityFunction   ▪ ...

Internet & Domain Data

IPAddress — numerical IP address, with hosting information

InternetDomain — registered internet domain (e.g. wolfram.com)

TopLevelDomain — internet TLD (e.g. .com)

HostLookup — look up an IP address or host name (DNS and reverse DNS)

Metadata Discovery »

$MachineDomains   ▪ $MachineAddresses

FindGeoLocation — geoIP lookup for an IP address

$UserAgentString   ▪ $GeoLocation   ▪ $TimeZone   ▪ ...

Network-Related Data

NetworkService — network service or port (e.g. HTTP)

PingTime — measure the ping time for a network host

Packet Capture and Local Networking »

NetworkPacketCapture — capture information on all network packets

NetworkPacketTrace — record packets during the evaluation of an expression

Computer Systems Data

DisplayFormat — display formats and screen characteristics (e.g. VGA)

ProgrammingLanguage NotableComputer

Classify — infer the programming language of source code

Computer System Discovery »

SystemInformation   ▪ $ProcessorType   ▪ $OperatingSystem   ▪ RepeatedTiming   ▪ ...

Data Formats

FileFormat — standard file formats (e.g. JPEG)

FileFormat , StringFormat — infer the format of a file or string

Import   ▪ Export   ▪ FileConvert   ▪ ...

Character — Unicode characters with properties

Wireless Communications

FrequencyAllocation — named frequency bands (e.g. X band)

Satellite — artificial satellites in Earth orbit, with real-time positions