[linux] Fastest way to ping a network range and return responsive hosts?

BSD's

for i in $(seq 1 254); do (ping -c1 -W5 192.168.1.$i >/dev/null && echo "192.168.1.$i" &) ;done

Examples related to linux

grep's at sign caught as whitespace How to prevent Google Colab from disconnecting? "E: Unable to locate package python-pip" on Ubuntu 18.04 How to upgrade Python version to 3.7? Install Qt on Ubuntu Get first line of a shell command's output Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running? Run bash command on jenkins pipeline How to uninstall an older PHP version from centOS7 How to update-alternatives to Python 3 without breaking apt?

Examples related to performance

Why is 2 * (i * i) faster than 2 * i * i in Java? What is the difference between spark.sql.shuffle.partitions and spark.default.parallelism? How to check if a key exists in Json Object and get its value Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly? Most efficient way to map function over numpy array The most efficient way to remove first N elements in a list? Fastest way to get the first n elements of a List into an Array Why is "1000000000000000 in range(1000000000000001)" so fast in Python 3? pandas loc vs. iloc vs. at vs. iat? Android Recyclerview vs ListView with Viewholder

Examples related to bash

Comparing a variable with a string python not working when redirecting from bash script Zipping a file in bash fails How do I prevent Conda from activating the base environment by default? Get first line of a shell command's output Fixing a systemd service 203/EXEC failure (no such file or directory) /bin/sh: apt-get: not found VSCode Change Default Terminal Run bash command on jenkins pipeline How to check if the docker engine and a docker container are running? How to switch Python versions in Terminal?

Examples related to networking

Access HTTP response as string in Go Communication between multiple docker-compose projects Can't access 127.0.0.1 How do I delete virtual interface in Linux? ConnectivityManager getNetworkInfo(int) deprecated Bridged networking not working in Virtualbox under Windows 10 Difference between PACKETS and FRAMES How to communicate between Docker containers via "hostname" java.net.ConnectException: failed to connect to /192.168.253.3 (port 2468): connect failed: ECONNREFUSED (Connection refused) wget: unable to resolve host address `http'

Examples related to ping

Docker - Ubuntu - bash: ping: command not found How to ping a server only once from within a batch file? Ping with timestamp on Windows CLI ping response "Request timed out." vs "Destination Host unreachable" Can't ping a local VM from the host Checking host availability by using ping in bash scripts Fastest way to ping a network range and return responsive hosts? Why can I ping a server but not connect via SSH? How to ping multiple servers and return IP address and Hostnames using batch script? Multiple ping script in Python