he.net's Network Tools by Hurricane Electric.
This suite of networks tools implements most of the network diagnostics that you need as a Network Engineer or System Administrator. This is our first version, please help us improve it by giving us feedback.
+ Interface Information: Get information regarding your devices current network state.
+ ARP / NDP: Lookup local devices found on your network using either ARP (IPv4) or NDP (IPv6).
+ Bonjour Browser: Browser mDNS/ZeroConf services on your Network.
+ DNS lookup: Search for a servers DNS zone records such as SOA, NS, A, AAAA, MX, TXT, and rDNS.
+ IP Calculator: Calculate the Netmask, Wildcard, Network, Host range, and Broadcast for a given subnet.
+ Iperf (v2 and v3): Run TCP and UDP performance tests.
+ MAC Browser: Lookup the vendor name and address of an OUI.
+ Ping: Send ICMP packets to a single IPv6/v4 address.
+ Ping Sweep: Send ICMP packets to an entire subnet range.
+ Traceroute: Find the route packets take to reach your IPv6/v4 destination.
+ Progressive Traceroute: Get detailed statistics for a given IPv6/v4 route.
+ Port Scan: Scan a list of custom or pre-defined TCP ports on any IPv6/v4 server.
+ SSL/TLS Analyzer: Inspect SSL/TLS certificates of domain names.
+ Whois: Get information regarding domain registration, ASN, IP allocations and more.
+ NO ADS!
he.net's Network Tools are also available on IOS
The feature graphic is a derivative of "West Texas Lightning Storm" [https://www.flickr.com/photos/jeffk/24820923] by jeffk, used under CC BY 2.0 [https://creativecommons.org/licenses/by/2.0/legalcode].