IPNetMonitor is an exceptionally well-written program that currently provides 12 useful, integrated network analysis tools: Test Connectivity (Ping), Traceroute, Name Server Lookup, Whois, Finger, Monitor, TCP Info, Connection List, Address Scan, Subnet Calculator, DHCP Lease, and DHCP Test. Its unique features include asynchronous DNS lookups that make traceroute faster and more consistent, the OT-native Monitor tool, and support for the GURL Apple Event.
Although there's no information regarding what's new in version 2.5.3 (the latest release for Power Macs running OS 9.2 and earlier), version 2.5.2 addressed the following:
The Mac OS X version ("IPNetMonitorX") has been re-written from the ground up in Cocoa using native BSD networking.
Version 2.5 of IPNetMonitorX makes the following changes from version 2.4:
"Lots of easy to use IP test and monitoring features (Ping, TraceRoute, Address Scan, DNS lookup) wrapped in an elegant interface. There's even a scrolling IP traffic monitor window that's Open Transport compatible. You can open multiple windows for most tools and easily keep an eye on several areas of your network at once. This masterpiece has been continually enhanced over the last year and is well worth the $20 shareware fee."
"A first-rate program. As a relative novice struggling with dead and slow connections on the Internet, this has given me a real and rapid education about why and where so I can choose another route instead of just sit waiting and wondering. I like the idea of a date given in the info along with the version number. I was cautious about using this at first because of an "ancient" release note suggesting FreePPP incompatibility. The author calmed my fears (Yes, he was reachable!!! Something uncommon these days of "Internet do-it-yourself help"). The only problem was in installing the program when I chose only the Open Transport option . . . this option needs to be chosen in addition to the program! Chose both and it works like a charm! I'm using System 8 on a PowerMac 6500 with FreePPP and Open Transport 1.2. A must-have. My shareware fee is going in today!"
"I've always wanted to know the IP addy of Windoze ICQ users and now I can! Even if they think that they're IP is HIDDEN!!! Totally awesome and a MUST HAVE!!!"
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Version 2.6c1 (May 28, 2010) is now available for Mac OS X (Cocoa / Universal), adding/changing the following:
More information is available in the release notes.
Can't find what you're looking for? Try a search:
Also, if you have an older Mac, be sure to check out the "Classic" applications page for more options.
Finally, take a look at ALEMIA if you think you know that name of an application, but aren't quite sure.
For an interesting and objective third-party view of Apple's networking technology - from MacTCP through Open Transport and beywond - Peter Sichel's Sustainable Softworks page is unparalleled.
These are applications that are newer and of potential interest, but which I haven't yet selected for permanent inclusion. Have a look, and let me know if you think they deserve to be part of the permanent collection!