Spyglass (version 6.58.9) is a powerful network diagnostic software that provides a broad range of functionalities for network administrators. Its major features include advanced tools for mapping, monitoring, and managing IP networks, which facilitate an in-depth understanding of the network's performance, topology, and issues. Spyglass supports multiple network protocols and provides historical and real-time reporting. Additionally, it offers comprehensive data analysis and visualization tools, making network troubleshooting and management more efficient.