README.md

netsniff package

• netsniff-ng, a fast zero-copy analyzer, pcap capturing and replaying tool
• trafgen, a multithreaded low-level zero-copy network packet generator
• mausezahn, high-level packet generator for HW/SW appliances with Cisco-CLI*
• bpfc, a Berkeley Packet Filter compiler, Linux BPF JIT disassembler
• ifpps, a top-like kernel networking statistics tool
• flowtop, a top-like netfilter connection tracking tool
• curvetun, a lightweight curve25519-based IP tunnel
• astraceroute, an autonomous system (AS) trace route utility

Source: Netsniff website

I'm getting GeoIP errors

• install geoip-database-extra package in Arch. Similar packages are available for most distributions.