This is what bandwidth costs in the real world.
ADSL 1.5 to 8.2 Mbps downstream. 64-1 Mbps upstream. Consumer type starts about $40-$80/month. Business type starts at $120/month.
SDSL 1.544/2.048 Mbps upstream and downstream. Starts at about $100-$300/month for the full 1.5 Mbps SDSL service
Frame Relay 56 Kbps-1.544 Mbps Starts at about $500/month depending on bandwidth required.
Fractional
T-1 128 Kbps to 1.544 Mbps Starts at about $300/month. Depends on bandwidth required.
T-1 1.544 Mbps About $500-1,000/month, + about $300/month local loop, + set up costs.
E-1 (Europe) 2.048 Mbps Starts at about $2,000/month and up.
Fractional
T-3 3 Mbps to 44.736 Mbps Starts at about $3,000 - $5,000/month for 3 Mbps.
T-3
(or DS3) 44.736 Mbps Up to $10,000 to $20,000/month + about $4,000/month local loop + set up costs.
E-3
(Europe) 34.368 Mbps Up to $20,000/month for full capacity, plus several thousands of dollars for set up costs.
OC-3 155.52 Mbps Up to $30,000 - $50,000/month + approx. $10,000/month local loop + several thousand dollars set up costs.
OC-12 622.08 Mbps Starts at about several hundred thousands/month plus several thousands of dollars in set up costs.
OC-48 2.488 Gbps Starts at about several hundred thousands of dollars/month plus several thousands of dollars in set up costs.
Most MMOGs(all the servers for the game) run off of a couple OC-3s