I have been getting tons of comment spam. And even though all the spam is nearly identical, it's coming from 100's of machines. Specifically,

61.200.98.235 61.63.9.10 62.183.198.60 62.216.10.173 62.39.107.121 62.67.235.111 64.254.227.107 65.123.150.16 66.13.117.246 66.99.244.130 66.99.56.162 66.99.57.2 69.14.191.28 69.15.56.187 80.156.38.24 80.183.167.122 80.240.104.85 80.254.179.187 130.233.26.200 132.180.52.94 133.52.71.241 140.203.5.9 141.209.36.31 148.244.150.58 149.163.50.22 152.33.9.20 152.98.206.87 160.252.73.2 165.173.60.25 168.215.242.113 193.51.34.20 194.106.154.19 194.47.95.115 195.184.37.21 195.193.5.101 195.37.74.133 202.226.100.190 202.234.131.166 202.32.15.103 202.94.229.4 203.113.29.3 203.115.162.227 203.152.43.65 203.220.255.162 203.69.226.60 205.179.217.195 205.213.112.69 207.248.240.119 207.67.226.195 209.114.176.69 209.8.22.242 210.143.118.141 211.110.18.132 211.110.18.134 211.133.243.188 212.100.251.233 212.18.0.55 212.26.37.250 213.134.171.116 213.139.152.114 213.144.148.130 213.188.106.66 213.244.3.35 213.94.196.73 217.128.103.8 217.160.94.46 218.214.129.242 219.120.21.162 220.99.118.172

ARGH!