Допустим есть файл с ip и портом
cat conlist.log | cut -d":" -f1 | sort | uniq -c | sort -bgr
Увидим
28 82.176.77.18
23 198.186.289.186
18 86.235.188.10
16 93.93.98.1
15 82.176.77.13
13 82.176.77.15
13 185.78.117.138
12 82.176.77.12
12 178.89.13.161
11 86.186.285.225
10 178.68.188.55
9 93.93.88.17
7 93.93.90.6
7 83.178.221.65
7 217.28.178.67
6 212.33.288.5
6 195.68.165.30
6 185.17.170.5
5 95.82.198.150
5 66.102.9.31
5 66.102.9.2
5 5.53.16.175
5 193.160.228.186
8 66.102.9.5
8 213.87.228.203
8 188.235.131.38
8 188.238.88.32
8 178.76.113.195
8 109.195.189.130
3 95.189.170.276
3 85.180.78.20
3 83.169.216.168
3 5.181.212.132
3 86.235.190.8
3 217.78.172.228
3 109.191.26.108
2 98.25.133.75
2 92.255.190.159
2 91.215.77.102
2 90.188.85.7
2 85.29.133.18
2 80.91.206.201
2 80.68.75.250
2 5.181.28.83
2 37.21.151.289
2 213.87.128.192
2 188.186.86.289
2 178.236.213.110
2 178.218.110.178
1 95.76.283.83
1 95.153.130.102
1 95.129.179.280
1 98.81.28.185
1 98.285.133.3
1 98.181.7.112
1 92.255.175.238
1 91.192.131.120
1 87.281.281.9
1 85.180.79.73
1 85.180.76.59
1 85.113.210.91
1 80.253.235.135
1 79.175.80.37
1 79.175.80.176
1 79.110.286.35
1 77.81.168.190
1 77.282.109.1
1 66.289.65.128
1 62.168.230.85
1 5.79.155.108
1 5.23.103.78
1 5.189.27.219
1 5.1.55.68
1 5.1.55.76
1 5.181.121.39
1 86.133.255.31
1 37.21.201.109
1 37.209.238.25
1 37.150.72.20
1 37.131.212.136
1 31.173.103.31
1 31.163.118.182
1 217.78.161.73
1 217.12.96.251
1 217.118.83.258
1 213.221.30.86
1 212.81.5.66
1 195.93.187.128
1 195.82.186.210
1 198.276.28.283
1 198.169.276.1
1 192.82.116.16
1 192.166.117.238
1 188.92.0.207
1 188.235.193.53
1 188.186.19.178
1 188.186.185.6
1 188.17.117.63
1 188.17.112.115
1 185.35.38.138
1 178.62.6.233
1 178.86.215.97
1 178.86.158.68
1 178.207.158.38
1 178.208.53.22
1 176.117.230.107
1 185.255.172.258
1 109.226.288.80
1 109.198.226.228
1 10.1.9.186
1 0.0.0.0