Google-Networks

CidrHostsNetrange
209.85.128.0/1732766209.85.128.1 – 209.85.255.254
72.14.192.0/181638272.14.192.1 – 72.14.255.254
216.239.32.0/198190216.239.32.1 – 216.239.63.254
64.233.160.0/19819064.233.160.1 – 64.233.191.254
66.249.64.0/19819066.249.64.1 – 66.249.95.254
66.102.0.0/20409466.102.0.1 – 66.102.15.254
64.68.80.0/21204664.68.80.1 – 64.68.87.254
72.14.224.0/21204672.14.224.1 – 72.14.231.254
8.6.48.0/2120468.6.48.1 – 8.6.55.254
59.151.20.0/2351059.151.20.0 – 59.151.21.255
206.186.136.192/2662206.186.136.193 – 206.186.136.254
63.84.190.224/273063.84.190.225 – 63.84.190.254
65.214.112.96/273065.214.112.97 – 65.214.112.126
166.90.148.64/2814166.90.148.65 – 166.90.148.78
209.247.159.144/2814209.247.159.145 – 209.247.159.158
212.179.82.48/2814212.179.82.49 – 212.179.82.62
217.33.127.208/2814217.33.127.208 – 217.33.127.223
64.128.207.160/281464.128.207.161 – 64.128.207.174
64.154.178.208/281464.154.178.209 – 64.154.178.222
65.196.235.32/281465.196.235.33 – 65.196.235.46
65.210.56.208/281465.210.56.209 – 65.210.56.222
65.211.194.96/281465.211.194.97 – 65.211.194.110
65.214.255.96/281465.214.255.97 – 65.214.255.110
65.221.133.176/281465.221.133.177 – 65.221.133.190
65.223.8.48/281465.223.8.49 – 65.223.8.62
66.192.134.32/281466.192.134.33 – 66.192.134.46
209.245.184.136/296209.245.184.137 – 209.245.184.142
209.249.73.64/296209.249.73.65 – 209.249.73.70
210.172.112.128/296210.172.112.128 – 210.172.112.135
212.21.196.24/296212.21.196.25 – 212.21.196.30
212.49.166.40/296212.49.166.41 – 212.49.166.46
212.99.9.224/296212.99.9.225 – 212.99.9.230
63.211.200.72/29663.211.200.73 – 63.211.200.78
64.124.112.24/29664.124.112.25 – 64.124.112.30
64.124.229.168/29664.124.229.169 – 64.124.229.174
65.202.99.152/29665.202.99.153 – 65.202.99.158
65.245.24.8/29665.245.24.9 – 65.245.24.14
67.126.100.8/29667.126.100.9 – 67.126.100.14
67.69.26.16/29667.69.26.17 – 67.69.26.22
69.111.141.152/29669.111.141.153 – 69.111.141.158
69.111.141.160/29669.111.141.161 – 69.111.141.166
69.224.21.208/29669.224.21.209 – 69.224.21.214
69.224.31.104/29669.224.31.105 – 69.224.31.110
69.224.31.88/29669.224.31.89 – 69.224.31.94
69.228.70.216/29669.228.70.217 – 69.228.70.222
69.228.70.224/29669.228.70.225 – 69.228.70.230
69.228.70.232/29669.228.70.233 – 69.228.70.238
69.228.70.248/29669.228.70.249 – 69.228.70.254
69.228.76.104/29669.228.76.105 – 69.228.76.110
69.236.33.64/29669.236.33.65 – 69.236.33.70
69.237.120.224/29669.237.120.225 – 69.237.120.230
71.130.103.16/29671.130.103.17 – 71.130.103.22
71.130.103.24/29671.130.103.25 – 71.130.103.30
71.130.103.32/29671.130.103.33 – 71.130.103.38
71.130.103.40/29671.130.103.41 – 71.130.103.46
71.130.103.8/29671.130.103.9 – 71.130.103.14
71.130.34.224/29671.130.34.225 – 71.130.34.230
71.130.34.232/29671.130.34.233 – 71.130.34.238
71.130.34.240/29671.130.34.241 – 71.130.34.246
75.17.48.200/29675.17.48.201 – 75.17.48.206
75.23.57.184/29675.23.57.185 – 75.23.57.190
75.37.253.184/29675.37.253.185 – 75.37.253.190

Surely this will not be all of it but it should work well as a first pointer. Those networks with few IPs seem to be (DSL) connected offices.

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