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Visits to certain IP addresses

Disclosure date: 16 May 2012

Reference: FOI2012/026

Request

The following information for the period from 00:00 on 23/04/2012 to 00:00 on 30/04/2012:

a. whether any internet content filtering systems were in use on your IT network and their nature,

b. to what extent HTTP requests from clients on the network were logged,

c. whether this network includes connections in student and/or staff accommodation,

d. the number of individual, unique users who accessed the internet through your IT network,

e. the number of individual, unique users who accessed each of the IP addresses below (hereafter 
referred to as ‘the IP addresses’) during the given period,

88.208.24.45
88.208.24.47
88.208.24.53
88.208.24.43
88.208.24.44
146.82.204.35
146.82.204.113
31.192.116.24
8.26.222.126
199.93.54.126
141.0.172.208
141.0.172.209
141.0.172.210
141.0.172.197
141.0.172.198
141.0.172.199
141.0.172.200
141.0.172.201
141.0.172.202
141.0.172.203
141.0.172.204
141.0.172.205
69.55.51.210
69.55.51.14
209.222.138.10
69.55.62.122
83.149.71.115
64.69.94.193
66.254.109.120
4.26.235.126
108.61.37.254
208.99.72.37
f.          the total number of requests made to the each of the IP addresses, 
88.208.24.45
88.208.24.47
88.208.24.53
88.208.24.43
88.208.24.44
146.82.204.35
146.82.204.113
31.192.116.24
8.26.222.126
199.93.54.126
141.0.172.208
141.0.172.209
141.0.172.210
141.0.172.197
141.0.172.198
141.0.172.199
141.0.172.200
141.0.172.201
141.0.172.202
141.0.172.203
141.0.172.204
141.0.172.205
69.55.51.210
69.55.51.14
209.222.138.10
69.55.62.122
83.149.71.115
64.69.94.193
66.254.109.120
4.26.235.126
108.61.37.254
208.99.72.37
g. the anonymised details of each log entry relating to a request made to the IP addresses, including the date and time of the request.

Response

a. There were no such systems in use.

b. They are logged by web proxies if the client is using the web proxies and by the Institutional Firewall if the client has unproxied internet access.

c. The network does not include connections in student or staff accommodation.

d. Accurate figures are not held by the School, but we estimate that there were approximately 2000 unique connections per day.

e. 

88.208.24.45
3

88.208.24.47
3

88.208.24.53
2

88.208.24.43
1

88.208.24.44
3

146.82.204.35
3

146.82.204.113
2

31.192.116.24
7

8.26.222.126
1

199.93.54.126
4

141.0.172.208
1

141.0.172.209
2

141.0.172.210
1

141.0.172.197
1

141.0.172.198
1

141.0.172.199
1

141.0.172.200
1

141.0.172.201
2

141.0.172.202
1

141.0.172.203
1

141.0.172.204
1

141.0.172.205
1

69.55.51.210
5

69.55.51.14
5

209.222.138.10
1

69.55.62.122
1

83.149.71.115
1

64.69.94.193
1

66.254.109.120
8

4.26.235.126
1

108.61.37.254
3

208.99.72.37
1

f.  

88.208.24.45
254

88.208.24.47
257

88.208.24.53
128

88.208.24.43
445

88.208.24.44
97

146.82.204.35
5

146.82.204.113
13

31.192.116.24
53

8.26.222.126
71

199.93.54.126
367

141.0.172.208
2

141.0.172.209
46

141.0.172.210
4

141.0.172.197
10

141.0.172.198
54

141.0.172.199
15

141.0.172.200
2

141.0.172.201
69

141.0.172.202
16

141.0.172.203
2

141.0.172.204
8

141.0.172.205
9

69.55.51.210
28

69.55.51.14
25

209.222.138.10
516

69.55.62.122
2

83.149.71.115
2

64.69.94.193
2

66.254.109.120
158

4.26.235.126
63

108.61.37.254
176

208.99.72.37
130

g. Please see the attached Excel spreadsheets:

File 1
File 2