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Internet Service Providers in Ireland
List of the top 20 organizations with the largest IP allocations in Ireland
Rank
Name
IPv4 addresses
IPv6 /64 networks
AS numbers
Prefixes
HEAnet CLG
1,843,200
2
32
1
18
Vodafone Ireland Limited
1,445,120
0
2
224
Amazon Data Services Ireland Ltd
1,138,432
1.69 x 2
30
1
197
4
Eircom Limited
1,111,040
2
35
1
29
5
BT Communications Ireland Limited
439,040
1.13 x 2
35
2
17
6
Digiweb ltd
238,848
1.63 x 2
35
2
62
7
Three Ireland (Hutchison) limited
215,296
0
1
96
8
Imagine Communications Group Limited
157,440
2
32
1
29
9
Magnet Networks Limited
122,880
1.25 x 2
35
2
24
10
University College Dublin
65,536
0
1
1
11
Fulnett Limited
45,056
2
32
1
10
12
Blacknight Internet Solutions Limited
34,560
1.88 x 2
35
3
43
13
Google Cloud EMEA Ltd
32,768
2
29
2
4
14
ServeCentric Ltd.
32,768
0
1
1
15
Enet Telecommunications Networks Limited
27,136
1.03 x 2
35
1
52
16
Irish Government
26,624
2
32
2
25
17
Coolwave Communications Limited
25,088
0
1
4
18
Meteor Mobile Communications Limited
24,832
2
32
1
8
19
Google Ireland Limited
21,760
2
24
1
7
20
Jurgita Jurgaitienei trading as LOCOTORPI
21,248
0
1
64