Internet Service Providers in Austria

Top 20 organizations with the largest IP allocations in Austria

Austria

Top 20 organizations with the largest IP allocations

Rank	Name	IPv4 addresses	IPv6 /64 networks	AS numbers	Prefixes
	Liberty Global B.V.	12,142,080	1.95 x 2³⁹	1	796
	A1 Telekom Austria AG	2,936,832	1.13 x 2³⁵	6	286
	Hutchison Drei Austria GmbH	1,133,567	1.19 x 2³⁶	3	206
4	ACONET	465,392	2³⁵	2	80
5	kabelplus GmbH	239,872	1.25 x 2³⁴	2	24
6	T-Mobile Austria GmbH	204,288	2³⁵	1	21
7	SALZBURG AG fur Energie, Verkehr und Telekommunikation	177,920	2³²	1	23
8	LIWEST Kabelmedien GmbH	156,672	2³²	1	8
9	Technische Universitat Wien	132,096	0	1	2
10	T-Systems Austria GesmbH	123,136	2³²	1	38
11	Vienna University Computer Center	99,584	0	1	7
12	APA-IT Informations Technologie G.m.b.H	87,552	2³⁵	1	40
13	eww ag	80,384	1.38 x 2³⁵	2	29
14	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	75,776	1.94 x 2³⁷	3	119
15	Video-Broadcast GmbH	75,008	2³³	1	10
16	lagis Internet Service Provider GmbH	69,888	2³²	1	9
17	Magistrat der Stadt Wien, Magistratsabteilung 01	69,632	2¹⁶	1	3
18	Kapsch BusinessCom AG	68,608	2³⁵	3	9
19	Russmedia IT GmbH	68,608	2³³	1	89
20	University Linz	67,584	2¹⁶	1	4