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 Operations B.V.	11,318,272	1.94 x 2³⁹	1	762
	A1 Telekom Austria AG	2,938,368	2³⁵	6	310
	Hutchison Drei Austria GmbH	729,088	2³⁶	2	50
4	ACONET	464,880	2³⁵	2	78
5	Tele2 Telecommunication GmbH	404,735	1.5 x 2³³	1	121
6	kabelplus GmbH	239,616	1.25 x 2³⁴	2	23
7	T-Mobile Austria GmbH	204,800	2³⁵	1	21
8	T-Systems Austria GesmbH	186,368	2³²	1	58
9	SALZBURG AG fur Energie, Verkehr und Telekommunikation	177,920	2³²	1	23
10	LIWEST Kabelmedien GmbH	155,648	2³²	1	7
11	Technische Universitat Wien	132,096	0	1	2
12	Vienna University Computer Center	99,584	0	1	7
13	APA-IT Informations Technologie G.m.b.H	87,552	2³⁵	1	40
14	eww ag	80,384	1.38 x 2³⁵	2	29
15	Video-Broadcast GmbH	75,008	2³³	1	10
16	lagis Internet Service Provider GmbH	70,912	2³²	1	26
17	Russmedia IT GmbH	70,400	2³³	1	91
18	Magistrat der Stadt Wien, Magistratsabteilung 14	69,632	2¹⁶	1	3
19	Kapsch BusinessCom AG	68,608	2³⁵	3	9
20	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	68,352	1.94 x 2³⁷	3	109