Summary

Country
CZ Czechia
Organization Cesnet Z.S.P.O.
Domain cesnet.cz
Number of IPv4 850,688
Number of IPv6 7.1305× 1029
AS Type ISP
Registry RIPE NCC
Allocated June 22, 2002 (about 22 years ago)
Updated May 02, 2024 (about 13 days ago)

IP Ranges

AS2852 announces 27 IPv4 ranges and 2 IPv6 ranges.

That's a total of 850,688 IPv4 addresses and 7.1305× 1029 IPv6 addresses.

Prefix Organization Size Registry Status
78.128.128.0/17
CZ University of Ostrava
32,768 RIPE NCC ASSIGNED PA
146.102.0.0/16
CZ University of Economics, Prague
65,536 RIPE NCC LEGACY
147.32.0.0/16
CZ Ceske Vysoke Uceni Technicke V Praze
65,536 RIPE NCC LEGACY
147.33.0.0/16
CZ Vysoka Skola Chemicko-technologicka V Praze
65,536 RIPE NCC LEGACY
147.228.0.0/16
CZ Zapadoceska Univerzita V Plzni
65,536 RIPE NCC LEGACY
147.230.0.0/16
CZ Technicka Univerzita V Liberci
65,536 RIPE NCC LEGACY
147.231.0.0/16
CZ Czech Academy of Sciences
65,536 RIPE NCC LEGACY
147.251.0.0/16
CZ Masarykova Univerzita - Ustav Vypocetni Techniky
65,536 RIPE NCC LEGACY
158.194.0.0/16
CZ Univerzita Palackeho V Olomouci
65,536 RIPE NCC LEGACY
158.196.0.0/16
CZ Vysoka Skola Banska - Technicka Univerzita Ostrava
65,536 RIPE NCC LEGACY
160.216.0.0/16
CZ Univerzita Obrany
65,536 RIPE NCC LEGACY
160.217.0.0/16
CZ University of South Bohemia in Ceske Budejovice
65,536 RIPE NCC LEGACY
185.8.160.0/22
CZ Cesnet Z.S.P.O.
1,024 RIPE NCC ASSIGNED PA
192.108.128.0/24
CZ Institute of Organic Chemistry And Biochemistry of The Ascr, V.V.I.
256 RIPE NCC LEGACY
193.84.32.0/20
CZ Czech University of Life Sciences Prague
4,096 RIPE NCC ASSIGNED PI
193.84.53.0/24
CZ Charles University
256 RIPE NCC ASSIGNED PI
193.84.55.0/24
CZ Charles University
256 RIPE NCC ASSIGNED PI
193.84.56.0/21
CZ Charles University
2,048 RIPE NCC ASSIGNED PI
193.84.80.0/22
CZ Cesnet Z.S.P.O.
1,024 RIPE NCC ASSIGNED PI
193.84.104.0/22
CZ Ceske Vysoke Uceni Technicke V Praze
1,024 RIPE NCC ASSIGNED PI
193.84.116.0/23
CZ Institute of Chemical Process Fundamentals of The Ascr, V.V.I.
512 RIPE NCC ASSIGNED PI
193.84.160.0/20
CZ Ujv Rez, A.S.
4,096 RIPE NCC ASSIGNED PI
193.84.192.0/20
CZ Silesian University in Opava
4,096 RIPE NCC ASSIGNED PI
193.84.208.0/20
CZ Silesian University in Opava
4,096 RIPE NCC ASSIGNED PI
194.50.26.0/23
CZ Povodi Labe, S.P.
512 RIPE NCC ASSIGNED PI
195.113.0.0/16
CZ Charles University
65,536 RIPE NCC ASSIGNED PA
195.178.64.0/19
CZ Cesnet Z.S.P.O.
8,192 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2001:718::/29
CZ Cesnet Z.S.P.O.
6.3383× 1029 RIPE NCC ALLOCATED-BY-LIR
2001:718::/32
CZ Cesnet Z.S.P.O.
7.9228× 1028 RIPE NCC ALLOCATED-BY-LIR

Upstreams

There are 3 upstreams for AS2852:

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