cz
Aggregated across every cluster whose name starts with "cz" — a single company can be split across many separate clusters (per-datacenter, per-country, or per-subsidiary naming), so this view sums the true total rather than understating it with a single cluster's count.
4,127
Total ranges
2,662
Matched clusters
Matched clusters
cz
CZ-KRAJVYSOCINA-ROWANET01
CZ-HOSTIFY
CZ-C10013-20240607
CZ-STENCZ-20150421
CZ-ASTELNET-20120829
CZ-SPEEDNET-20140911
CZ-V-JESNICE-NET
CZ-TRESTSKONET3-ON
CZ-SVINE-20200103
CZ-RAPIDSEEDBOX
CZ-DOIP-20180302
CZ-VSHOSTING-20100412
CZ-LIBERECKYKRAJ-INET6-2
CZ-C11019-20240918
CZ-DOUBRAVA-NET
CZ-RPSNET-MOH
CZ-RPSNET-MOH2
CZ-RPSNET-RUD
CZ-RPSNET-OLS
CZ-RPSNET-ZAB
CZ-RPSNET-SPK
CZ-RPSNET-SUD
CZ-RPSNET-BLU
CZ-RPSNET-STM
CZ-RPSNET-NMN
CZ_UVL
CZ-CESAL-IPV6-10
CZ-DEXUS-1_6A
CZ-NORDICTELECOMREGIONAL-20120425_BB_N_infr_IPv6
CZ-NORDICTELECOMREGIONAL-20120425_BB_O_infr_IPv6
CZ-NORDICTELECOMREGIONAL-20120425_BB_N_infr_internal_IPv6
CZ-NORDICTELECOMREGIONAL-20120809_MBB_BNG
CZ-NORDICTELECOMREGIONAL-20120809_VOIP_infrastructure
CZ-NORDICTELECOMREGIONAL-20100915_MBB_BNG
CZ-NORDICTELECOMREGIONAL-20100915_MBB_BNG_2
CZ-NORDICTELECOMREGIONAL-20181018_IKS_infrastructure
CZ-NORDICTELECOMREGIONAL-20110207_B2B-CPE_infrastructure
CZ-KRAJVYSOCINA-20250609
CZ-ARMADACESKEREPUBLIKY-NET
CZ-JON-SRV-RT1
CZ-JON-SRV-RT2
CZ-IBMASTRAZENICA-NET
CZ-ZENTIVANET-20071017
CZ-INTERNEX-GLOBAL-CLOUD
CZ-SYCHROVNET-20090818
CZ_Isat_NAT
CZ_Isat_NAT_2
CZ-SYCHROVNET-20110525
CZ-VSHOSTING-20110112
CZ-INTERNETMALL-WEB-DC1
CZ-INTERNETMALL-WEB-DC2
CZ-INTERNETMALL-DNS1
CZ-INTERNETMALL-DNS2
CZ-NISSAN-NET
CZ-CBCB-NET
CZ-AVXHRADISTE-NET
CZ-AVXLANSKROUN-NET
CZ-AVX-NET3
CZ-AVXCZSPOL-NET4
+2602 more
Ranges (4,127)
showing 1–100 of 4,127 — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Cluster | Registry | Status | Confidence |
|---|---|---|---|---|---|
| 5.59.0.0/16 | CZ-COPROSYS-20120604 | CZ-COPROSYS-20120604 | RIPE | ALLOCATED PA | ● high |
| 5.61.197.0/24 | CZ-NET_Skylogic | CZ-NET_Skylogic | RIPE | ASSIGNED PA | ● low |
| 5.62.17.0/24 | CZ-AVAST-SKR20190827 | CZ-AVAST-SKR20190827 | RIPE | ASSIGNED PA | ● medium |
| 5.62.32.0/24 | CZ-AVAST-SKR20190114 | CZ-AVAST-SKR20190114 | RIPE | ASSIGNED PA | ● medium |
| 5.102.48.0/21 | CZ-NORDICTELECOMREGIONAL-20120627 | CZ-NORDICTELECOMREGIONAL-20120627 | RIPE | ASSIGNED PA | ● low |
| 5.102.56.0/21 | CZ-NORDICTELECOMREGIONAL-20120627 | CZ-NORDICTELECOMREGIONAL-20120627 | RIPE | ASSIGNED PA | ● low |
| 5.132.142.0/24 | CZ-INTERNEX-GLOBAL-CLOUD | CZ-INTERNEX-GLOBAL-CLOUD | RIPE | ASSIGNED PA | ● medium |
| 5.180.196.0/29 | CZ-FLOWMON-WAN | CZ-FLOWMON-WAN | RIPE | ASSIGNED PA | ● medium |
| 5.180.196.12/30 | CZ-FLOWMON-WOSA-P2p | CZ-FLOWMON-WOSA-P2p | RIPE | ASSIGNED PA | ● medium |
| 5.180.196.64/26 | CZ-FLOWMON-DMZ | CZ-FLOWMON-DMZ | RIPE | ASSIGNED PA | ● low |
| 5.180.197.0/24 | CZ-FLOWMON-RESERVED | CZ-FLOWMON-RESERVED | RIPE | ASSIGNED PA | ● medium |
| 5.180.198.0/24 | CZ-FLOWMON-CTP-GUEST | CZ-FLOWMON-CTP-GUEST | RIPE | ASSIGNED PA | ● medium |
| 5.180.199.0/24 | CZ-FLOWMON-DMZ | CZ-FLOWMON-DMZ | RIPE | ASSIGNED PA | ● low |
| 5.187.34.0/24 | CZ.NIC, z.s.p.o. | CZ.NIC, z.s.p.o. | RIPE | ALLOCATED PA | ● low |
| 31.10.56.0/22 | CZ-NORDICTELECOMREGIONAL-20110414 | CZ-NORDICTELECOMREGIONAL-20110414 | RIPE | ASSIGNED PA | ● low |
| 31.10.60.0/22 | CZ-NORDICTELECOMREGIONAL-20110414 | CZ-NORDICTELECOMREGIONAL-20110414 | RIPE | ASSIGNED PA | ● low |
| 31.170.177.0/24 | CZ-2CONNECT | CZ-2CONNECT | RIPE | ASSIGNED PA | ● low |
| 31.170.180.0/23 | CZ-2CONNECT | CZ-2CONNECT | RIPE | ASSIGNED PA | ● low |
| 37.46.208.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.208.0/21 | CZ-ZONER-20120116 | CZ-ZONER-20120116 | RIPE | ALLOCATED PA | ● high |
| 37.46.209.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.210.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.211.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.212.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.213.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.214.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.46.215.0/24 | CZ-ZONER-NET | CZ-ZONER-NET | RIPE | ASSIGNED PA | ● low |
| 37.77.224.0/20 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.240.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.241.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.242.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.243.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.244.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.245.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.246.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.247.0/24 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.77.248.0/21 | CZ-WICNET-I | CZ-WICNET-I | RIPE | ASSIGNED PA | ● low |
| 37.235.100.64/26 | CZ-PEOPLEFORNET-1 | CZ-PEOPLEFORNET-1 | RIPE | ASSIGNED PA | ● low |
| 45.15.56.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.15.57.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.15.58.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.15.59.0/24 | Cz-eurosignal | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.82.156.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.82.157.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.82.158.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.82.159.0/24 | CZ-EUROSIGNAL | CZ-EUROSIGNAL | RIPE | ASSIGNED PA | ● low |
| 45.84.164.0/24 | CZ-SpolNet-I | CZ-SpolNet-I | RIPE | ASSIGNED PA | ● medium |
| 45.84.165.0/24 | CZ-SpolNet-II | CZ-SpolNet-II | RIPE | ASSIGNED PA | ● medium |
| 45.84.166.0/24 | CZ-SpolNet-III | CZ-SpolNet-III | RIPE | ASSIGNED PA | ● medium |
| 45.84.167.0/24 | CZ-SpolNet-IV | CZ-SpolNet-IV | RIPE | ASSIGNED PA | ● medium |
| 45.129.106.0/24 | CZ-AntHill-NET | CZ-ANTHILL | RIPE | ASSIGNED PA | ● low |
| 45.130.248.0/24 | CZ-FRANTISEKJASEK-CORE | CZ-FRANTISEKJASEK-CORE | RIPE | ASSIGNED PA | ● medium |
| 45.130.249.0/24 | CZ-FRANTISEKJASEK-NET1 | CZ-FRANTISEKJASEK-NET1 | RIPE | ASSIGNED PA | ● medium |
| 45.130.250.0/23 | CZ-FRANTISEKJASEK-NET2 | CZ-FRANTISEKJASEK-NET2 | RIPE | ASSIGNED PA | ● medium |
| 45.142.116.0/24 | CZ-RAPIDSEEDBOX-20240726 | CZ-RAPIDSEEDBOX-20240726 | RIPE | ASSIGNED PA | ● medium |
| 45.142.117.0/24 | CZ-RAPIDSEEDBOX-20240727 | CZ-RAPIDSEEDBOX-20240727 | RIPE | ASSIGNED PA | ● medium |
| 45.142.118.0/24 | CZ-RAPIDSEEDBOX-20240728 | CZ-RAPIDSEEDBOX-20240728 | RIPE | ASSIGNED PA | ● medium |
| 45.142.119.0/24 | CZ-RAPIDSEEDBOX-20240729 | CZ-RAPIDSEEDBOX-20240729 | RIPE | ASSIGNED PA | ● medium |
| 46.29.184.0/21 | CZ-COOLHOUSING-20100817 | CZ-COOLHOUSING-20100817 | RIPE | ALLOCATED PA | ● high |
| 46.30.232.0/22 | CZ-TRIONET-20100908 | CZ-TRIONET-20100908 | RIPE | ASSIGNED PA | ● low |
| 46.30.236.0/22 | CZ-TRIONET-20100908 | CZ-TRIONET-20100908 | RIPE | ASSIGNED PA | ● low |
| 46.167.196.0/23 | CZ-SPCOM | CZ-SPCOM | RIPE | ASSIGNED PA | ● low |
| 46.167.198.0/24 | CZ-RAAB-NET | CZ-RAAB-NET | RIPE | ASSIGNED PA | ● low |
| 46.167.199.0 – 46.167.200.255 | CZ-TEWECO | CZ-TEWECO | RIPE | ASSIGNED PA | ● low |
| 46.167.209.0/24 | CZ-Vegacom | CZ-Vegacom | RIPE | ASSIGNED PA | ● low |
| 46.167.212.0/23 | CZ-TWISTNET | CZ-TWISTNET | RIPE | ASSIGNED PA | ● low |
| 46.167.216.0/24 | CZ-VRATIMOV | CZ-VRATIMOV | RIPE | ASSIGNED PA | ● low |
| 46.167.218.0/24 | CZ-AAGNETH | CZ-AAGNETH | RIPE | ASSIGNED PA | ● low |
| 46.167.219.0/24 | CZ-JANKANDERA | CZ-JANKANDERA | RIPE | ASSIGNED PA | ● low |
| 46.167.220.0/24 | CZ-Vegacom | CZ-Vegacom | RIPE | ASSIGNED PA | ● low |
| 46.167.222.0 – 46.167.224.255 | CZ-MAXXNET | CZ-MAXXNET | RIPE | ASSIGNED PA | ● low |
| 46.167.225.0/24 | CZ-AAGNETH | CZ-AAGNETH | RIPE | ASSIGNED PA | ● low |
| 46.167.231.0 – 46.167.232.255 | CZ-PROWIFI | CZ-PROWIFI | RIPE | ASSIGNED PA | ● low |
| 46.167.233.0/24 | CZ-Vegacom | CZ-Vegacom | RIPE | ASSIGNED PA | ● low |
| 46.167.234.0/23 | CZ-TKOM-NET | CZ-TKOM-NET | RIPE | ASSIGNED PA | ● low |
| 46.167.240.0/24 | CZ-ABK-REALITY | CZ-ABK-REALITY | RIPE | ASSIGNED PA | ● low |
| 46.167.241.0/24 | CZ-ABK-REALITY | CZ-ABK-REALITY | RIPE | ASSIGNED PA | ● low |
| 46.167.243.0/24 | CZ-PRAHA12COM | CZ-PRAHA12COM | RIPE | ASSIGNED PA | ● low |
| 46.167.244.0 – 46.167.246.255 | CZ-FINALTEK | CZ-FINALTEK | RIPE | ASSIGNED PA | ● low |
| 46.167.248.0/24 | CZ-JIRIVANANET | CZ-JIRIVANANET | RIPE | ASSIGNED PA | ● low |
| 46.167.249.0/24 | CZ-ABK-REALITY | CZ-ABK-REALITY | RIPE | ASSIGNED PA | ● low |
| 46.167.250.0/24 | CZ-FINALTEK | CZ-FINALTEK | RIPE | ASSIGNED PA | ● low |
| 46.167.251.0/24 | CZ-FINALTEK | CZ-FINALTEK | RIPE | ASSIGNED PA | ● low |
| 46.167.252.0/23 | CZ-NETYX | CZ-NETYX | RIPE | ASSIGNED PA | ● low |
| 46.167.254.0/24 | CZ-ITProfik | CZ-ITPROFIK | RIPE | ASSIGNED PA | ● low |
| 46.183.58.128/27 | CZ-NORDICTELECOMREGIONAL-20101202 | CZ-NORDICTELECOMREGIONAL-20101202 | RIPE | ASSIGNED PA | ● medium |
| 46.228.16.0/25 | CZ-ORKASYSTEMS-SRV-PRI | CZ-ORKASYSTEMS-SRV-PRI | RIPE | ASSIGNED PA | ● medium |
| 46.228.16.128/25 | CZ-ORKASYSTEMS-ENT-0 | CZ-ORKASYSTEMS-ENT-0 | RIPE | ASSIGNED PA | ● medium |
| 46.228.17.0/26 | CZ-ORKASYSTEMS-KUJ-POD | CZ-ORKASYSTEMS-KUJ-POD | RIPE | ASSIGNED PA | ● medium |
| 46.228.17.64/26 | CZ-ORKASYSTEMS-KUJ-UFA | CZ-ORKASYSTEMS-KUJ-UFA | RIPE | ASSIGNED PA | ● medium |
| 46.228.17.128/26 | CZ-ORKASYSTEMS-TMN | CZ-ORKASYSTEMS-TMN | RIPE | ASSIGNED PA | ● medium |
| 46.228.17.192/26 | CZ-ORKASYSTEMS-STO | CZ-ORKASYSTEMS-STO | RIPE | ASSIGNED PA | ● medium |
| 46.228.18.0/26 | CZ-ORKASYSTEMS-DRK | CZ-ORKASYSTEMS-DRK | RIPE | ASSIGNED PA | ● medium |
| 46.228.18.64/26 | CZ-ORKASYSTEMS-K49 | CZ-ORKASYSTEMS-K49 | RIPE | ASSIGNED PA | ● medium |
| 46.228.18.128/26 | CZ-ORKASYSTEMS-KBM | CZ-ORKASYSTEMS-KBM | RIPE | ASSIGNED PA | ● medium |
| 46.228.18.192/26 | CZ-ORKASYSTEMS-KBU | CZ-ORKASYSTEMS-KBU | RIPE | ASSIGNED PA | ● medium |
| 46.228.19.0/26 | CZ-ORKASYSTEMS-17l-2417 | CZ-ORKASYSTEMS-17l-2417 | RIPE | ASSIGNED PA | ● medium |
| 46.228.19.64/27 | CZ-ORKASYSTEMS-Z90 | CZ-ORKASYSTEMS-Z90 | RIPE | ASSIGNED PA | ● medium |
| 46.228.19.96/27 | CZ-ORKASYSTEMS-OR-LM | CZ-ORKASYSTEMS-OR-LM | RIPE | ASSIGNED PA | ● medium |
| 46.228.19.128/25 | CZ-ORKASYSTEMS-REF-U-SEC | CZ-ORKASYSTEMS-REF-U-SEC | RIPE | ASSIGNED PA | ● medium |
No ranges on this page match your filter.
← Previous
Next →
Uses the REST API.