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.

4,115
Total ranges
2,638
Matched clusters

Matched clusters

Ranges (4,115)

showing 1–100 of 4,115 — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Cluster Registry Status
5.59.0.0/16 CZ-COPROSYS-20120604 CZ-COPROSYS-20120604 RIPE ALLOCATED PA
37.46.208.0/21 CZ-ZONER-20120116 CZ-ZONER-20120116 RIPE ALLOCATED PA
46.29.184.0/21 CZ-COOLHOUSING-20100817 CZ-COOLHOUSING-20100817 RIPE ALLOCATED PA
46.234.160.0/21 CZ-MSTR-1 CZ-MSTR-1 RIPE ASSIGNED PA
46.234.168.0/21 CZ-MSTR-1 CZ-MSTR-1 RIPE ASSIGNED PA
46.243.48.0/21 CZ-VSHOSTING-20110112 CZ-VSHOSTING-20110112 RIPE ALLOCATED PA
61.130.64.20/30 CZ-JIANSHE-GUANGLI-ZONGZHAN CZ-JIANSHE-GUANGLI-ZONGZHAN APNIC ASSIGNED NON-PORTABLE
77.104.192.0/18 CZ-COPROSYS-20061128 CZ-COPROSYS-20061128 RIPE ALLOCATED PA
77.236.192.0/19 CZ-BLUE4-20070130 CZ-BLUE4-20070130 RIPE ALLOCATED PA
77.240.177.6/32 CZ-FASTER-20260519 CZ-FASTER-20260519 RIPE ASSIGNED PA
78.24.8.0/21 CZ-VSHOSTING-20070817 CZ-VSHOSTING-20070817 RIPE ALLOCATED PA
78.24.232.0/21 CZ-SGS-20070914 CZ-SGS-20070914 RIPE ALLOCATED PA
78.136.176.0/20 CZ-NORDICTELECOMREGIONAL-20070509 CZ-NORDICTELECOMREGIONAL-20070509 RIPE ASSIGNED PA
78.143.8.0/22 CZ-COLT-20230712-Toplevel CZ-COLT-20230712-Toplevel RIPE SUB-ALLOCATED PA
78.156.32.0/19 CZ-RETEINTERNET-20070809 CZ-RETEINTERNET-20070809 RIPE ALLOCATED PA
78.156.159.0/24 CZ-ON-SMB-pool1 CZ-ON-SMB-pool1 RIPE LIR-PARTITIONED PA
78.157.160.0/19 CZ-SILESNET-20070830 CZ-SILESNET-20070830 RIPE ALLOCATED PA
79.98.72.0/21 CZ-SYS-DATACOM-20071029 CZ-SYS-DATACOM-20071029 RIPE ALLOCATED PA
79.98.152.0/21 CZ-NETAIR-20071106 CZ-NETAIR-20071106 RIPE ALLOCATED PA
79.171.184.0/21 CZ-ZENTIVANET-20071017 CZ-ZENTIVANET-20071017 RIPE ALLOCATED PA
80.81.192.112/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
80.81.193.112/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
81.91.208.0/20 CZ-OVANETWORK-20060427 CZ-OVANETWORK-20060427 RIPE ALLOCATED PA
81.92.144.0/20 CZ-COPROSYS-20060503 CZ-COPROSYS-20060503 RIPE ALLOCATED PA
87.236.192.0/21 CZ-COOLHOUSING-20050912 CZ-COOLHOUSING-20050912 RIPE ALLOCATED PA
89.111.64.0/18 CZ-TELCOPROSERVICES-20060425 CZ-TELCOPROSERVICES-20060425 RIPE ALLOCATED PA
89.187.128.0/19 CZ-COOLHOUSING-20060428 CZ-COOLHOUSING-20060428 RIPE ALLOCATED PA
89.190.64.0/19 CZ-NSYS-20060606 CZ-NSYS-20060606 RIPE ALLOCATED PA
91.210.16.3/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
91.210.16.13/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
91.210.16.173/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
91.235.183.0/24 CZ-PREGIS CZ-PREGIS RIPE ASSIGNED PI
92.43.56.0/21 CZ-INTERNETMALL-20080108 CZ-INTERNETMALL-20080108 RIPE ALLOCATED PA
92.63.48.0/20 CZ-NEWTEL-20080131 CZ-NEWTEL-20080131 RIPE ALLOCATED PA
93.89.96.0/20 CZ-SYCHROVNET-20080404 CZ-SYCHROVNET-20080404 RIPE ALLOCATED PA
93.91.48.0/20 CZ-INET4-20080502 CZ-INET4-20080502 RIPE ALLOCATED PA
93.95.32.0/21 CZ-MIRAMO-20080326 CZ-MIRAMO-20080326 RIPE ALLOCATED PA
93.185.96.0/20 CZ-VSHOSTING-20080606 CZ-VSHOSTING-20080606 RIPE ALLOCATED PA
94.138.96.0/19 CZ-COPROSYS-20080922 CZ-COPROSYS-20080922 RIPE ALLOCATED PA
103.16.102.189/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
116.236.207.208/30 CZ-DYFZYR CZ-DYFZYR APNIC ASSIGNED NON-PORTABLE
122.227.44.120/29 CZ-COMMERCIAL-SPORTS-CO-LTD CZ-COMMERCIAL-SPORTS-CO-LTD APNIC ASSIGNED NON-PORTABLE
136.225.64.0/21 CZ-COLT-20250326 CZ-COLT-20250326 RIPE LEGACY
178.23.232.0/21 CZ-COPROSYS-20100428 CZ-COPROSYS-20100428 RIPE ALLOCATED PA
178.251.184.0/21 CZ-VSHOSTING-20100629 CZ-VSHOSTING-20100629 RIPE ALLOCATED PA
185.1.63.124/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
185.4.200.0/22 CZ-SYS-DATACOM-20120927 CZ-SYS-DATACOM-20120927 RIPE ALLOCATED PA
185.14.252.0/22 CZ-VSHOSTING-20120109 CZ-VSHOSTING-20120109 RIPE ALLOCATED PA
185.43.132.0/22 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
185.43.134.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
185.43.135.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
185.59.208.0/22 CZ-VSHOSTING-20140603 CZ-VSHOSTING-20140603 RIPE ALLOCATED PA
185.64.216.0/22 CZ-VSHOSTING-20140724 CZ-VSHOSTING-20140724 RIPE ALLOCATED PA
185.115.0.0/22 CZ-VSHOSTING-20150827 CZ-VSHOSTING-20150827 RIPE ALLOCATED PA
185.157.91.208 – 185.157.91.213 CZ-PIXOYO-20200219 CZ-PIXOYO-20200219 RIPE LIR-PARTITIONED PA
185.157.91.214 – 185.157.91.219 CZ-PIXOYO-20200219 CZ-PIXOYO-20200219 RIPE LIR-PARTITIONED PA
185.211.192.0/23 CZ-CHALABALA-20180326 CZ-CHALABALA-20180326 RIPE SUB-ALLOCATED PA
185.211.194.0/23 CZ-CHALABALA-20180325 CZ-CHALABALA-20180325 RIPE SUB-ALLOCATED PA
187.16.221.12/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
188.75.172.0/24 CZ-JON-CUST-BK-5 CZ-JON-CUST-BK-5 RIPE ASSIGNED PA
188.246.96.0/19 CZ-SYCHROVNET-20090818 CZ-SYCHROVNET-20090818 RIPE ALLOCATED PA
193.17.47.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
193.29.206.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
193.118.248.0/23 CZ-COLT-101 CZ-COLT-101 RIPE LIR-PARTITIONED PA
193.118.250.0/24 CZ-COLT-102 CZ-COLT-102 RIPE LIR-PARTITIONED PA
193.203.0.46/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
194.0.12.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
194.0.13.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
194.0.14.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
194.30.187.3/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
194.30.187.38/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
194.68.123.68/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
194.68.128.68/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
195.66.227.112/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
195.66.239.112/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
195.69.119.68/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
195.245.240.68/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
196.60.97.18/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
196.60.97.19/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
203.127.155.0/26 CZ-SG CZ-SG APNIC ASSIGNED NON-PORTABLE
206.55.197.250/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
206.81.80.138/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
210.173.176.125/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
210.173.176.126/32 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
212.237.229.0/24 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
213.192.13.0/24 CZ-DATAIN CZ-DATAIN RIPE ASSIGNED PA
217.16.176.0/20 CZ-VSHOSTING-20091208 CZ-VSHOSTING-20091208 RIPE ALLOCATED PA
217.29.0.0/20 CZ-NETAIR-20090306 CZ-NETAIR-20090306 RIPE ALLOCATED PA
217.29.67.72/32 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
217.31.192.0/20 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
217.196.208.0/20 CZ-MIRAMO-20041013 CZ-MIRAMO-20041013 RIPE ALLOCATED PA
217.197.32.0/20 CZ-MIRAMO-20090227 CZ-MIRAMO-20090227 RIPE ALLOCATED PA
217.198.112.0/20 CZ-ZONER-20041115 CZ-ZONER-20041115 RIPE ALLOCATED PA
219.72.130.0/24 CZ-CATV CZ-CATV APNIC ALLOCATED NON-PORTABLE
2001:504:16::6268/128 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
2001:504:31::3:d86:1/128 CZ.NIC, z.s.p.o. (AS200070) CZ.NIC, z.s.p.o. PEERINGDB ASSIGNED
2001:678:1::/48 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
2001:678:f::/48 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
2001:678:10::/48 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
2001:678:11::/48 CZ.NIC, z.s.p.o. CZ.NIC, z.s.p.o. BGP ANNOUNCED
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Uses the REST API.