CESNET z.s.p.o.
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 298 · 850,176 IPv4 addresses |
| IPv6 | 119 prefixes (largest 2001:718::/29) |
| Record ID | 236135968 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (298)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 78.128.128.0/17 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 78.128.235.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● high |
| 146.102.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.32.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.33.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.228.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.230.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.231.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.251.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 147.251.49.0/24 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 158.194.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 158.196.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 160.216.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 160.217.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 185.8.160.0/22 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.32.0/20 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.53.0/24 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.55.0/24 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.56.0/21 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.80.0/22 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.104.0/22 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.116.0/23 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.160.0/20 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.192.0/20 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.192.0/19 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 193.84.208.0/20 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 195.113.0.0/16 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 195.113.167.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● high |
| 195.178.64.0/19 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 2001:718::/29 | CESNET z.s.p.o. | BGP | ANNOUNCED | ● high |
| 78.128.210.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.211.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.212.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.212.64/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.214.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.214.70/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.214.128/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.214.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.216.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.217.128/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.217.224/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.64/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.80/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.88/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.90/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.112/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.218.128/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.219.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.222.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.224.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.225.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.225.128/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.225.144/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.228.0/22 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.234.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.238.0/23 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.240.0/22 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.244.0/23 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.246.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.247.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.248.0/23 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.250.0/23 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 78.128.252.0/22 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 185.8.160.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 194.212.11.0/24 | CESNET-ALL | RIPE | ASSIGNED PA | ● low |
| 195.113.134.128/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.142.32/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.142.154 – 195.113.142.159 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.142.160/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.142.176/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.144.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.144.128/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.147.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.147.160/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.147.176/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.147.184/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.148.104/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.148.128/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.148.152 – 195.113.148.163 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.0/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.32 – 195.113.150.79 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.80 – 195.113.150.223 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.224/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.232/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.150.240/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.151.144/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.151.160/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.151.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.156.0 – 195.113.157.127 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.157.128/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.64/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.96/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.128/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.200/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.220/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.161.224/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.164.168/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.164.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.166.118 – 195.113.166.127 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.169.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.171.100/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.171.192/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.171.208/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.172.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.178.252/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.179.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.183.136/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.186.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.186.64/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.186.176/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.186.214/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.187.0/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.187.64/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.187.72/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.187.80/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.191.48/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.191.52/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.191.56/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.191.64/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.196.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.197.56/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.197.128/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.128/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.144/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.160/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.176/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.184/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.205.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.208.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.209.44/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.209.128/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.209.224/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.209.248/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.209.252/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.214.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.214.128/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.214.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.219.0/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.220.224/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.220.232/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.64/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.80/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.88/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.96/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.128/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.222.192/26 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.224.18/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.226.136/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.226.144/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.227.200/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.228.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.231.128/25 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.0/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.32/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.128/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.160/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.176/28 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.192/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.200/29 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.208/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.212/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.214/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.216/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.218/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.220/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.222/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.232.224/27 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.235.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.238.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.242.232/30 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.249.44 – 195.113.249.51 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.249.52 – 195.113.249.59 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.251.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.113.252.0/22 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.178.64.0/24 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.178.65.130/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.178.65.132/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 195.178.65.134/31 | CESNET z.s.p.o. | RIPE | ASSIGNED PA | ● low |
| 2001:718::/48 | CESNET z.s.p.o. | RIPE | AGGREGATED-BY-LIR | ● low |
| 2001:718::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:0:5::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:0:12::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:0:15::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:0:19::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1:1::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:2::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:3::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:4::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:5::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:6::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:7::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:8::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:9::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:a::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:b::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:c::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:d::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:f::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:10::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:11::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:12::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:13::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:14::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:15::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:18::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:1a::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:1d::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:1f::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:20::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:23::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:24::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:26::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:28::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:2a::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:2c::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:2e::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:2f::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:30::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:31::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:32::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:33::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:34::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:35::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:36::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:37::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:100::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:101::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:a100::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1:fff0::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:5::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:12::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:15::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:19::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:200::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:200::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:200:ff03::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:600::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:600::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:800::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:800::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:800:11::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:12::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:ff00::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:ff01::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:ff03::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:fff3::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:800:fffc::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:811::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:812::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1000::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1000::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1000:fffc::/63 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1000:ffff::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1200::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1200::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1400::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1400::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1600::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1600::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1600:fff0::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1800::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1800::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1800:8::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1800:ff03::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1808::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:1a00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1a00::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1c00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1c00::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:1e00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2000::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2000::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2200::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2200::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2400::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2400::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2600::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2600::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2800::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2800::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2a00::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2a00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2c00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2c00::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2e00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:2e00::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:3000::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:3000::/48 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:ff00::/42 | CESNET z.s.p.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:718:ff00:4::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:ff00:5::/64 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:ff01::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:ff02::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:ff03::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
| 2001:718:ff05::/48 | CESNET z.s.p.o. | RIPE | ASSIGNED | ● low |
IPv6 ranges (119)
showing the 15 largest allocationsFootprint over time
11 weekly snapshots · JSON
304
+1 netblocks since 2026-07-05
2026-07-05
peak 304
2026-09-06
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(304 of 304)
Possible discrepancies (1)
These blocks are registered to CESNET z.s.p.o. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 194.212.11.0/24 /24 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
NIC Handles
AS2852
CZMC1-RIPE
DUMY-RIPE
DUMY-RIPE
GTSCZ-MNT
ORG-CA9-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
TENCZ-MNT
TENCZ-MNT