MasterDC s.r.o.
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 186 · 59,008 IPv4 addresses |
| IPv6 | 117 prefixes (largest 2a07:4880::/29) |
| Registered in | Czechia (75) · DM (1) · Italy (1) · Netherlands (1) |
| Record ID | 240766406 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (186)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.180.200.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 37.140.220.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 37.205.8.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 37.205.12.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 77.93.192.0/19 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 80.79.16.0/20 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 81.31.32.0/20 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 83.167.224.0/19 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 83.223.52.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 85.118.128.0/21 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 89.185.224.0/19 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 91.213.160.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 91.214.192.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 91.216.179.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 91.226.216.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 92.63.56.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 130.193.16.0/24 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 149.62.144.0/21 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 176.227.168.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 178.238.32.0/20 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.8.164.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.8.166.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.25.184.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.32.160.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.58.40.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.85.164.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.145.160.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 185.239.216.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 188.213.234.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 188.215.18.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 193.169.160.0/23 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 194.145.180.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 195.140.252.0/22 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2001:678:a50::/48 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2001:67c:68::/48 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a00:8220::/32 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a00:a5a0::/32 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a01:430::/32 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a03:3b40::/40 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a03:3b40:100::/40 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a03:3b40:200::/39 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a03:7460::/32 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a04:16c0:200::/48 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a07:4880::/29 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a0b:3240::/32 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 2a0c:6380::/29 | MasterDC s.r.o. | BGP | ANNOUNCED | ● high |
| 77.93.201.32/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.204.0/25 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.209.64/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.209.192/28 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.211.16/28 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.217.64/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.218.64/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 77.93.221.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 80.79.17.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 80.79.24.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 81.31.34.216/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 81.31.36.80/28 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 81.31.36.96/28 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 81.31.43.184/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 83.167.224.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 83.167.238.160/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 83.167.248.128/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 83.167.249.128/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 85.118.134.128/25 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.224.0/28 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.227.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.231.0/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.231.152/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.231.192/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.233.64/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.247.8/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.247.56/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.250.64/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 89.185.251.0/24 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 149.62.151.32/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 178.238.37.0/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 178.238.37.128/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 178.238.43.96/29 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 178.238.45.192/27 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 185.58.42.192/26 | MasterDC s.r.o. | RIPE | ASSIGNED PA | ● low |
| 195.60.89.0/25 | MasterDC s.r.o. | RIPE | ASSIGNED PI | ● low |
| 2001:7f8:5e::/48 | MasterDC s.r.o. | RIPE | ASSIGNED PI | ● low |
| 2a01:430::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:3::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:4::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:6::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:8::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:a::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:10::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:11::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:12::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:15::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:17::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:18::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:1a::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:1b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:1e::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:22::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:23::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:24::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:26::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:28::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:2a::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:2b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:2c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:2d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:2f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:31::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:32::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:34::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:3b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:3d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:3f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:40::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:41::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:42::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:43::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:45::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:46::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:4b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:4d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:4e::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:4f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:50::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:52::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:53::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:54::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:55::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:56::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5a::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:5e::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:ff::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:100::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:102::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:103::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:107::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:10b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:10c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:110::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:111::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:113::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:114::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:116::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:118::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:11a::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:11c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:11d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:11e::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:120::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:127::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:128::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:129::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:14f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:150::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:200::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:201::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:202::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:204::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:207::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:209::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:20b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:20c::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:20d::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:20f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:215::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:218::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:219::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:21b::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:21e::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:21f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:229::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:22f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:230::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:26f::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:290::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:300::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:305::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:430:307::/48 | MasterDC s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
IPv6 ranges (117)
Footprint over time
13 weekly snapshots · JSON
196
0 netblocks since 2026-07-05
2026-07-05
peak 196
2026-09-20
Domains this organisation publishes
what's this?Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.5%
of checked blocks have valid RPKI ROA coverage
(193 of 196)
No discrepancies found among checked blocks.
NIC Handles
ANAFRA-MNT
AS24971
AZIENDEITALIA-MNT
CASABLANCA-CORE-MNT
DUMY-RIPE
DUMY-RIPE
MASTER-MNT
MASTER-MNT
MNT-MRJOOST
NWT-MNT
ORG-MIs2-RIPE
RIPE-NCC-END-MNT
+2 more