MasterDC s.r.o.
Cluster stats
| Netblocks | 196 |
| All fragments | 210 blocks across 2 clusters |
| Cluster ID | 191597617 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| 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 | |
Footprint over time
2 weekly snapshots · JSON
196
0 netblocks since 2026-07-05
2026-07-05
peak 196
2026-07-06
IP Ranges (196)
showing 50 of 196 — see all — ⬇ 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 |
| 77.93.192.0/19 | MasterDC s.r.o. | RIPE | ALLOCATED PA | ● low |
| 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 |
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