SIGMASOFT spol.s r.o.
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 10 · 592 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2001:af0:ff11::/48) |
| Record ID | 241907038 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.209.208.192/26 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 62.209.220.0/26 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 62.209.220.64/28 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 62.209.220.128/26 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 62.209.221.128/25 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 193.86.91.0/24 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED PA | ● low |
| 2001:af0:ff10::/56 | SIGMASOFT spol.s r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
| 2001:af0:ff11::/48 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED | ● low |
| 2001:af0:ff12::/48 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED | ● low |
| 2001:af0:ff13::/48 | SIGMASOFT spol.s r.o. | RIPE | ASSIGNED | ● low |
IPv6 ranges (4)
Footprint over time
12 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-09-13
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(10 of 10)
Possible discrepancies (5)
These blocks are registered to SIGMASOFT spol.s r.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.
| 2001:af0:ff12::/48 /48 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 2001:af0:ff13::/48 /48 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 2001:af0:ff11::/48 /48 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 2001:af0:ff10::/56 /56 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 193.86.91.0/24 /24 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-SSR5-RIPE
SIGMAA-MNT