Nextremum s.r.o.
Data as of 2026-11-01
BGP inherited
This organisation
| Netblocks | 7 · 2,304 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a12:fe40::/29) |
| Registered in | United States (5) · Czechia (2) |
| Record ID | 259431422 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 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 (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 38.22.38.0/23 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 38.74.72.0/23 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 38.117.87.0/24 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 38.127.214.0/23 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 154.51.15.0/24 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 193.239.177.0/24 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
| 2a12:fe40::/29 | Nextremum s.r.o. | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2a12:fe40::/29 |
Footprint over time
19 weekly snapshots · JSON
9
+2 netblocks since 2026-07-05
2026-07-05
peak 9
2026-11-01
Network trust
what's this?
RPKI hygiene: C
how networks compare →
55.6%
of checked blocks have valid RPKI ROA coverage
(5 of 9)
No discrepancies found among checked blocks.
NIC Handles
AS174
AS208962
DUMY-RIPE
DUMY-RIPE
ORG-NS596-RIPE
RIPE-NCC-HM-MNT
lir-cz-nextremum-1-MNT
lir-cz-nextremum-1-MNT