NAM system, a.s.
AS204351 is NAM system, a.s. (nam.cz). It announces 1,024 IPv4 addresses in 4 prefixes, and 0 IPv6 prefixes.
Czechia· RIPE NCC· allocated 2018-03-28· ISP
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Czechia1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NAM
- name
- NAM system, a.s.
- org
- ORG-NSA125-RIPE
- org name
- NAM system, a.s.
- org address
- U Posty 1163/13, 73564, Havirov, CZECH REPUBLIC
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2018-03-28
- updated
- 2023-07-25
- maintainer
- RIPE-NCC-END-MNT|cz-nam-1-mnt
- abuse name
- Abuse-C Role
- abuse email
- abuse@nam.cz
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP25625.00%
- None here
- None here
- None here
- None here
- None here
- 0.10%
- 0.20%
- Web IP232.25%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 185.241.240.0/24 | Czechia | Valid | 17 | 2026-10-02 |
| 185.241.241.0/24 | Czechia | Valid | 17 | 2026-10-02 |
| 185.241.242.0/24 | Czechia | Valid | 17 | 2026-10-02 |
| 185.241.243.0/24 | Czechia | Valid | 17 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.