O2 Czech Republic, a.s.
AS16246 is O2 Czech Republic, a.s. (nej.cz). It announces 133,120 IPv4 addresses in 13 prefixes, and 2 IPv6 prefixes.
Czechia· RIPE· allocated 2001-02-07· 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.
- Czechia133,120 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AS16246
- name
- O2 Czech Republic, a.s.
- org
- ORG-STaN1-RIPE
- org name
- O2 Czech Republic, a.s.
- org address
- Za Brumlovkou 266/2, 140 22, Praha 4 - Michle, CZECH REPUBLIC
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2003-10-21
- updated
- 2024-06-20
- descr
- NEJ.cz s.r.o
- remarks
- ---- UPSTREAM ---- / ---- TRANSIT AS ---- / ---- NIX.CZ ---- / ---- NIX.CZ v6----
- maintainer
- RIPE-NCC-END-MNT|AS5610-MTN
- abuse name
- Abuse-C Role
- abuse email
- abuse@o2.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.
- VPN IP700watchguard, draytek0.53%
- anyip, geonix, proxyseller0.41%
- None here
- floppydata0.00%
- None here
- None here
- Hosting IP35,58426.73%
- None here
- None here
- None here
- SSH IP5290.40%
- SMTP IP620.05%
- 0.14%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 77.87.232.0/21 | Czechia | valid | 17 | 2026-10-02 |
| 78.108.152.0/21 | Czechia | valid | 17 | 2026-10-02 |
| 82.150.160.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 86.63.192.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 91.197.116.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 92.240.160.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 94.74.192.0/18 | Czechia | valid | 17 | 2026-10-02 |
| 95.143.128.0/20 | Czechia | valid | 17 | 2026-10-02 |
| 176.98.96.0/20 | Czechia | valid | 17 | 2026-10-02 |
| 178.17.96.0/20 | Czechia | valid | 17 | 2026-10-02 |
| 185.15.252.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 188.175.0.0/16 | Czechia | valid | 17 | 2026-10-02 |
| 213.180.32.0/19 | Czechia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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