O2 Czech Republic, a.s.
AS12570 is O2 Czech Republic, a.s. (itself.cz). It announces 49,664 IPv4 addresses in 11 prefixes, and 2 IPv6 prefixes.
Czechia· RIPE· allocated 1999-07-28· 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.
- Czechia49,120 · 98.90%
- Slovakia512 · 1.03%
- The Netherlands32 · 0.06%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ITSELF
- 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
- 2002-05-27
- updated
- 2024-06-20
- descr
- Network and internet service provider. / Czech Republic
- remarks
- ======================= Upstream providers ======================== / ========================= Customers ========================== / ======================= NIX peerings ========================== / = NIX.CZ route server peerings / = NIX.CZ direct peerings / = NIX.SK route server peerings / ======================= Direct peerings ========================== / BGP communities accepted from downstream: / 1. Blackhole / 12570:666 / Routing issues and peering requests: noc at itself.cz / This Autonomous System
- 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 IP675watchguard1.36%
- anyip, geonix, proxyseller0.47%
- None here
- floppydata0.01%
- None here
- None here
- Hosting IP18,17636.60%
- None here
- None here
- None here
- SSH IP4951.00%
- SMTP IP1340.27%
- 0.16%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 80.78.144.0/20 | Czechia | valid | 17 | 2026-10-02 |
| 88.83.224.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 89.190.40.0/21 | Czechia | valid | 17 | 2026-10-02 |
| 89.190.48.0/20 | Czechia | valid | 17 | 2026-10-02 |
| 109.105.32.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 185.8.188.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 193.17.248.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 195.78.122.0/23 | Czechia | valid | 17 | 2026-10-02 |
| 212.4.128.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 212.96.160.0/19 | Czechia | valid | 17 | 2026-10-02 |
| 213.211.32.0/19 | Czechia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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