HomeASN LookupAS12570

AS12570

🇨🇿

ITSELF O2 Czech Republic, a.s.ORG-STaN1-RIPE

Network and internet service provider.

RIPENCCallocated
Announced Prefixes (BGP)
13total
11 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)53,760
Announced (BGP)53,760
IPv6 Addresses ⓘ
Allocated (RIR)6.3×10^29
Announced (BGP)7.1×10^29
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
10
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
7/28/1999

Announced Prefixes

(BGP)13
|
Prefix
RPKI
IRR
Last Seen
80.78.144.0/20
 Valid
RIPE
5/28/2026
88.83.224.0/19
 Valid
RIPE
5/28/2026
89.190.40.0/21
 Valid
RIPE
5/28/2026
89.190.48.0/20
 Valid
RIPE
5/28/2026
109.105.32.0/19
 Valid
RIPE
5/28/2026
185.8.188.0/22
 Valid
RIPE
5/28/2026
193.17.248.0/22
 Valid
RIPE
5/28/2026
195.78.122.0/23
 Valid
RIPE
5/28/2026
212.4.128.0/19
 Valid
RIPE
5/28/2026
212.96.160.0/19
 Valid
RIPE
5/28/2026
1–10 of 13
1 / 2

Allocated Prefixes

(RIR)12
Prefix
Country
RIR
Status
80.78.144.0/20🇨🇿 CZRIPENCCallocated
88.83.224.0/19🇨🇿 CZRIPENCCallocated
89.190.40.0/21🇨🇿 CZRIPENCCallocated
89.190.48.0/20🇨🇿 CZRIPENCCallocated
109.105.32.0/19🇨🇿 CZRIPENCCallocated
185.8.188.0/22🇨🇿 CZRIPENCCallocated
193.17.248.0/22🇨🇿 CZRIPENCCassigned
195.78.122.0/23🇨🇿 CZRIPENCCassigned
212.4.128.0/19🇨🇿 CZRIPENCCallocated
212.96.160.0/19🇨🇿 CZRIPENCCallocated
1–10 of 12
1 / 2

Downstream Customers(2)

ASNName
AS25192🇨🇿CZNIC-AS CZ.NIC, z.s.p.o.
AS200070🇨🇿CZNIC-AS2 CZ.NIC, z.s.p.o.
ASPA
No ASPA0 upstreams, 2 downstreams
Listed as Upstream Provider by
2 ASNs
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/12570

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/12570" | jq