HomeASN LookupAS5610

AS5610

🇨🇿

O2-CZECH-REPUBLIC O2 Czech Republic, a.s.ORG-STaN1-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
72total
67 IPv45 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)1.6M
Announced (BGP)2.3M
IPv6 Addresses ⓘ
Allocated (RIR)8.7×10^29
Announced (BGP)9.5×10^29
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
20
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
4/25/1996

Announced Prefixes

(BGP)72
|
Prefix
RPKI
IRR
Last Seen
5.23.39.0/24
 Valid
RIPE
5/24/2026
37.188.128.0/17
 Valid
RIPE
5/24/2026
80.188.0.0/16
 Valid
RIPE
5/24/2026
80.188.0.0/17
 Valid
RADBRIPE
5/24/2026
80.188.40.0/24
 Valid
RIPE
5/24/2026
80.188.128.0/17
 Valid
RADBRIPE
5/24/2026
80.188.222.0/24
 Valid
RIPE
5/24/2026
81.90.160.0/20
 Valid
RIPE
5/24/2026
81.90.168.0/21
 Valid
RIPE
5/24/2026
81.90.168.0/24
 Valid
RIPE
5/24/2026
1–10 of 72
1 / 8

Allocated Prefixes

(RIR)42
Prefix
Country
RIR
Status
37.188.128.0/17🇨🇿 CZRIPENCCallocated
80.188.0.0/16🇨🇿 CZRIPENCCallocated
81.90.160.0/20🇨🇿 CZRIPENCCallocated
81.90.168.0/24🇨🇿 CZRIPEassigned
83.69.32.0/19🇨🇿 CZRIPENCCallocated
83.208.0.0/16🇨🇿 CZRIPENCCallocated
85.70.0.0/15🇨🇿 CZRIPENCCallocated
85.160.0.0/15🇨🇿 CZRIPENCCallocated
85.193.0.0/18🇨🇿 CZRIPENCCallocated
88.83.160.0/19🇨🇿 CZRIPENCCallocated
1–10 of 42
1 / 5

Downstream Customers(2)

ASNName
AS59747🇨🇿NIX-DR NIX.CZ z.s.p.o.
AS198101🇨🇿KOOPERATIVA-AS Kooperativa pojistovna, a.s., Vienna Insurance Group
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/5610

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

curl -s "https://api.ipctl.io/v1/asn/5610" | jq