HomeASN LookupAS43037

AS43037

🇨🇿

SEZNAM-CZ Seznam.cz, a.s.ORG-Sa508-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
12total
6 IPv46 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)1,536
Announced (BGP)3,072
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
20
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
5/29/2007

Announced Prefixes

(BGP)12
|
Prefix
RPKI
IRR
Last Seen
77.75.72.0/23
 Valid
RIPE
5/25/2026
77.75.74.0/24
 Valid
RIPE
5/25/2026
77.75.75.0/24
 Valid
RIPE
5/25/2026
77.75.76.0/23
 Valid
RIPE
5/25/2026
77.75.78.0/23
 Valid
RIPE
5/25/2026
185.66.188.0/22
 Valid
RIPE
5/25/2026
2a02:598::/32
 Valid
RIPE
5/25/2026
2a02:598:2::/48
 Valid
RIPE
5/25/2026
2a02:598:a::/48
 Valid
RIPE
5/25/2026
2a02:598:b::/48
 Valid
RIPE
5/25/2026
1–10 of 12
1 / 2

Allocated Prefixes

(RIR)9
Prefix
Country
RIR
Status
77.75.74.0/24🇨🇿 CZRIPEassigned
77.75.75.0/24🇨🇿 CZRIPEassigned
185.66.188.0/22🇨🇿 CZRIPENCCallocated
2a02:598::/32🇨🇿 CZRIPENCCallocated
2a02:598:2::/48🇨🇿 CZRIPEassigned
2a02:598:a::/48🇨🇿 CZRIPEassigned
2a02:598:b::/48🇨🇿 CZRIPEassigned
2a02:598:3333::/48🇨🇿 CZRIPEassigned
2a02:598:4444::/48🇨🇿 CZRIPEassigned
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/43037

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

curl -s "https://api.ipctl.io/v1/asn/43037" | jq