AS15552 CK LLC "Real-net"

CK LLC "Real-net" · registered in Russia

IPv4 addresses33,28010 prefixes · 0.001% of announced IPv4

Rank in Russia#173largest network in RU by IPv4 space, of 4,937 · 0.08% of RU

Rank worldwide#4,710of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryRussia4,993 ASNs registered there

Open AS15552 in ASN lookup Look up an IP in this network (5.56.136.1) All networks in Russia

IPv4 prefixes

All 10 prefixes, in address order.

5.56.136.0/21
5.57.216.0/21
5.101.224.0/19
37.114.0.0/21
85.232.96.0/19
91.204.22.0/23
145.255.32.0/20
185.6.116.0/22
185.6.216.0/22
212.232.0.0/20

IPv6 prefixes

All 1 prefix.

2a04:d2c0::/29

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources