AS51219 K2_INT K2 Integration JSC

K2_INT K2 Integration JSC · registered in Russia

IPv4 addresses18,17621 prefixes · <0.001% of announced IPv4

Rank in Russia#295largest network in RU by IPv4 space, of 4,937 · 0.04% of RU

Rank worldwide#6,483of 79,396 networks with IPv4

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

CountryRussia4,993 ASNs registered there

Open AS51219 in ASN lookup Look up an IP in this network (5.8.180.1) All networks in Russia

IPv4 prefixes

All 21 prefixes, in address order.

5.8.180.0/23
5.35.64.0/22
5.35.72.0/21
81.23.10.0/23
91.184.232.0/21
93.183.64.0/22
93.189.226.0/23
94.159.93.0/24
109.73.14.0/24
111.88.164.0/22
178.216.96.0/21
185.12.28.0/22
185.102.120.0/22
193.35.96.0/23
193.221.109.0/24
193.233.104.0/24
194.104.230.0/24
194.242.120.0/22
195.19.163.0/24
195.208.195.0/24
217.73.56.0/21

IPv6 prefixes

All 1 prefix.

2a02:e5c0::/29

Similar-sized networks in Russia

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AS56694#296 SmartApe LLC Smart Ape18,176

AS206805#297 T1CLOUD-AS LLC "T1Cloud"18,176

AS204144#298 COMFORT-AS Comfort XXI Century Ltd.18,176

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