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Autonomous System

AS51219

K2 Integration JSC

Announced IPs
18,176
CIDR prefixes
21
ASN
AS51219

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Geographic scope Not Disclosed
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-K2INT

Present at 2 internet exchanges: GNM-IX, CLOUD-IX MSK

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51219 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.35.72.0/24 103,080 2026-11-11 18:04:16
5.8.180.0/23 85,617 2026-11-11 18:09:57
5.35.66.0/24 85,398 2026-11-11 17:51:02
5.35.77.0/24 84,367 2026-11-11 18:02:58
5.35.75.0/24 84,341 2026-11-11 18:02:58
5.35.76.0/24 84,314 2026-11-11 18:02:58
5.35.74.0/24 84,290 2026-11-11 18:02:58
5.35.78.0/24 84,102 2026-11-11 18:02:58
5.35.79.0/24 84,043 2026-11-11 18:02:58
5.35.73.0/24 84,036 2026-11-11 18:02:58
5.35.64.0/22 83,368 2026-11-11 18:02:58
81.23.10.0/23 77,456 2026-11-11 17:21:28
93.189.226.0/24 75,940 2026-11-11 17:21:28
93.189.227.0/24 75,925 2026-11-11 17:21:28
109.73.14.0/24 75,762 2026-11-11 17:34:33
217.73.56.0/24 75,596 2026-11-11 17:34:33
194.104.230.0/24 75,426 2026-11-11 17:34:33
178.216.96.0/21 74,745 2026-11-11 17:21:28
93.183.64.0/22 74,733 2026-11-11 17:21:28
193.221.109.0/24 74,593 2026-11-11 17:34:33
91.184.239.0/24 74,571 2026-11-11 17:33:43
91.184.232.0/21 74,376 2026-11-11 17:21:28
185.102.122.0/24 73,789 2026-11-11 17:21:28
185.12.28.0/22 73,449 2026-11-11 17:21:28
185.102.120.0/22 73,439 2026-11-11 17:21:28
217.73.60.0/24 73,248 2026-11-11 17:21:28
217.73.59.0/24 73,187 2026-11-11 17:21:28
217.73.63.0/24 73,175 2026-11-11 17:21:28
217.73.57.0/24 73,144 2026-11-11 17:21:28
217.73.58.0/24 73,125 2026-11-11 17:21:28
217.73.62.0/24 72,908 2026-11-11 17:21:28
193.35.96.0/23 72,393 2026-11-11 17:21:28
194.242.120.0/22 72,135 2026-11-11 17:21:28
217.73.56.0/21 71,871 2026-11-11 17:33:43
5.35.64.0/24 68,650 2026-11-11 18:01:23
111.88.164.0/22 67,587 2026-11-11 17:21:28
185.102.121.0/24 67,182 2026-11-11 17:23:15
185.102.120.0/24 66,965 2026-11-11 17:23:15
185.102.123.0/24 66,962 2026-11-11 17:23:15
217.73.61.0/24 65,709 2026-11-11 17:54:46
5.35.67.0/24 64,788 2026-11-11 18:02:58
91.184.238.0/24 64,168 2026-11-11 17:32:51
94.159.93.0/24 62,791 2026-11-11 17:21:28
193.233.104.0/24 62,738 2026-11-11 17:21:28
111.88.164.0/24 62,602 2026-11-11 17:54:46
195.19.163.0/24 62,003 2026-11-11 17:21:28
195.208.195.0/24 54,321 2026-11-11 17:21:28
111.88.165.0/24 39,684 2026-11-11 17:32:51
111.88.166.0/24 17,899 2026-11-11 17:21:28
46.8.177.0/24 11,702 2026-06-04 08:45:56

Showing top 50 of 54 announced prefixes by sample volume.

Frequently Asked Questions

What is AS51219?

AS51219 is an Autonomous System Number assigned to K2 Integration JSC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS51219 announce?

AS51219 announces 18.2K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in Russia.

Who operates AS51219?

AS51219 is operated by K2 Integration JSC. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS51219 registered in?

AS51219 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-11 18:09:05 UTC
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