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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 v1.2.0 — 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: CLOUD-IX MSK, GNM-IX

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 74,239 2026-09-11 11:18:55
5.35.66.0/24 60,859 2026-09-11 11:41:58
109.73.14.0/24 59,855 2026-09-11 11:41:58
217.73.56.0/24 59,677 2026-09-11 11:41:58
194.104.230.0/24 59,433 2026-09-11 11:41:58
193.221.109.0/24 58,681 2026-09-11 11:41:58
81.23.10.0/23 53,548 2026-09-11 11:17:39
5.8.180.0/23 52,904 2026-09-11 11:17:39
5.35.64.0/22 52,687 2026-09-11 11:17:46
5.35.78.0/24 52,579 2026-09-11 11:17:46
5.35.79.0/24 52,525 2026-09-11 11:17:46
5.35.75.0/24 52,521 2026-09-11 11:17:46
5.35.74.0/24 52,516 2026-09-11 11:17:46
5.35.76.0/24 52,484 2026-09-11 11:17:46
5.35.77.0/24 52,481 2026-09-11 11:17:46
5.35.73.0/24 52,264 2026-09-11 11:17:46
93.189.227.0/24 51,608 2026-09-11 11:17:39
93.189.226.0/24 51,594 2026-09-11 11:17:39
91.184.239.0/24 51,058 2026-09-11 11:17:46
178.216.96.0/21 50,957 2026-09-11 11:17:46
93.183.64.0/22 50,921 2026-09-11 11:17:46
91.184.232.0/21 50,443 2026-09-11 11:17:46
185.102.121.0/24 50,411 2026-09-11 11:41:58
185.102.120.0/22 50,363 2026-09-11 11:17:46
185.12.28.0/22 50,333 2026-09-11 11:17:46
193.35.96.0/23 50,231 2026-09-11 11:17:46
185.102.123.0/24 50,152 2026-09-11 11:41:58
185.102.120.0/24 50,137 2026-09-11 11:41:58
185.102.122.0/24 50,078 2026-09-11 11:17:46
217.73.56.0/21 49,783 2026-09-11 11:17:46
5.35.64.0/24 49,736 2026-09-11 11:43:48
217.73.61.0/24 49,611 2026-09-11 11:41:58
217.73.60.0/24 49,601 2026-09-11 11:17:46
217.73.59.0/24 49,581 2026-09-11 11:17:46
217.73.57.0/24 49,524 2026-09-11 11:17:46
217.73.63.0/24 49,520 2026-09-11 11:17:46
217.73.58.0/24 49,493 2026-09-11 11:17:46
217.73.62.0/24 49,246 2026-09-11 11:17:46
194.242.120.0/22 48,574 2026-09-11 11:17:46
111.88.164.0/22 44,594 2026-09-11 11:41:57
111.88.164.0/24 43,891 2026-09-11 11:41:57
91.184.238.0/24 43,729 2026-09-11 11:41:58
94.159.93.0/24 39,980 2026-09-11 11:41:57
193.233.104.0/24 39,065 2026-09-11 11:41:57
195.19.163.0/24 38,768 2026-09-11 11:41:57
5.35.67.0/24 36,645 2026-09-11 11:41:58
195.208.195.0/24 28,679 2026-09-11 11:41:57
111.88.165.0/24 19,159 2026-09-11 11:41:58
46.8.177.0/24 11,702 2026-06-04 08:45:56
5.35.66.114/32 38 2026-06-29 08:14:14

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: 2026-09-11 12:41:08 UTC
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