AS41983 — KL-AS

AS41983 announces 2 IPv4 prefixes covering 2,560 addresses and 21 IPv6 prefixes.

About this network

KL-AS is operated by Kaspersky Lab Switzerland GmbH.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames CH-KL-20061123 and KL-NET4 registered to Kaspersky Lab entities.
• The AS announces 2560 IPv4 addresses across 2 prefixes and 23 IPv6 prefixes, with only 3 observed neighbours, indicating an internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of internal corporate endpoints, development environments, and security service infrastructure for Kaspersky's cybersecurity products.

Notable

• Registrants align with the announcer, listing Kaspersky Lab Switzerland GmbH and Kaspersky Lab Contact Role for the largest prefixes.
• The address inventory is finely subdivided into two IPv4 blocks and numerous IPv6 sub-prefixes, consistent with site-by-site segmentation for a large corporate organization.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 91.103.64.0/21
• 93.159.224.0/23
• 2a03:2480::/41
• 2a03:2480:6a::/47
• 2a03:2480:6c::/46
• 2a03:2480:71::/48
• 2a03:2480:72::/47
• 2a03:2480:74::/46
• 2a03:2480:78::/45
• 2a03:2480:81::/48
• 2a03:2480:82::/47
• 2a03:2480:84::/46
• 2a03:2480:88::/45
• 2a03:2480:90::/44
• 2a03:2480:a0::/43
• 2a03:2480:c0::/42
• 2a03:2480:100::/40
• 2a03:2480:200::/39
• 2a03:2480:400::/38
• 2a03:2480:800::/37
• 2a03:2480:1000::/36
• 2a03:2480:2000::/35
• 2a03:2480:4000::/34

Upstream networks

• AS9002 RETN Limited
• AS2854 LLC Orange Business Services
• AS57304 JSC "RetnNet"

Adjacent networks

• AS9002 RETN Limited
• AS2854 LLC Orange Business Services
• AS57304 JSC "RetnNet"

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-CITICTEL-CPC-RU, AS-COMSTAR, AS-INDRIK, AS-KDP-RUSSIA, AS-MACOMNET, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-ROSPRINT, AS147094:AS-MVNET-NAP, AS147094:AS-MVNET-NAP, AS209141:AS-RUCUST, AS41194:AS-RASCOM, AS55655:AS-SIMS, AS57304:AS-RETN-RU, AS57304:AS-RETN6-RU, AS58821:AS-LJN, AS64315:AS-MVNET, AS64315:AS-MVNET.