AS200107 — KL-EXT Kaspersky Lab Switzerland GmbH

AS200107 announces 15 IPv4 prefixes covering 10,240 addresses and 15 IPv6 prefixes.

About this network

KL-EXT is operated by Kaspersky Lab Switzerland GmbH.

What it's used for

• The address space carries corporate infrastructure for Kaspersky, with netnames such as CH-KL-20070424, CH-KL-20170428, and KL-NET5 registered to Kaspersky Lab Switzerland GmbH.
• The AS announces 10240 IPv4 addresses across 20 prefixes and 16 IPv6 prefixes, with 23 observed neighbours; this ratio indicates a corporate network with moderate peering rather than a transit or access provider.
• Traffic from this AS consists of corporate endpoints, web/API services, and VPN infrastructure supporting Kaspersky's security products and internal operations.

Notable

• All registrants in the RDAP data align with the announcer, listing Kaspersky Lab Switzerland GmbH as the holder for prefixes including 77.74.180.0/22, 79.133.168.0/22, and 185.201.0.0/22.
• The address inventory is finely subdivided into /22, /23, and /24 blocks, consistent with site-by-site segmentation for a large corporate estate.

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

Announced prefixes

• 37.203.128.0/23
• 77.74.176.0/21
• 79.133.168.0/22
• 80.173.148.0/23
• 82.202.184.0/23
• 91.198.230.0/24
• 93.159.227.0/24
• 93.159.228.0/22
• 185.54.220.0/22
• 185.85.12.0/24
• 185.85.14.0/23
• 185.201.0.0/22
• 193.238.132.0/23
• 195.64.114.0/24
• 195.128.246.0/23
• 2a03:2480:68::/47
• 2a03:2480:70::/48
• 2a03:2480:80::/48
• 2a03:2480:8000::/48
• 2a03:2480:8010::/48
• 2a03:2480:8012::/47
• 2a03:2480:8020::/46
• 2a03:2480:8026::/47
• 2a03:2480:8028::/46
• 2a03:2480:802d::/48
• 2a03:2480:802e::/47
• 2a03:2480:8030::/48
• 2a03:2480:8032::/47
• 2a03:2480:8034::/46
• 2a03:2480:8103::/48

Upstream networks

• AS1299 Arelion Sweden AB
• AS20764 CJSC RASCOM
• AS29226 JSC Mastertel
• AS9002 RETN Limited
• AS199599 Telecom-Birzha, LLC
• AS57304 JSC "RetnNet"
• AS20485 Joint Stock Company TransTeleCom
• AS3491 PCCW Global (HK) Ltd.
• AS209030 AO Kaspersky Lab
• AS8470 JSC Macomnet
• AS24482 SG.GS
• AS3216 PJSC "Vimpelcom"
• AS3327 CITIC Telecom CPC Netherlands B.V.
• AS16735 ALGAR TELECOM S/A
• AS4637 Telstra Global
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS396356 Latitude.sh
• AS3356 Level 3 Parent, LLC
• AS61400 Start2 LLC
• AS6939 Hurricane Electric LLC
• AS12389 PJSC Rostelecom
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS6461 Zayo Bandwidth

Downstream networks

• AS154239 Neosoft Technologies And Software Pvt Ltd

Adjacent networks

• AS1299 Arelion Sweden AB
• AS20764 CJSC RASCOM
• AS29226 JSC Mastertel
• AS9002 RETN Limited
• AS199599 Telecom-Birzha, LLC
• AS57304 JSC "RetnNet"
• AS20485 Joint Stock Company TransTeleCom
• AS3491 PCCW Global (HK) Ltd.
• AS209030 AO Kaspersky Lab
• AS8470 JSC Macomnet
• AS24482 SG.GS
• AS3216 PJSC "Vimpelcom"
• AS3327 CITIC Telecom CPC Netherlands B.V.
• AS16735 ALGAR TELECOM S/A
• AS4637 Telstra Global
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS396356 Latitude.sh
• AS3356 Level 3 Parent, LLC
• AS154239 Neosoft Technologies And Software Pvt Ltd
• AS6939 Hurricane Electric LLC
• AS61400 Start2 LLC
• AS12389 PJSC Rostelecom
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS6461 Zayo Bandwidth

Routing security

• RPKI: 71 valid, 0 invalid and 1 not-found announcements; 81 ROAs.
• ASPA: none published.
• IRR: 97% of announcements registered; 86 route objects.
• Listed in as-sets: AS-BB, AS-BROADNETIL, AS-CIREX, AS-CITICTEL-CPC-RU, AS-CTBC-CUSTOMERS247, AS-CTBC-TOOLS-8, AS-DURAND1-CUSTOMER, AS-EMIX, AS-FIORD, AS-GLOBEINTERNET-CLIENTS, AS-GLOBEINTERNET-CLIENTS, AS-GOLDEN, AS-GREEN-CUST, AS-HURRICANE, AS-HURRICANEV6, AS-INDRIK, AS-KDP, AS-KDP-RUSSIA, AS-MACOMNET, AS-MASTERTEL, AS-MASTERTEL6, AS-MAXIHOST, AS-NETRACK, AS-NV, AS-RASCOM.