AS207187 — TKRJASEK TKR Jasek, s.r.o.

AS207187 announces 6 IPv4 prefixes covering 14,336 addresses and 3 IPv6 prefixes.

About this network

TKRJASEK is operated by TKR Jasek, s.r.o.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as pc-213-194-247-254.valachnet.cz, rez-185-214-118-254.xgbe.cz, and mail.cobbler.cz.
• The AS announces 14,336 IPv4 addresses across 6 prefixes and 3 IPv6 prefixes, while maintaining 36 observed neighbours; this ratio of address space to peering partners indicates a regional access provider rather than a transit hub.
• Traffic from this network consists of subscriber eyeballs and local business endpoints, consistent with the operator's role as a telecommunications service provider in the Czech Republic.

Notable

• Registrants largely align with the announcer, with most prefixes registered to TKR Jasek, s.r.o., though one prefix (185.214.116.0/22) is registered to FixPro,z.s.
• The address inventory is composed of multiple /22 and larger blocks, including a significant /19 allocation, reflecting a consolidated regional footprint.

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

Announced prefixes

• 45.130.248.0/22
• 185.163.180.0/22
• 185.214.116.0/22
• 213.194.212.0/22
• 213.194.216.0/21
• 213.194.224.0/19
• 2a0a:1c00::/29
• 2a0b:99c0::/29
• 2a0e:59c0::/29

Upstream networks

• AS209810 Netcore services s.r.o.
• AS39392 SH.cz s.r.o.
• AS6939 Hurricane Electric LLC
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS8218 Zayo Infrastructure France SA
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS20562 Broadband Hosting B.V.
• AS6461 Zayo Bandwidth

Downstream networks

• AS207242 NOEL, s.r.o.
• AS207198 Kabelova televize Koprivnice, s.r.o.
• AS206420 KABEL servis Praha spol. s r.o.
• AS201265 ANAFRA a.s.
• AS205345 HoralNET s.r.o.
• AS205044 MOSES Internet s.r.o.
• AS204943 NTV cable s.r.o.
• AS202551 INERA.CZ s.r.o.

Adjacent networks

• AS209810 Netcore services s.r.o.
• AS39392 SH.cz s.r.o.
• AS207242 NOEL, s.r.o.
• AS6939 Hurricane Electric LLC
• AS207198 Kabelova televize Koprivnice, s.r.o.
• AS206420 KABEL servis Praha spol. s r.o.
• AS201265 ANAFRA a.s.
• AS205345 HoralNET s.r.o.
• AS202551 INERA.CZ s.r.o.
• AS205044 MOSES Internet s.r.o.
• AS204943 NTV cable s.r.o.
• AS29504 Freenet Liberec, z.s.
• AS37721 Virtual Technologies & Solutions
• AS8218 Zayo Infrastructure France SA
• AS24482 SG.GS
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS6461 Zayo Bandwidth
• AS20562 Broadband Hosting B.V.

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: 5 authorised providers.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-GIN, AS-TKRJASEK, AS-TKRJASEK-TRANSIT, AS-TKRJASEK:AS-NIXCZ, AS6881:AS-NIXCZ-CLIENTS.

Internet exchanges

• Peering.cz — Prague, Czech Republic
• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic