AS201990 — Techgroup_NET Jakub Bartlomiej Osuch trading as Techgroup

Network type: residential

AS201990 announces 4 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

The AS handle TECHGROUPNET is held by Techgroup, a Polish internet service provider.

What it's used for

• The address space carries residential and business internet access, evidenced by netnames such as PL-TECHGROUP1-20170524 and reverse DNS entries like 255.ipv4.techgroup.pl.
• The network announces 2048 IPv4 addresses across 5 prefixes and maintains 9 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
• Traffic from this AS consists of subscriber eyeballs using cable and DSL connections, as indicated by the operator's classification as a Cable/DSL/ISP.

Notable

• All registrants for the announced prefixes are consistent with the announcer, listing Jakub Osuch and Jakub Bartlomiej Osuch trading as Techgroup.
• The address inventory is composed of five distinct IPv4 blocks, including a /22 and four /24s, with no IPv6 prefixes in inventory.

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

Announced prefixes

• 45.90.43.0/24
• 167.104.48.0/24
• 185.205.84.0/22
• 193.218.203.0/24

Upstream networks

• AS24724 Atman Sp. z o.o.
• AS9141 P4 Sp. z o.o.
• AS214762 Sebastian Stefanek trading as MatHost.eu
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS

Adjacent networks

• AS24724 Atman Sp. z o.o.
• AS9141 P4 Sp. z o.o.
• AS214762 Sebastian Stefanek trading as MatHost.eu
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-KIKE, AS-RADIX, AS-STEFAN, AS-STEFAN, AS-STEFAN, AS-SYSCOMPL-DC, AS-TRANSROUTE-SPEC, AS199310:AS-DOWNSTREAM, AS214762:AS-MH, AS24724:AS-FOREIGN, AS24724:AS-FOREIGN6, AS24748:AS-IX, AS24748:AS-THINX, AS29535:AS-TPIX, AS5617:AS-PL, AS9141:AS-P4NET.

Internet exchanges

• TPIX - Internet Exchange — Warsaw, Poland
• Thinx IX — Warsaw, Poland