AS29672 — STEK-AS S:t Erik Kommunikation AB

AS29672 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

The AS handle STEK-AS is held by St Erik Kommunikation AB.

What it's used for

• The address space carries corporate infrastructure for the City of Stockholm, evidenced by reverse DNS entries such as winmedia.itc.edu.stockholm.se, ppjobbtorg.stockholm.se, and jobbistan.stockholm.se.
• The network announces 4096 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, while maintaining 20 observed neighbours, indicating a role focused on internal corporate connectivity rather than large-scale residential access.

Notable

• All registrants for the announced prefixes are consistent with the announcer, listing S:t Erik Kommunikation AB as the administrative and technical contact under the netname SE-STOKAB-20000929.
• The address inventory consists of four contiguous IPv4 blocks within the 217.21.224.0/21 range and a single /32 IPv6 prefix, reflecting a finely subdivided internal estate.

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

Announced prefixes

• 217.21.224.0/20
• 2a03:c780::/32

Upstream networks

• AS1257 Tele2 Sverige AB
• AS8473 Bahnhof AB
• AS6939 Hurricane Electric LLC
• AS50304 Blix Solutions AS
• AS3303 Swisscom (Schweiz) AG
• AS24482 SG.GS
• AS20764 CJSC RASCOM
• AS12552 GlobalConnect AB
• AS20473 The Constant Company, LLC

Adjacent networks

• AS1257 Tele2 Sverige AB
• AS8473 Bahnhof AB
• AS6939 Hurricane Electric LLC
• AS50304 Blix Solutions AS
• AS3303 Swisscom (Schweiz) AG
• AS24482 SG.GS
• AS12552 GlobalConnect AB
• AS20473 The Constant Company, LLC
• AS20764 CJSC RASCOM

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 7 route objects.
• Listed in as-sets: AS-BAHNHOF, AS-HURRICANEV6, AS-TELE2-SE, AS-TELENORSE-CUST, AS29518:AS-BREDBAND2, AS39870:AS-NETNOD-SERVICES.