AS211047 — SIECISWIATLOWODOWE-AS Sieci Swiatlowodowe Sp. z o.o.

AS211047 announces 3 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

SIECISWIATLOWODOWE-AS is operated by Sieci Swiatlowodowe Sp. z o.o.

What it's used for

• The address space carries residential fiber broadband traffic, evidenced by reverse DNS entries such as ip-160-128.isp.webteam.pl and netnames PL-SIECISWIATLOWODOWE-20171024 and PL-SIECISWIATLOWODOWE-20210712.
• The AS announces 1792 IPv4 addresses across 3 prefixes and maintains 5 observed neighbours, a ratio indicative of an access network providing last-mile connectivity rather than transit.
• Traffic originates from subscriber endpoints connected via the operator's fiber infrastructure in the Sosnowiec region of Poland.

Notable

• Registrants for the largest prefixes (185.227.192.0/22 and 193.9.125.0/24) align with the announcer, identified as Sieci Swiatlowodowe Sp. z o.o., while the 91.232.160.0/23 prefix is registered to WEBTEAM informatyka sp. z o.o.
• The address inventory consists of three distinct IPv4 blocks with no IPv6 prefixes in the current inventory.

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

Announced prefixes

• 91.232.160.0/23
• 185.227.192.0/22
• 193.9.125.0/24

Upstream networks

• AS12912 T-Mobile Polska S.A.
• AS24482 SG.GS

Downstream networks

• AS207789 SUPER NET SA

Adjacent networks

• AS12912 T-Mobile Polska S.A.
• AS207789 SUPER NET SA
• AS24482 SG.GS

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-EP-POLMIX, AS-IPARTNERS, AS211047:AS-SIECISWIATLOWODOWE, AS43326:AS-AEGIS, AS8246:AS-TPNET.