AS199475 KNC-AS Mazowieckie Sieci Swiatlowodowe sp. z o.o.

KNC-AS Mazowieckie Sieci Swiatlowodowe sp. z o.o. · registered in Poland

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Poland#552largest network in PL by IPv4 space, of 2,091 · 0.01% of PL

Rank worldwide#24,126of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS199475 in ASN lookup Look up an IP in this network (185.15.0.1) All networks in Poland

IPv4 prefixes

All 2 prefixes, in address order.

185.15.0.0/22
185.189.136.0/22

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS199075#549 TVEUROSAT TV-EURO-SAT SP. Z O.O.2,048

AS199265#550 Inwep Inwep Sp. z o.o.2,048

AS199338#551 ASN-AR-Net Adam Ryszewski trading as AR-NET2,048

AS199503#553 LANNET-AS Lannet S.C. Marek Komala Jerzy Lomperta2,048

AS199831#554 citimediapl Citimedia.pl Sp z o.o.2,048

AS200594#555 ASN-SOFT-PARTNER Soft Partner Szczypiorski Spolka Jawna2,048

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources