AS3303 (SWISSCOM Swisscom (Schweiz) AG) has 137 locally observed data-bearing IP address(es) in reverseips.com's runtime coverage store. This public page summarizes observed network coverage without publishing an ASN-wide IP seed list.
Network investigation
This public page intentionally publishes aggregate local coverage only, with no member-IP sample. Profundis adds ASN/CIDR context, history, exports and broader infrastructure pivots; its ASN detail view is not presented as a complete member-IP enumeration.
Continue AS3303 investigation on Profundis.io →
Frequently asked questions
What is AS3303?
AS3303 (SWISSCOM Swisscom (Schweiz) AG) is an Autonomous System — a block of IP addresses operated under a single routing policy. This page summarizes observed reverse-IP coverage for the AS.
How do I find observed domains in AS3303?
Use Profundis.io for ASN/CIDR context, exports, and broader infrastructure pivots. Its ASN detail page is not a complete enumeration of every member IP.
Last updated 2026-09-11.