AS1299 (TWELVE99 Arelion Sweden AB) has at least 107 IP address(es) with domains observed in our passive DNS data. This public page summarizes observed network coverage without publishing an ASN-wide IP seed list.
Network investigation
Observed IP samples for AS1299 are available in Profundis with history, exports, and broader context.
Continue AS1299 investigation on Profundis.io →
Frequently asked questions
What is AS1299?
AS1299 (TWELVE99 Arelion Sweden AB) 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 AS1299?
Use Profundis.io for the complete AS investigation, exports, and broader historical DNS context.
Last updated 2026-07-29.