AS31634 — HEMAB

AS31634 announces 2 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

HEMAB is the AS handle for HEMAB Servanet AB, a Swedish municipal energy and broadband operator.

What it's used for

• The address space carries broadband customer traffic, evidenced by reverse DNS entries like host-83-166-10-0.serva.net and netnames SE-SERVANET1-20040524.
• The AS announces 4096 IPv4 addresses across 2 prefixes with only 1 observed neighbour, a ratio indicating a local access or eyeball network rather than a transit provider.

Notable

• Registrants for both announced prefixes are listed as Servanet AB, which aligns with the registry holder HEMAB Servanet AB and the serva.net domain in reverse DNS.
• HEMAB is a municipal utility in Sundsvall, Sweden, where Servanet operates as its broadband division, managing fiber infrastructure and digital services for the region.
• The inventory consists of two contiguous /21 blocks (83.166.8.0/21 and 83.166.16.0/21) with no IPv6 prefixes announced.

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

Announced prefixes

• 83.166.8.0/21
• 83.166.16.0/21

Upstream networks

• AS31507 Servanet AB

Adjacent networks

• AS31507 Servanet AB