AS51647 — Gemeente-Amsterdam Gemeente Amsterdam

AS51647 announces 4 IPv4 prefixes covering 3,584 addresses and 2 IPv6 prefixes.

About this network

GEMEENTE-AMSTERDAM is operated by Gemeente Amsterdam, the municipal government of Amsterdam.

What it's used for

• The address space carries municipal IT infrastructure, as indicated by netnames NL-DIRECTIE-DDV-20101014 and NL-DIENST-ICT-20101014 registered to Gemeente Amsterdam.
• The AS announces 3,584 IPv4 addresses across 4 prefixes and 3 IPv6 prefixes, with only 1 observed neighbour, indicating a small, self-contained internal network rather than a transit or access provider.
• Traffic from this AS consists of internal municipal services, administrative endpoints, and city infrastructure systems managed by the city's IT department.

Notable

• All registrants match the announcer, with Gemeente Amsterdam listed for all four IPv4 prefixes.
• The address inventory is finely subdivided into small blocks, consistent with an internal corporate estate segmented by department or site.

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

Announced prefixes

• 46.17.24.0/21
• 194.13.133.0/24
• 194.104.80.0/22
• 194.104.84.0/24
• 2a04:9fc0::/29
• 2a07:3500:1020::/46

Upstream networks

• AS39686 Eurofiber Nederland BV

Adjacent networks

• AS39686 Eurofiber Nederland BV

Routing security

• RPKI: 6 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 83% of announcements registered; 6 route objects.
• Listed in as-sets: AS-EUROFIBER-CUSTOMERS, AS-XO-B.