AS213736 — UK-ASN Zantan GmbH

AS213736 announces 18 IPv4 prefixes covering 5,632 addresses and 1 IPv6 prefixes.

About this network

The AS handle UK-ASN is held by Zantan GmbH.

What it's used for

• The address space carries diverse registrants including "Internet Utilities Europe and Asia Limited", "Cloud Innovation Ltd", "Legend Next (UK) Limited", and multiple "Private Customer" entries.
• With 5,632 IPv4 addresses announced across 18 prefixes and only 1 observed neighbour, the network functions as a hosting or business access point rather than a transit provider.
• Traffic from this AS consists of web endpoints, API services, and private customer infrastructure hosted within the allocated blocks.

Notable

• Registrants vary significantly across prefixes, with "Internet Utilities Europe and Asia Limited" holding the largest block (82.27.184.0/22) and "Private Customer" appearing on eight separate /24 prefixes.
• The address inventory is fragmented, consisting of one /22, one /23, and sixteen /24 prefixes, indicating a collection of leased or acquired blocks rather than a single contiguous allocation.

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

Announced prefixes

• 45.200.108.0/23
• 82.27.184.0/22
• 151.242.245.0/24
• 151.242.247.0/24
• 151.242.249.0/24
• 151.242.250.0/24
• 151.243.34.0/24
• 151.243.37.0/24
• 151.243.43.0/24
• 151.243.44.0/24
• 151.243.50.0/24
• 151.243.52.0/24
• 151.243.58.0/24
• 154.85.67.0/24
• 154.85.71.0/24
• 154.92.28.0/24
• 154.92.31.0/24
• 156.251.70.0/24
• 2a14:cc00:e001::/48

Upstream networks

• AS139057 Edgenext Legend Dynasty Pte. Ltd.

Adjacent networks

• AS139057 Edgenext Legend Dynasty Pte. Ltd.

Routing security

• RPKI: 24 valid, 0 invalid and 0 not-found announcements; 34 ROAs.
• ASPA: none published.
• IRR: 96% of announcements registered; 47 route objects.
• Listed in as-sets: AS-C3, AS-RETN-ACTUAL-V4, AS-ZENLAYER, AS139057:AS-CONE, AS139057:AS-CONE, AS3216:AS-CONE.