AS50957 — MEMSET MEMSET Ltd

Network type: hosting

AS50957 announces 8 IPv4 prefixes covering 21,504 addresses and 1 IPv6 prefixes.

About this network

MEMSET is operated by Memset Ltd.

What it's used for

• The address space carries hosting infrastructure, evidenced by netnames such as UK-MEMSET-19991216 and registrants including IOMART NOC and MEMSET Ltd.
• The AS announces 21,504 IPv4 addresses across 8 prefixes and 1 IPv6 prefix, with a single observed neighbour, indicating a hosting or content delivery role rather than transit.
• Traffic from this AS consists of dedicated servers, cloud VPS, and IaaS endpoints serving Memset's UK-based cloud hosting customers.

Notable

• Registrants consistently list IOMART NOC, MEMSET Ltd, and IOMART ABUSE across all prefixes, reflecting the historical relationship between Memset and its parent company IOMART.
• Memset was acquired by IOMART, which explains the persistent IOMART references in the RDAP registrant data alongside the Memset brand.
• The inventory includes a large /19 block (213.170.0.0/19) alongside several /21 and /22 blocks, all located in the United Kingdom.

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

Announced prefixes

• 5.153.248.0/21
• 31.25.184.0/21
• 37.128.128.0/21
• 77.73.0.0/21
• 78.31.104.0/21
• 89.200.136.0/21
• 185.98.196.0/22
• 213.170.0.0/19
• 2a02:24e0::/32

Upstream networks

• AS20860 IOMART CLOUD SERVICES LIMITED

Adjacent networks

• AS20860 IOMART CLOUD SERVICES LIMITED

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-DEDIPOWER, AS-IOMART, AS-MEMSET, AS29075:AS-PEERS:AS-LINX.