AS201933 — AS4NET 4net Technologies Ltd

AS201933 announces 4 IPv4 prefixes covering 2,048 addresses and 1 IPv6 prefixes.

About this network

AS4NET is operated by 4net Technologies Ltd.

What it's used for

• The address space carries infrastructure for 4net Technologies, with netnames UK-4NET-20180625, UK-4NET-20020114, and UK-4NET-20020628 registered to the company.
• The AS announces 2048 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, while maintaining 54 observed neighbours; this ratio of limited address space to high peering count indicates a transit or network service provider role.
• As a Network Service Provider (NSP) in Europe, the traffic consists of upstream transit and interconnection for client networks rather than direct residential subscriber access.

Notable

• Registrants for the majority of prefixes align with the announcer, listing Network Administration; 4net Technologies Ltd; Abuse-C Role.
• The prefix 45.90.42.0/24 is registered under the netname AssignedtoDatumforBackupDataCentre, indicating a specific allocation for backup data centre operations.
• The inventory includes a mix of older allocations dating to 2002 and newer blocks from 2018, alongside a single IPv6 prefix.

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

Announced prefixes

• 45.90.42.0/24
• 80.247.222.0/23
• 91.193.116.0/22
• 213.193.250.0/24
• 2a06:40c0::/29

Upstream networks

• AS6939 Hurricane Electric LLC
• AS3356 Level 3 Parent, LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS48185 team.blue NV
• AS48362 Stadtwerke Feldkirch
• AS33891 Core-Backbone GmbH
• AS50304 Blix Solutions AS
• AS37100 SEACOM Limited
• AS3741 Dimension Data
• AS37721 Virtual Technologies & Solutions
• AS25091 IP-Max SA
• AS9002 RETN Limited

Downstream networks

• AS207673 Perform Content Services Limited
• AS212797 Perform Content Services Limited
• AS43525 Oculon LLP
• AS199710 DAZN MEDIA SERVICES LIMITED

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS212797 Perform Content Services Limited
• AS207673 Perform Content Services Limited
• AS3356 Level 3 Parent, LLC
• AS43525 Oculon LLP
• AS199710 DAZN MEDIA SERVICES LIMITED
• AS3223 Voxility LLP
• AS34549 meerfarbig GmbH & Co. KG
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS50300 CustodianDC Limited
• AS3741 Dimension Data
• AS37100 SEACOM Limited
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS33891 Core-Backbone GmbH
• AS48185 team.blue NV
• AS48362 Stadtwerke Feldkirch
• AS9002 RETN Limited
• AS25091 IP-Max SA

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 7 route objects.
• Listed in as-sets: AS-HURRICANE, AS-HURRICANEV6, AS-TRANSROUTE-SPEC, AS201933:AS-01T, AS201933:AS-ALL.

Internet exchanges

• LINX LON1 — London, United Kingdom