AS59778 — SYNEXTRA-UK Synextra Limited

AS59778 announces 5 IPv4 prefixes covering 3,840 addresses and 0 IPv6 prefixes.

About this network

SYNEXTRA-UK is operated by Synextra Limited.

What it's used for

• The address space carries hosting and managed cloud infrastructure, evidenced by netnames Hosting-Heroes and UK-SYNEXTRA-20160902 associated with The Hosting Heroes Ltd and Synextra Limited.
• The AS announces 3840 IPv4 addresses across 7 prefixes and maintains 55 observed neighbours, a ratio consistent with a regional network service provider or managed service provider rather than a large-scale residential access network.
• Traffic from this AS consists of enterprise IT consumption, cloud endpoints, and managed service infrastructure, reflecting Synextra's role as a UK managed cloud service provider.

Notable

• Registrants include both Synextra Limited and The Hosting Heroes Ltd, indicating that the address inventory includes space registered under a related or acquired entity alongside the primary operator.
• The address inventory is composed of a mix of /22, /23, and /24 blocks, with the largest being 95.215.224.0/22 and 185.166.68.0/22.

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

Announced prefixes

• 91.232.124.0/23
• 95.215.224.0/22
• 178.216.247.0/24
• 185.72.92.0/22
• 185.166.68.0/22

Upstream networks

• AS8801 Rocket Fibre Ltd
• AS6939 Hurricane Electric LLC
• AS12552 GlobalConnect AB
• AS2914 NTT America, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS48185 team.blue NV
• AS7575 Australian Academic and Research Network (AARNet)
• AS37100 SEACOM Limited
• AS37721 Virtual Technologies & Solutions
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch

Adjacent networks

• AS8801 Rocket Fibre Ltd
• AS6939 Hurricane Electric LLC
• AS12552 GlobalConnect AB
• AS34549 meerfarbig GmbH & Co. KG
• AS2914 NTT America, Inc.
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS50300 CustodianDC Limited
• AS37100 SEACOM Limited
• AS24482 SG.GS
• AS48185 team.blue NV
• AS7575 Australian Academic and Research Network (AARNet)
• AS17639 Converge ICT Solutions Inc.
• AS48362 Stadtwerke Feldkirch

Routing security

• RPKI: 10 valid, 0 invalid and 3 not-found announcements; 14 ROAs.
• ASPA: none published.
• IRR: 85% of announcements registered; 13 route objects.
• Listed in as-sets: AS-34934, AS-59778, AS-BSO, AS-IXREACH, AS-MANDA-LINX-PEERS-V4, AS-MANDA-LINX-PEERS-V6, AS-METRONETUK, AS-RETN-ACTUAL-V4, AS-UKFAST:AS-CUST, AS-VOXILITY-SET, AS-VOXILITY-SET, AS-VOXILITY-SET, AS2914:AS-EUROPE, AS2914:AS-EUROPE-V6.

Internet exchanges

• LINX LON1 — London, United Kingdom
• LINX Manchester — Manchester, United Kingdom