AS56478 — BCUBE-AS Hyperoptic Ltd

Network type: residential

AS56478 announces 24 IPv4 prefixes covering 141,312 addresses and 1 IPv6 prefixes.

About this network

BCUBE-AS is operated by Hyperoptic Ltd.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries pointing to bcube.co.uk and registrant netnames such as UK-BCUBE-19900326 and UK-BCUBE-19900110.
• The AS announces 141,312 IPv4 addresses across 42 prefixes and maintains 92 observed neighbours, a ratio consistent with a regional access network rather than a transit provider.
• Traffic consists of subscriber eyeballs for Hyperoptic's fibre-to-the-home service, which provides high-speed internet to residential customers in the United Kingdom.

Notable

• All sampled registrants are listed as Hyperoptic Ltd, aligning with the AS holder and confirming consistent ownership of the announced space.
• Hyperoptic Ltd was incorporated in 2010 as bcube Limited and subsequently rebranded to Hyperoptic, explaining the retention of the bcube domain in reverse DNS records.
• The inventory includes a mix of legacy and modern prefixes, with the largest block being 143.58.128.0/17, reflecting the company's growth and acquisition of address space over time.

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

Announced prefixes

• 31.14.248.0/22
• 37.156.72.0/22
• 68.168.32.0/19
• 88.98.192.0/18
• 89.32.120.0/22
• 89.34.164.0/22
• 89.35.196.0/22
• 89.36.64.0/21
• 89.39.136.0/21
• 89.44.40.0/22
• 93.115.192.0/22
• 137.220.64.0/18
• 140.228.32.0/19
• 140.228.64.0/19
• 141.0.144.0/20
• 143.58.128.0/17
• 152.37.64.0/18
• 185.24.120.0/22
• 188.172.144.0/20
• 188.210.208.0/21
• 188.211.160.0/22
• 188.213.136.0/22
• 188.214.8.0/21
• 209.35.64.0/19
• 2a01:4b00::/32

Upstream networks

• AS6939 Hurricane Electric LLC
• AS6461 Zayo Bandwidth
• AS2914 NTT America, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS33891 Core-Backbone GmbH
• AS24482 SG.GS
• AS48185 team.blue NV
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS3741 Dimension Data
• AS6797 GlobalConnect AB
• AS37721 Virtual Technologies & Solutions
• AS12779 IT.Gate S.p.A.
• AS29075 IELO-LIAZO SERVICES SAS
• AS20562 Broadband Hosting B.V.
• AS48362 Stadtwerke Feldkirch
• AS4657 StarHub Ltd
• AS3216 PJSC "Vimpelcom"
• AS37100 SEACOM Limited
• AS31500 Global Network Management Inc
• AS8218 Zayo Infrastructure France SA

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS6461 Zayo Bandwidth
• AS2914 NTT America, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS33891 Core-Backbone GmbH
• AS24482 SG.GS
• AS50300 CustodianDC Limited
• AS48185 team.blue NV
• AS12779 IT.Gate S.p.A.
• AS3741 Dimension Data
• AS6797 GlobalConnect AB
• AS17639 Converge ICT Solutions Inc.
• AS37721 Virtual Technologies & Solutions
• AS29075 IELO-LIAZO SERVICES SAS
• AS20562 Broadband Hosting B.V.
• AS48362 Stadtwerke Feldkirch
• AS3216 PJSC "Vimpelcom"
• AS4657 StarHub Ltd
• AS37100 SEACOM Limited
• AS31500 Global Network Management Inc
• AS8218 Zayo Infrastructure France SA

Routing security

• RPKI: 171 valid, 0 invalid and 0 not-found announcements; 189 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 195 route objects.
• Listed in as-sets: AS-BCUBE, AS-CONNETU-LINX, AS-JARMTELCO, AS-LONAP-CONNECTED, AS-LONAP-MLP, AS-LONAP-MLP-V6, AS-MANDA-LINX-PEERS-V4, AS-MANDA-LINX-PEERS-V6, AS2914:AS-EUROPE, AS2914:AS-EUROPE-V6.

Internet exchanges

• LINX LON1 — London, United Kingdom
• London Network Access Point — London, United Kingdom
• LINX Manchester — Manchester, United Kingdom