AS51185 — MAINSTREAMING-AS

Network type: mobile

AS51185 announces 10 IPv4 prefixes covering 6,144 addresses and 18 IPv6 prefixes.

About this network

Tesco Mobile — a UK mobile virtual network operator (MVNO) that runs on O2's radio network but holds its own ASN for its data services.

What it's used for

• Mobile data for UK Tesco Mobile subscribers, carried over the O2 (Virgin Media O2) network.

Notable

• A consumer "eyeball" network — addresses map to mobile handsets, typically behind carrier-grade NAT.
• An MVNO: Tesco Mobile owns no radio spectrum of its own and rides O2's infrastructure, but operates its own IP network under this ASN.

Interesting

• Tesco Mobile is a joint venture between the Tesco supermarket group and O2, one of the UK's most successful MVNO brands.

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

Announced prefixes

• 45.157.64.0/22
• 94.124.64.0/23
• 94.124.67.0/24
• 94.124.68.0/22
• 178.248.48.0/22
• 178.248.52.0/23
• 178.248.54.0/24
• 185.45.208.0/24
• 185.45.211.0/24
• 185.187.156.0/22
• 2a02:2890:efff::/48
• 2a02:2890:ffff::/48
• 2a02:2891::/46
• 2a02:2891:4::/48
• 2a02:2891:9::/48
• 2a02:2891:10::/48
• 2a02:2891:12::/47
• 2a02:2891:15::/48
• 2a02:2891:16::/48
• 2a02:2891:18::/48
• 2a02:2891:29::/48
• 2a02:2891:ff::/48
• 2a02:2891:157::/48
• 2a02:2891:160::/48
• 2a02:2892:32::/48
• 2a02:2892:40::/48
• 2a02:2892:53::/48
• 2a02:2893:158::/48

Upstream networks

• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS1299 Arelion Sweden AB
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS34549 meerfarbig GmbH & Co. KG
• AS24482 SG.GS
• AS50304 Blix Solutions AS
• AS34428 Giulio Lo Presti
• AS50673 Serverius Holding B.V.
• AS50628 Leonix Telecom SAS
• AS48185 team.blue NV
• AS204092 Association GRIFON
• AS1836 green.ch AG
• AS37721 Virtual Technologies & Solutions
• AS57463 NetIX Communications JSC
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS37100 SEACOM Limited
• AS3320 Deutsche Telekom AG
• AS48362 Stadtwerke Feldkirch
• AS34927 iFog GmbH
• AS59919 Brainbox S.r.l.
• AS206499 LOCIX LIMITED
• AS6696 VERIXI SA

Adjacent networks

• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS1299 Arelion Sweden AB
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS34549 meerfarbig GmbH & Co. KG
• AS24482 SG.GS
• AS50304 Blix Solutions AS
• AS34428 Giulio Lo Presti
• AS50673 Serverius Holding B.V.
• AS48185 team.blue NV
• AS50628 Leonix Telecom SAS
• AS204092 Association GRIFON
• AS1836 green.ch AG
• AS57463 NetIX Communications JSC
• AS37721 Virtual Technologies & Solutions
• AS50300 CustodianDC Limited
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS37100 SEACOM Limited
• AS3320 Deutsche Telekom AG
• AS48362 Stadtwerke Feldkirch
• AS34927 iFog GmbH
• AS59919 Brainbox S.r.l.
• AS6696 VERIXI SA
• AS206499 LOCIX LIMITED

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• Neutral Internet Exchange — Amsterdam, Netherlands
• France-IX Paris — Paris, France
• Equinix Internet Exchange Singapore — Singapore, Singapore
• Milan Internet Exchange — Milan, Italy
• Coresite - Any2 West — Los Angeles, United States
• Any2 California — Los Angeles, United States
• NetIX — Sofia, Bulgaria
• NetIX Greece — Thessaloniki, Greece
• DE-CIX Dusseldorf — Düsseldorf, Germany
• Roma Internet Exchange Point — Rome, Italy
• New York International Internet Exchange — New York, United States
• Local Internet Exchange Frankfurt — Frankfurt, Germany
• Equinix Internet Exchange Miami — Miami, United States
• ESpanix Madrid Lower LAN — Madrid, Spain
• PIT Chile - Santiago — Santiago, Chile
• Milan Neutral Access Point — Milan, Italy
• Megaport Frankfurt IX — Frankfurt, Germany
• Megaport Dusseldorf IX — Düsseldorf, Germany
• Greek Internet Exchange - Athens — Athens, Greece