AS16164 — SOHONET-AS Sohonet Transit Network

AS16164 announces 3 IPv4 prefixes covering 2,560 addresses and 1 IPv6 prefixes.

About this network

Three countries, three company entities, three domains, and three different reverse naming schemes.

What it's used for

• A transit network. Three IPv4 prefixes and one IPv6 block announced from the United Kingdom, two thousand five hundred and sixty addresses, across ninety-seven observed BGP neighbours.

Notable

• All nine queried addresses answered. Each block uses a different convention: one prefixes the brand's short form to the four numbers in hyphens, one prefixes a three-letter country abbreviation, and the third runs that abbreviation straight into the last number and then gives the first three numbers.
• The three blocks answer on three different domains, one national, one generic and one for a third country, so the same company is publishing under three names at once.
• The registrants match: the same brand appears under three legal forms in three jurisdictions, and the third lists an incident response team object rather than a plain abuse role.
• One netname is address-derived, naming a range four times larger than the block announced from it.
• Another carries an extra word between the brand and the date that appears again in a contact name.

Interesting

• Ninety-seven peers for two and a half thousand addresses is the clearest signal in this record. The business is moving other people's traffic between facilities, and the address space is only there to number the equipment doing it.
• Naming schemes diverge by office, not by design. Each site named its own zone, and nobody ever had a reason to make them agree.

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

Announced prefixes

• 94.143.248.0/21
• 173.0.175.0/24
• 203.83.203.0/24
• 2a02:23a8::/32

Upstream networks

• AS4826 Vocus Connect International Backbone
• AS6461 Zayo Bandwidth
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB
• AS34549 meerfarbig GmbH & Co. KG
• AS49915 Megaport (UK) Limited
• AS24482 SG.GS
• AS50304 Blix Solutions AS
• AS48185 team.blue NV
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS31500 Global Network Management Inc
• AS64073 Vetta Group
• AS33891 Core-Backbone GmbH
• AS8218 Zayo Infrastructure France SA
• AS3741 Dimension Data
• AS37100 SEACOM Limited
• AS57463 NetIX Communications JSC
• AS12552 GlobalConnect AB
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS29075 IELO-LIAZO SERVICES SAS
• AS20562 Broadband Hosting B.V.
• AS12779 IT.Gate S.p.A.

Downstream networks

• AS5555 Sohonet Limited
• AS24380 Sohonet Asia Pacific IP network
• AS36032 WARNER BROS ENTERTAINMENT INC

Adjacent networks

• AS5555 Sohonet Limited
• AS6461 Zayo Bandwidth
• AS2914 NTT America, Inc.
• AS24380 Sohonet Asia Pacific IP network
• AS4826 Vocus Connect International Backbone
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS36032 WARNER BROS ENTERTAINMENT INC
• AS24482 SG.GS
• AS17639 Converge ICT Solutions Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS7575 Australian Academic and Research Network (AARNet)
• AS49915 Megaport (UK) Limited
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS57463 NetIX Communications JSC
• AS22652 Videotron Ltee
• AS50300 CustodianDC Limited
• AS3741 Dimension Data
• AS31500 Global Network Management Inc
• AS12552 GlobalConnect AB
• AS37100 SEACOM Limited
• AS48362 Stadtwerke Feldkirch
• AS12779 IT.Gate S.p.A.
• AS20562 Broadband Hosting B.V.

Internet exchanges

• LINX LON1 — London, United Kingdom
• Coresite - Any2 West — Los Angeles, United States
• Any2 California — Los Angeles, United States
• London Network Access Point — London, United Kingdom
• DE-CIX New York — New York, United States
• Megaport IX Sydney — Sydney, Australia