Internet & Exchange Stuff

The physical connectivity of the Internet is of great fascination to me. From Submarine Cables and Cable Landing Stations to fibre ducts running up and down the country between Exchanges and POPs.

Submarine Cables & Landing Stations

The Secrets of Cornwall by Mark Thomas.

This video started my interest in searching further for the hidden buildings and ducts that make up the Internet Backbone of the UK.

Watched this video several hundred times pausing and following Mark’s journey mapping the sites he visited. Also used a number of sources like Secret Bases and Internet Maps to map other interesting sites. Some sites were found by endlessly and painfully zooming and scrolling Google Maps !

I have made up several KML files locating each these sites and the route of the GTN and other fibre cables.

My Mapped Points Of The Internet Backbone ( work in progress )

My Mapped Points of The National Grid ( work in progress )

A house that isn’t a house.

Cable landing stations come in various forms. Mainly industrial buildings but here is one on a housing estate hidden inside two houses. The inner walls and floors have been removed to house the fibre terminating equipment. The four large air con units outside give it away. The garage houses the backup generator.

Proposed Equipment Building Plan

Proposed Equipment Building Plan

Fibre Repeater Sites

Collected from a number of sources like Secret Bases and Internet Maps and some painfully located on Google Maps by endlessly zooming and scrolling !

Local Telephone Exchanges, Fibre Cables & Data Centres

SMBT Fenny Stratford Exchange / Bletchley (MK) – bRAS

BT Wholesale has ten 20/21CN bRAS which are located at Birmingham, Bletchley (MK), Ealing, Edinburgh, Ilford, Kingston, Manchester, Reading, Sheffield, Faraday. If your ISP uses BT Wholesale for routing then you can be sure that all your traffic will have passed through one of the above bRAS locations.

There are a large number of network companies present at this site as indicated by the network chamber covers outside in the street.

My Mapped BT Exchanges ( work in progress )

My Mapped Eire Telecom Exchanges ( work in progress )

Grass Area 1/2 mile from Fenny Exchange / Bletchley (MK) bRAS near Bletchley Tesco roundabout.

A number of fibre cables from the Exchange and bRAS start to run North from this small grass area just down the road towards the Centre MK and SMBA Bradwell Abbey Exchange.

A fibre cable running to the Bank of England runs under one of these network chamber covers using dark fibre provided by Zayo (formerly Geo). 186k was taken over by Geo Networks and further by Zayo, so it’s most likely under those 186k covers.

MK Data Vault Survey Document

SMBA Bradwell Abbey Exchange – Milton Keynes

Local BT Exchanges

Data Centers in Milton Keynes

Milton Keynes has a number of Data Centres. The Linford Wood area seems to have a concentration of Data Processing and Data Centre companies and fibre cables and dat a connectivity providers.

My Mapped Data Centers ( work in progress )

MK Data Vault Survey Document

MK Data Vault Glossy

Satellite Dishes at SIS Studios in Milton Keynes

Links and Stuff

Total LONAP Traffic

Secret Bases Website

Internet Maps Website

KITZ – DSL Broadband Information

The Exciting Life of Internet Packet

Interesting Article on the HFT Microwave Backbone