• 28Jul
    Categories: security Comments: 0
    Downtown Denver Driving Route

    Downtown Denver Driving Route

    On July 27th, we carried out a thorough scan of 802.11 networks in downtown Denver. A Columbus V-900 tracking device was used to log location and path, validating that all streets and alleys were traversed. Meanwhile, an iPhone 3G and Wififofum were used to detect and log detected networks, their location, and attributes.

    The area bounded by Speer Blvd to the SW, Broadway to the East, and 20th Avenue to the NE were covered. Total area traversed was approximately 1.4 square miles and 125 square blocks.

    9,522 networks were detected in ~200 minutes.

    Downtown Denver's 9,522 Wifi Networks

    Downtown Denver's 9,522 Wifi Networks

    Security

    Strong (45%)

    • WPA2: 2418 (25.3%)
    • WPA: 1843 (19.4%)

    Weak (55%)

    • WEP: 3294 (34.6%)
    • None: 1967 (20.7%)

    11.8% of the networks observed were hiding their ESSID, 88.2% were broadcasting.

    On average, a new wifi network was discovered every 1.3s during the scan.

    Number of wireless networks per…

    • square mile: 6,800
    • city block: 75
    • acre: 11

    Total population of the scan area is not known. A portion of the area, though, known as the Golden Triangle, has a population of 630 residents. In that neighborhood, 1506 networks were detected, for a total of 2.4 access points per person.

    Downtown, pass 0 KML, Golden Triangle
    Downtown, pass 1 KML, 17th to 20th
    Downtown, pass 2 KML, Champa to Court
    Downtown, pass 3 KML, Arapahoe to Wynkoop
    Downtown, pass 4 KML, Commons Parks, Speer, Colfax

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