User Tools

Site Tools


projects:wifi:scan_1

This is an old revision of the document!


Project Wifi Scanner: Data Scan 1

I was curious to see how much I could detect with an off the shelf setup. Here are the numbers so far:

Raw size: 2,077,031,816 bytes (2.0Gb) (14,991,993 lines of tcpdump data)
2019-09-11 22:21 to 2019-09-19 06:13 (approx 7 days, 7 hours and 52 minutes) 10,554 minutes
Unique MAC addresses seen: 68,298

General MAC address packet count distribution

MAC addresses seen only once at all25,318
MAC addresses seen 2-9 times 37,436
MAC addresses seen 10-99 times 4,917
MAC addresses seen 100-999 times 399
MAC addresses seen 1,000-9,999 times 119
MAC addresses seen 10,000-99,999 times 74
MAC addresses seen 100,000-999,999 times 42
MAC addresses seen 1million+ times 4

How many MAC addresses were seen in distinct minutes

If a MAC address is observed at least once in any single minute long period (they could be consecutive minutes), how many times does that happen?

MAC addresses seen 1 distinct minute/time61,666
MAC addresses seen on 2 distinct minutes2,859
MAC addresses seen on 3 distinct minutes1,030
MAC addresses seen on 4 distinct minutes558
MAC addresses seen on 5 distinct minutes336
MAC addresses seen on 6 distinct minutes217
MAC addresses seen on 7 distinct minutes151
MAC addresses seen on 8 distinct minutes137
MAC addresses seen on 9 distinct minutes 97
MAC addresses seen on 10 distinct minutes 89
MAC addresses seen on 11 distinct minutes 86
MAC addresses seen on 12 distinct minutes 79
MAC addresses seen on 13 distinct minutes 62
MAC addresses seen on 14 distinct minutes 40
MAC addresses seen on 15 distinct minutes 37
MAC addresses seen on 16 distinct minutes 38
MAC addresses seen on 17 distinct minutes 24
MAC addresses seen on 18 distinct minutes 36
MAC addresses seen on 19 distinct minutes 27
MAC addresses seen on 20 distinct minutes 19
MAC addresses seen on 21 distinct minutes 18
MAC addresses seen on 22 distinct minutes 19
MAC addresses seen on 23 distinct minutes 16
MAC addresses seen on 24 distinct minutes 9
MAC addresses seen on 25 distinct minutes 17
MAC addresses seen on 26 distinct minutes 15
MAC addresses seen on 27 distinct minutes 7
MAC addresses seen in 28 distinct minutes 8
MAC addresses seen in 29 distinct minutes 6
MAC addresses seen in 30 distinct minutes 9
MAC addresses seen in 31 distinct minutes 10
MAC addresses seen in 32 distinct minutes 7
MAC addresses seen in 33 distinct minutes 6
MAC addresses seen in 34 distinct minutes 6
MAC addresses seen in 35 distinct minutes 10
MAC addresses seen in 36 distinct minutes 11
MAC addresses seen in 37 distinct minutes 12
MAC addresses seen in 38 distinct minutes 13
MAC addresses seen in 39 distinct minutes 5
MAC addresses seen in 40 distinct minutes 7
MAC addresses seen in 41 distinct minutes 4
MAC addresses seen in 42 distinct minutes 5
MAC addresses seen in 43 distinct minutes 7
MAC addresses seen in 44 distinct minutes 7
MAC addresses seen in 45 distinct minutes 7
MAC addresses seen in 46 distinct minutes 3
MAC addresses seen in 47 distinct minutes 7
MAC addresses seen in 48 distinct minutes 4
MAC addresses seen in 49 distinct minutes 3
MAC addresses seen in 50 distinct minutes 4
MAC addresses seen in 51 distinct minutes 1
MAC addresses seen in 52 distinct minutes 1
MAC addresses seen in 53 distinct minutes 6
MAC addresses seen in 54 distinct minutes 1
MAC addresses seen in 55 distinct minutes 2
MAC addresses seen in 56 distinct minutes 5
MAC addresses seen in 57 distinct minutes 6
MAC addresses seen in 58 distinct minutes 3
MAC addresses seen in 59 distinct minutes 2
MAC addresses seen in 60 distinct minutes 2
MAC addresses seen in 61 distinct minutes 4
MAC addresses seen in 62 distinct minutes 5
MAC addresses seen in 63 distinct minutes 3
MAC addresses seen in 64 distinct minutes 2
MAC addresses seen in 65 distinct minutes 6
MAC addresses seen in 66 distinct minutes 3
MAC addresses seen in 67 distinct minutes 3
MAC addresses seen in 68 distinct minutes 1
MAC addresses seen in 69 distinct minutes 6
MAC addresses seen in 70 distinct minutes 2
MAC addresses seen in 71 distinct minutes 1
MAC addresses seen in 72 distinct minutes 1
MAC addresses seen in 73 distinct minutes 1
MAC addresses seen in 74 distinct minutes 1
MAC addresses seen in 75 distinct minutes 4
MAC addresses seen in 77 distinct minutes 1
MAC addresses seen in 78 distinct minutes 1
MAC addresses seen in 79 distinct minutes 1
MAC addresses seen in 80 distinct minutes 1
MAC addresses seen in 82 distinct minutes 1
MAC addresses seen in 83 distinct minutes 2
MAC addresses seen in 84 distinct minutes 1
MAC addresses seen in 85 distinct minutes 2
MAC addresses seen in 86 distinct minutes 5
MAC addresses seen in 87 distinct minutes 2
MAC addresses seen in 89 distinct minutes 2
MAC addresses seen in 90 distinct minutes 1
MAC addresses seen in 92 distinct minutes 4
MAC addresses seen in 93 distinct minutes 2
MAC addresses seen in 94 distinct minutes 4
MAC addresses seen in 95 distinct minutes 2
MAC addresses seen in 96 distinct minutes 1
MAC addresses seen in 97 distinct minutes 3
MAC addresses seen in 99 distinct minutes 2
MAC addresses seen in 101 distinct minutes 1
MAC addresses seen in 103 distinct minutes 1
MAC addresses seen in 104 distinct minutes 1
MAC addresses seen in 106 distinct minutes 1
MAC addresses seen in 108 distinct minutes 1
MAC addresses seen in 109 distinct minutes 2
MAC addresses seen in 110 distinct minutes 1
MAC addresses seen in 111 distinct minutes 2
MAC addresses seen in 112 distinct minutes 1
MAC addresses seen in 114 distinct minutes 1
MAC addresses seen in 115 distinct minutes 1
MAC addresses seen in 117 distinct minutes 2
MAC addresses seen in 118 distinct minutes 3
MAC addresses seen in 119 distinct minutes 3
MAC addresses seen in 120 distinct minutes 1
MAC addresses seen in 121 distinct minutes 1
MAC addresses seen in 123 distinct minutes 3
MAC addresses seen in 124 distinct minutes 1
MAC addresses seen in 128 distinct minutes 2
MAC addresses seen in 129 distinct minutes 1
MAC addresses seen in 132 distinct minutes 2
MAC addresses seen in 133 distinct minutes 1
MAC addresses seen in 135 distinct minutes 1
MAC addresses seen in 136 distinct minutes 1
MAC addresses seen in 137 distinct minutes 2
MAC addresses seen in 138 distinct minutes 1
MAC addresses seen in 139 distinct minutes 1
MAC addresses seen in 140 distinct minutes 1
MAC addresses seen in 141 distinct minutes 3
MAC addresses seen in 142 distinct minutes 2
MAC addresses seen in 143 distinct minutes 2
MAC addresses seen in 144 distinct minutes 1
MAC addresses seen in 145 distinct minutes 1
MAC addresses seen in 146 distinct minutes 1
MAC addresses seen in 147 distinct minutes 3
MAC addresses seen in 149 distinct minutes 1
MAC addresses seen in 150 distinct minutes 1
MAC addresses seen in 152 distinct minutes 1
MAC addresses seen in 153 distinct minutes 1
MAC addresses seen in 154 distinct minutes 1
MAC addresses seen in 156 distinct minutes 2
MAC addresses seen in 158 distinct minutes 2
MAC addresses seen in 159 distinct minutes 2
MAC addresses seen in 161 distinct minutes 2
MAC addresses seen in 162 distinct minutes 1
MAC addresses seen in 163 distinct minutes 1
MAC addresses seen in 165 distinct minutes 1
MAC addresses seen in 173 distinct minutes 1
MAC addresses seen in 174 distinct minutes 1
MAC addresses seen in 175 distinct minutes 1
MAC addresses seen in 177 distinct minutes 1
MAC addresses seen in 178 distinct minutes 1
MAC addresses seen in 180 distinct minutes 1
MAC addresses seen in 181 distinct minutes 1
MAC addresses seen in 183 distinct minutes 1
MAC addresses seen in 184 distinct minutes 1
MAC addresses seen in 186 distinct minutes 1
MAC addresses seen in 190 distinct minutes 1
MAC addresses seen in 197 distinct minutes 2
MAC addresses seen in 198 distinct minutes 1
MAC addresses seen in 199 distinct minutes 1
MAC addresses seen in 200 distinct minutes 2
MAC addresses seen in 202 distinct minutes 1
MAC addresses seen in 204 distinct minutes 1
MAC addresses seen in 205 distinct minutes 1
MAC addresses seen in 208 distinct minutes 1
MAC addresses seen in 214 distinct minutes 1
MAC addresses seen in 216 distinct minutes 2
MAC addresses seen in 220 distinct minutes 1
MAC addresses seen in 222 distinct minutes 1
MAC addresses seen in 230 distinct minutes 2
MAC addresses seen in 232 distinct minutes 1
MAC addresses seen in 234 distinct minutes 1
MAC addresses seen in 239 distinct minutes 1
MAC addresses seen in 253 distinct minutes 1
MAC addresses seen in 273 distinct minutes 1
MAC addresses seen in 278 distinct minutes 1
MAC addresses seen in 279 distinct minutes 1
MAC addresses seen in 282 distinct minutes 1
MAC addresses seen in 283 distinct minutes 2
MAC addresses seen in 284 distinct minutes 2
MAC addresses seen in 287 distinct minutes 1
MAC addresses seen in 291 distinct minutes 1
MAC addresses seen in 292 distinct minutes 1
MAC addresses seen in 305 distinct minutes 1
MAC addresses seen in 312 distinct minutes 1
MAC addresses seen in 315 distinct minutes 3
MAC addresses seen in 320 distinct minutes 1
MAC addresses seen in 321 distinct minutes 1
MAC addresses seen in 325 distinct minutes 1
MAC addresses seen in 329 distinct minutes 1
MAC addresses seen in 335 distinct minutes 1
MAC addresses seen in 342 distinct minutes 1
MAC addresses seen in 343 distinct minutes 1
MAC addresses seen in 344 distinct minutes 1
MAC addresses seen in 345 distinct minutes 1
MAC addresses seen in 349 distinct minutes 2
MAC addresses seen in 366 distinct minutes 1
MAC addresses seen in 385 distinct minutes 1
MAC addresses seen in 386 distinct minutes 1
MAC addresses seen in 388 distinct minutes 1
MAC addresses seen in 389 distinct minutes 1
MAC addresses seen in 394 distinct minutes 1
MAC addresses seen in 401 distinct minutes 2
MAC addresses seen in 404 distinct minutes 1
MAC addresses seen in 405 distinct minutes 1
MAC addresses seen in 409 distinct minutes 1
MAC addresses seen in 410 distinct minutes 1
MAC addresses seen in 412 distinct minutes 1
MAC addresses seen in 415 distinct minutes 1
MAC addresses seen in 416 distinct minutes 1
MAC addresses seen in 417 distinct minutes 2
MAC addresses seen in 433 distinct minutes 1
MAC addresses seen in 437 distinct minutes 1
MAC addresses seen in 445 distinct minutes 1
MAC addresses seen in 462 distinct minutes 1
MAC addresses seen in 472 distinct minutes 1
MAC addresses seen in 474 distinct minutes 1
MAC addresses seen in 492 distinct minutes 1
MAC addresses seen in 504 distinct minutes 1
MAC addresses seen in 512 distinct minutes 1
MAC addresses seen in 515 distinct minutes 1
MAC addresses seen in 516 distinct minutes 1
MAC addresses seen in 519 distinct minutes 1
MAC addresses seen in 524 distinct minutes 1
MAC addresses seen in 529 distinct minutes 1
MAC addresses seen in 538 distinct minutes 1
MAC addresses seen in 544 distinct minutes 1
MAC addresses seen in 552 distinct minutes 1
MAC addresses seen in 557 distinct minutes 2
MAC addresses seen in 562 distinct minutes 1
MAC addresses seen in 573 distinct minutes 1
MAC addresses seen in 574 distinct minutes 1
MAC addresses seen in 575 distinct minutes 1
MAC addresses seen in 581 distinct minutes 1
MAC addresses seen in 582 distinct minutes 1
MAC addresses seen in 597 distinct minutes 1
MAC addresses seen in 612 distinct minutes 1
MAC addresses seen in 620 distinct minutes 1
MAC addresses seen in 623 distinct minutes 1
MAC addresses seen in 636 distinct minutes 1
MAC addresses seen in 637 distinct minutes 1
MAC addresses seen in 661 distinct minutes 1
MAC addresses seen in 687 distinct minutes 1
MAC addresses seen in 691 distinct minutes 1
MAC addresses seen in 693 distinct minutes 1
MAC addresses seen in 714 distinct minutes 1
MAC addresses seen in 748 distinct minutes 1
MAC addresses seen in 782 distinct minutes 1
MAC addresses seen in 795 distinct minutes 1
MAC addresses seen in 802 distinct minutes 1
MAC addresses seen in 814 distinct minutes 1
MAC addresses seen in 895 distinct minutes 1
MAC addresses seen in 906 distinct minutes 1
MAC addresses seen in 919 distinct minutes 1
MAC addresses seen in 957 distinct minutes 1
MAC addresses seen in 966 distinct minutes 1
MAC addresses seen in 982 distinct minutes 1
This table continues in this fashion for another 174 lines, all 1 mac address seen 999+ times). For completeness, the full list follows1

1006, 1014, 1021, 1023, 1099, 1103, 1110, 1118, 1142, 1148, 1220, 1264, 1303, 1311, 1317, 1354, 1387, 1389, 1450, 1464, 1473, 1478, 1498, 1518, 1560, 1568, 1600, 1600, 1619, 1660, 1664, 1686, 1707, 1730, 1754, 1762, 1780, 1804, 1843, 1864, 1897, 1897, 1908, 1924, 1946, 1973, 1989, 2086, 2096, 2157, 2176, 2204, 2277, 2277, 2277, 2320, 2406, 2412, 2493, 2501, 2577, 2648, 2725, 2728, 2748, 2955, 3043, 3057, 3087, 3093, 3144, 3180, 3230, 3360, 3374, 3418, 3534, 3575, 3680, 3717, 3818, 3900, 3905, 3911, 3945, 4038, 4063, 4106, 4234, 4364, 4388, 4421, 4498, 4508, 4574, 4596, 4617, 5239, 5259, 5892, 5980, 6141, 6145, 6430, 6675, 8346, 8658, 8797, 8812, 8888, 8942, 8953, 9097, 9099, 9231, 9352, 9524, 9569, 9585, 9788, 9928, 10099, 10107, 10202, 10246, 10282, 10288, 10363, 10389, 10441, 10447, 10449, 10479, 10493, 10502, 10523, 10523, 10523, 10527, 10527, 10529, 10529, 10537, 10537, 10541, 10554

i.e. I saw a single unique MAC address in 1006 distinct 1 minute periods, and 1014 periods all the way up to obvious nearby equipment (possibly on my network) 10554 minutes in a week (out of a possible 10,554 minutes).

Roughly speaking I saw approximately 30 devices 90% of the time the scan was running (these must be equipment in my flat or in the neighbouring properties).

projects/wifi/scan_1.1570639133.txt.gz · Last modified: 2019/10/09 17:38 by neil