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   Statistics on IP addresses, AS numbers, and IRR services managed by JPNIC (2005)


                                                                        Last update:2006.04.19


<< Number of IPv4 assignments by size (for LIR's intrastructure) >>
---------------------------------------------------------------------------------------------
yyyy/mm| /16  /17  /18  /19  /20  /21  /22  /23  /24  /25  /26  /27  /28  /29  /30  /31  /32
---------------------------------------------------------------------------------------------
2005/01|   1    1    3    3    1    6    5    7   15    2    3    3    7    7    5    0    0
2005/02|   0    0    1    0    1    0    6    4   39    1    1    2    5    6    6    0    0
2005/03|   0    1    1    3    2    4    2    2   55    4    3    4    7   10    8    0    0
2005/04|   1    1    2    1    1    2    2    4   47    4    0    6   22   19    3    0    0
2005/05|   0    3    1    5    5    8   10    3   32    3    4    7    6    7    5    0    0
2005/06|   2    0    2    4    2    0    1    1   34    6    4    9    7   17    0    0    0
2005/07|   2    4    3    3    1    2    2    2   37  259    7    4    1    2    0    0    0
2005/08|   0    1    2    1    1    0    2    2   37    1    2    1    2    6    7    0    0
2005/09|   1    3    1    2    0    3    4    6   78    2    3    4    8    6    3    0    0
2005/10|   2    1    1    1    3    5    1    2   45    1    1    0    7    2   11    0    0
2005/11|   3    0    1    1    2    2    5    6   27    3   47    5    8   11    7    0    0
2005/12|   1    0    0    2    0    4    0    5   46    3    2    4    5    4   10    0    4
---------------------------------------------------------------------------------------------


<< Number of IPv4 assignments by size (for endsites) >>
---------------------------------------------------------------------------------------------
yyyy/mm| /16  /17  /18  /19  /20  /21  /22  /23  /24  /25  /26  /27  /28  /29  /30  /31  /32
---------------------------------------------------------------------------------------------
2005/01|   0    0    0    0    3    8    5    6   31   22   65   72  310  1852  14    0    7
2005/02|   1    1    0    0    2    1    3    9   58   35   79  104  237  1074  28    1    3
2005/03|   1    0    1    2    6   11    4    5   28   27   71  100  343  1320  33    0    6
2005/04|   1    0    0    0    0    0    3    2   33   15   53   61  250   939  20    0    3
2005/05|   1    0    1    0    1    1    6    4   23   33   50   58  425  1444  21    1    6
2005/06|   0    0    0    1    2    3   16   13   47   30  174 3680  357  2538  29    0    3
2005/07|   1    0    1    3    1    2    6    8   53  710  456 4449  338 21233  29    0    1
2005/08|   0    0    1    3    0    2    4    7   77  548  148 1466  321  8104  17    1    4
2005/09|   0    0    0    0    1    2    2    6   83  167   87  559  258  1939  26    2   11
2005/10|   0    0    0    0    0    0    3    5   82  209   99 1541  352  2939  17    1    2
2005/11|   0    0    3    1    0    2    5    2   67   98  132 1188  295  3349  10    0    3
2005/12|   0    0    0    0    2    1    7   10   55  219   76  534  390  9009  13    1    0
---------------------------------------------------------------------------------------------


<< Number of IPv4 host addresses allocated/returned >>
------------------------------------------
yyyy/mm| allocated | returned | total host
------------------------------------------
2005/01|   354304 |    28672 |   28875008
2005/02|   192512 |        0 |   29067520
2005/03|   757760 |    26624 |   29798656
2005/04|   405504 |        0 |   29825310
2005/05|   102400 |        0 |   29927710
2005/06|   313344 |        0 |   30241054
2005/07|   690176 |     8192 |   30923038
2005/08|   937984 |     8192 |   31852830
2005/09|  1392640 |        0 |   33245470
2005/10|    51200 |    24576 |   33272094
2005/11|   292864 |    16384 |   33532190
2005/12|   444416 |    28672 |   33947934
------------------------------------------


<< Number of IPv4 allocations by size >>
---------------------------------------------------------------
yyyy/mm| /12  /13  /14  /15  /16  /17  /18  /19  /20  /21  /22
---------------------------------------------------------------
2005/01|   0    0    0    2    0    0    1    3    6    5    1
2005/02|   0    0    0    1    0    0    1    3    5    0    0
2005/03|   0    0    1    3    0    1    1    3    5    4    0
2005/04|   0    0    0    1    3    1    1    1    2    6    0
2005/05|   0    0    0    0    0    2    1    1    2    2    0
2005/06|   0    0    0    2    0    0    1    2    2    5    0
2005/07|   0    0    1    2    1    2    0    2    3    2    2
2005/08|   0    1    0    1    3    1    2    1    2    2    0
2005/09|   0    1    3    0    1    0    0    1    1    2    0
2005/10|   0    0    0    0    0    0    0    4    3    3    0
2005/11|   0    0    0    1    1    1    2    2    3    1    0
2005/12|   0    0    1    0    2    0    0    2    7    3    0
---------------------------------------------------------------


<< Number of IPv4 host addresses allocated from/returned to APNIC >>
------------------------------------------
yyyy/mm| allocated | returned | total host
------------------------------------------
2005/01|   329728 |        0 |   31326464
2005/02|   208896 |        0 |   31535360
2005/03|   741376 |        0 |   32276736
2005/04|   405504 |        0 |   32682240
2005/05|   102400 |        0 |   32784640
2005/06|   313344 |        0 |   33097984
2005/07|   681984 |        0 |   33779968
2005/08|   937984 |        0 |   34717952
2005/09|  1392640 |        0 |   36110592
2005/10|    26624 |        0 |   36137216
2005/11|   276480 |        0 |   36413696
2005/12|   425984 |        0 |   36839680
------------------------------------------


<< Number of IPv4 applications processed >>
--------------------------------------------------------------------------------------------------
        |        |      |        |    second opinion   |  allocation blocks  |       SUB-A
yyyy/mm | assign |return| update | submitted  approved | allocated  returned | registered  deleted
--------------------------------------------------------------------------------------------------
2005/01 |   2729 | 1723 |   348  |    19         20    |     16         3    |     552        57
2005/02 |   2413 | 1698 |   536  |    45         42    |      9         0    |     824       269
2005/03 |   2509 | 1424 |   656  |    19         20    |     16        10    |     570        17
2005/04 |   1501 | 1616 |   374  |    28         24    |     12         0    |      62         9
2005/05 |   2121 | 1527 |   683  |    33         29    |      7         0    |      56         9
2005/06 |   7441 | 1788 |  1527  |    34         32    |     11         0    |     553         8
2005/07 |  28154 | 1666 |  1266  |    29         26    |     12         0    |     616        33
2005/08 |  10756 | 2496 |   479  |    15         16    |     11         1    |      87        64
2005/09 |   4303 | 1437 |   594  |    14         15    |      7         0    |    1107        12
2005/10 |   5470 | 1575 |   573  |    20         17    |      6         1    |     240         3
2005/11 |   5273 | 1286 |   757  |     9          8    |      5         0    |      78        11
2005/12 |   9962 | 1351 |  1508  |    19         17    |     11         3    |    1083        15
--------------------------------------------------------------------------------------------------


<< Number of IPv6 assignments by size >>
-------------------------------------------------------------------
       |  total no.of
yyyy/mm|  assignments  /40  /41  /42  /43  /44  /45  /46  /47  /48
-------------------------------------------------------------------
2005/05|      17   1    0    0    0    0    0    1    0   15
2005/06|      14   0    0    0    0    0    0    0    0   14
2005/07|      10   0    0    0    0    0    0    0    0   10
2005/08|     947      884    0    0    0    0    0    0    0   63
2005/09|      16   0    0    0    0    0    0    0    0   16
2005/10|      10   0    0    0    0    0    0    0    0   10
2005/11|    1401     1312    0    0    0    0    0    0    0   89
2005/12|       9   0    0    0    0    0    0    0    0    9
-------------------------------------------------------------------


<< Number of IPv6 allocations by size >>
-------------------------------------------------------------------------
yyyy/mm| /20  /21  /22  /23  /24  /25  /26  /27  /28  /29  /30  /31  /32
-------------------------------------------------------------------------
2005/05|   0    0    0    0    0    0    0    0    0    0    0    0    0
2005/06|   0    0    0    0    0    0    0    0    0    0    0    0    0
2005/07|   0    0    0    0    0    0    0    0    0    0    0    0    1
2005/08|   0    0    1    0    0    0    0    0    0    0    0    0    0
2005/09|   0    0    0    0    0    0    0    0    0    0    0    0    0
2005/10|   0    0    0    0    0    0    0    0    0    0    0    0    2
2005/11|   0    0    0    0    0    0    0    0    0    0    0    0    1
2005/12|   0    0    0    0    0    0    0    0    0    0    0    0    0
-------------------------------------------------------------------------


<< Number of LIRs under JPNIC management >>
-------------------------------------------
  yyyy/mm |    new   | resolved |   total
-------------------------------------------
  2005/01 |     7    |     1    |    380
  2005/02 |     0    |     1    |    379
  2005/03 |     4    |    10    |    373
  2005/04 |     4    |     0    |    377
  2005/05 |     1    |     0    |    378
  2005/06 |     2    |     0    |    380
  2005/07 |     1    |     1    |    380
  2005/08 |     3    |     1    |    382
  2005/09 |     1    |     0    |    383
  2005/10 |     0    |     1    |    382
  2005/11 |     1    |     1    |    382
  2005/12 |     3    |     4    |    381
-------------------------------------------


<< Number of LIRs under JPNIC management with IPv6 allocations >>
-------------------------------------------
  yyyy/mm |    new   | resolved |   total
-------------------------------------------
  2005/05 |      0   |      0   |    61
  2005/06 |      0   |      0   |    61
  2005/07 |      2   |      0   |    63
  2005/08 |      0   |      0   |    63
  2005/09 |      0   |      0   |    63
  2005/10 |      2   |      0   |    65
  2005/11 |      1   |      0   |    66
  2005/12 |      0   |      0   |    66
------------------------------------------


<< Number of IPv4 portable assignments >>
-------------------------------------------
  yyyy/mm | assigned | returned |   total
-------------------------------------------
  2005/01 |     2    |     0    |    10
  2005/02 |     0    |     0    |    10
  2005/03 |     0    |     0    |    10
  2005/04 |     0    |     0    |    10
  2005/05 |     0    |     0    |    10
  2005/06 |     2    |     0    |    12
  2005/07 |     2    |     0    |    14
  2005/08 |     0    |     0    |    14
  2005/09 |     0    |     0    |    14
  2005/10 |     0    |     0    |    14
  2005/11 |     1    |     1    |    14
  2005/12 |     0    |     0    |    14
-------------------------------------------


<< ASN assignments >>
---------------------------------------------------------------------------
          |allocations|             |                        | total no. of
  yyyy/mm |from APNIC | assignments | range of assigned ASN  | ASN assgined
---------------------------------------------------------------------------
  2005/01 |           |      2      | 24255-24256            |     562
  2005/02 |           |      4      | 24257-24260            |     566
  2005/03 |           |      6      | 24261-24266            |     572
  2005/04 |           |      1      | 24267                  |     573
  2005/05 |           |      5      | 24268-24272            |     578
  2005/06 |           |      3      | 24273-24275            |     581
  2005/07 |           |      0      |                        |     581
  2005/08 |           |      2      | 24276-24277            |     583
  2005/09 |           |      2      | 24278-24279            |     585
  2005/10 |           |      1      | 24280                  |     586
  2005/11 |           |      3      | 24281-24283            |     589
  2005/12 |           |      2      | 24284-24285            |     591
--------------------------------------------------------------------------
cumulative|           |             |
  total   |     594   |     591     |
--------------------------------------------------------------------------
          

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