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Statistics on IP addresses, AS numbers, and IRR services managed by JPNIC (2023)
                                                  Last update:2024-01-17
            
            
<< Number of IPv4 DB objects registered in December >>
-------------------------------------------
    assigned                   |  returned
-------------------------------------------
 infrastructure     endsite    |
-------------------------------------------
      36              1039     |   1379
-------------------------------------------
            
<< Number of IPv4 host addresses assigned in December >>
---------------------------------
             assigned | returned
---------------------------------
total   |      56068  |   130089
---------------------------------
            
<< 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
---------------------------------------------------------------------------------------------
2023/01|   0    1    0    0    1    1    6    3    7    0    0    0    4    1    1    0    0
2023/02|   0    0    0    1    1    1    4    3    6    0    0    0    1    2    3    0    0
2023/03|   0    0    0    0    2    1    3    5   13    0    1    0    1    1    0    0    0
2023/04|   0    0    0    0    1    0    0    2   11    0    0    0    0    0    3    0    0
2023/05|   0    2    1    3    2    1    2    1    6    0    0    0    2    2    2    1    0
2023/06|   0    1    0    3    0    0    3    4   39    0    0    1    2    1    4    1    0
2023/07|   0    0    0    1    0    0    3    2   24    0    2    2    1    0    1    0    0
2023/08|   0    0    0    0    0    1    7    2   43    0    0    2    2    0    0    0    0
2023/09|   0    1    0    0    1    8    0    6   59    0    1    0    0    0    3    0    0
2023/10|   0    0    0    0    2    1    1    2  183    3    0    1    3    0    2    0    0
2023/11|   0    0    0    0    0    0    3    2   20    0    0    0    1    2    3    0    0
2023/12|   0    1    0    0    0    1    0    6   12    0    0    0    4    2   10    0    0
---------------------------------------------------------------------------------------------
            
<< 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
---------------------------------------------------------------------------------------------
2023/01|   0    0    0    0    0    0    1   12    8   66   15   44   69   430  222   0   90
2023/02|   0    0    0    0    0    0    0   17   13   53   30   23  104   501  333   0   89
2023/03|   0    1    0    1    3    1    2    9    9   36   10   39  151   724  270   1   31
2023/04|   0    0    0    1    0    0    1   23   19   32   10   29  103   498  218   0   32
2023/05|   0    0    0    0    0    0    0    5   13   43   13   21   75   539  216   0    3
2023/06|   0    0    0    0    0    1    2    0   14   27   19   31  109   564  294   0   49
2023/07|   0    0    0    0    0    0    2    0    9   18   14   31  161   627  234   0   44
2023/08|   0    0    0    0    0    0    1    1    5   14   71   36   72   506  193   0   79
2023/09|   0    1    0    0    0    0    0    7  130   24   16   24   82   620  267   0   98
2023/10|   0    0    0    0    0    0    1    0   10   39   16   28   71   496  191   0   35
2023/11|   0    0    0    0    0    0    1    7   38   53   16   49  157   603  218   0   48
2023/12|   0    0    0    0    0    0    1    4   11   35   13   31  118   528  246   0   52
---------------------------------------------------------------------------------------------
            
<< Number of IPv4 host addresses allocated/returned >>
------------------------------------------
yyyy/mm| allocated | returned | total host
------------------------------------------
2023/01|      1536 |        0 |   91601032
2023/02|      8704 |        0 |   91609736
2023/03|      5888 |    25600 |   91590024
2023/04|      1024 |        0 |   91591048
2023/05|      1024 |        0 |   91592072
2023/06|      1024 |    13312 |   91579784
2023/07|    330752 |     1024 |   91909512
2023/08|      2048 |     2048 |   91909512
2023/09|      1024 |        0 |   91910536
2023/10|      2048 |      512 |   91912072
2023/11|       512 |        0 |   91912584
2023/12|      1024 |        0 |   91913608
------------------------------------------
            
<< Number of IPv4 allocations by size >>
----------------------------------------------------------------------------------------
yyyy/mm|  /9  /10  /11  /12  /13  /14  /15  /16  /17  /18  /19  /20  /21  /22  /23  /24
----------------------------------------------------------------------------------------
2023/01|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    3    0
2023/02|   0    0    0    0    0    0    0    0    0    0    0    2    0    0    1    0
2023/03|   0    0    0    0    0    0    0    0    0    0    0    0    1    2    3    1
2023/04|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    2    0
2023/05|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    2    0
2023/06|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    2    0
2023/07|   0    0    0    0    0    0    0    5    0    0    0    0    0    1    4    0
2023/08|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    4    0
2023/09|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    2    0
2023/10|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    4    0
2023/11|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    0
2023/12|   0    0    0    0    0    0    0    0    0    0    0    0    0    0    2    0
----------------------------------------------------------------------------------------
            
<< Number of IPv4 host addresses allocated from/returned to APNIC >>
------------------------------------------
yyyy/mm| allocated | returned | total host
------------------------------------------
2023/01|      1536 |        0 |   94585088
2023/02|      8704 |        0 |   94593792
2023/03|      1792 |     3072 |   94592512
2023/04|      1024 |        0 |   94593536
2023/05|      1024 |        0 |   94594560
2023/06|      1024 |        0 |   94595584
2023/07|    329728 |        0 |   94925312
2023/08|      2048 |     2048 |   94925312
2023/09|      1024 |        0 |   94926336
2023/10|      2048 |      512 |   94927872
2023/11|       512 |        0 |   94928384
2023/12|      1024 |        0 |   94929408
------------------------------------------
            
<< Number of applications processed >>
--------------------------------------------------------------------------------------------------------------------------------------------------
       | IPv4 | IPv4 |  IPv4  | IPv4 second opinion |   IPv4 allocation   |     IPv4 SUB-A      |    address transfer    |      ASN transfer
yyyy/mm|assign|return| update | submitted  approved | submitted  returned | registered  deleted | submitted  transferred | submitted  transferred
--------------------------------------------------------------------------------------------------------------------------------------------------
2023/01|  977 | 1249 |    644 |     6          1    |      1         0    |      15         4   |     5           5      |     0           0
2023/02| 1176 | 1262 |    254 |     4          7    |      0         0    |      11         0   |     7           3      |     0           0
2023/03| 1308 | 1255 |    942 |     3          3    |      1         3    |      18        21   |    13          14      |     0           0
2023/04|  979 | 1464 |    306 |     4          2    |      0         1    |      23         5   |     5           1      |     2           0
2023/05|  946 |  740 |    276 |     1          3    |      1         0    |      14         2   |     3           3      |     0           0
2023/06| 1195 |  961 |    302 |     4          4    |      0         1    |      46         0   |     5           5      |     0           0
2023/07| 1208 | 1039 |    220 |     2          2    |      2         0    |      42        29   |     2           6      |     0           2
2023/08| 1035 |  937 |    299 |     5          3    |      3         0    |      13         5   |     3           3      |     1           1
2023/09| 1343 | 1173 |    340 |     3          2    |      0         0    |       8       120   |     7           4      |     1           0
2023/10| 1092 | 1338 |    565 |     4          0    |      0         1    |      17        29   |     1           3      |     0           0
2023/11| 1205 | 1374 |    190 |     7          9    |      2         0    |      18        20   |     5           0      |     0           0
2023/12| 1071 | 1287 |    480 |     2          1    |      0         0    |      10        19   |     6           4      |     1           0
--------------------------------------------------------------------------------------------------------------------------------------------------
            
<< Number of IPv6 assignments by size >>
-------------------------------------------------------------------------------------------------------------------------------------------------------
       |  total no.of
yyyy/mm|  assignments  /23  /25  /27  /28  /31  /32  /33  /34  /35  /36  /40  /41  /42  /43  /44  /48  /50  /51  /52  /56  /57  /60  /63  /64  /96 /128
-------------------------------------------------------------------------------------------------------------------------------------------------------
2023/01|      46         0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    7    0    0    0    5    0    1    0   33    0    0
2023/02|      47         0    0    0    0    0    0    0    0    0    0    6    0    0    0    0   11    0    0    0    5    0    0    0   25    0    0
2023/03|      45         0    0    0    0    0    0    0    0    0    0    0    0    0    0    0   39    0    0    0    3    0    0    0    3    0    0
2023/04|      36         0    0    0    0    0    0    0    0    0    0    1    0    0    0    0   10    0    0    0    3    0    1    0   21    0    0
2023/05|      31         0    0    0    0    0    0    0    0    0    0    0    0    0    0    0   18    0    0    0    4    0    0    0    9    0    0
2023/06|      30         0    0    0    0    0    0    0    0    0    0    1    0    0    0    0   13    0    0    1    8    0    1    0    6    0    0
2023/07|      16         0    0    0    0    0    0    0    0    0    2    0    0    0    0    0    9    0    0    0    3    0    0    0    2    0    0
2023/08|      18         0    0    0    0    0    0    0    0    0    0    0    0    0    0    0   11    0    0    0    3    0    1    0    3    0    0
2023/09|      21         0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    4    0    0    0    3    0    1    0   13    0    0
2023/10|      20         0    0    0    0    0    2    0    0    0    0    0    0    0    0    0   16    0    0    0    1    0    0    0    1    0    0
2023/11|      32         0    0    0    0    0    1    0    0    0    0    2    0    0    0    0   20    0    0    0    2    0    0    0    7    0    0
2023/12|      15         0    0    0    0    0    1    0    0    0    0    0    0    0    0    0    6    0    0    0    3    0    0    0    5    0    0
-------------------------------------------------------------------------------------------------------------------------------------------------------
            
<< Number of IPv6 allocations by size >>
-------------------------------------------------------------------------
yyyy/mm| /20  /21  /22  /23  /24  /25  /26  /27  /28  /29  /30  /31  /32
-------------------------------------------------------------------------
2023/01|   0    0    0    0    0    0    0    0    0    0    0    0    1
2023/02|   0    0    0    0    0    0    0    0    0    0    0    0    1
2023/03|   0    0    0    0    0    0    0    0    0    0    0    0    2
2023/04|   0    0    0    0    0    0    0    0    0    0    0    0    2
2023/05|   0    0    0    0    0    0    0    0    0    0    0    0    1
2023/06|   0    0    0    0    0    0    0    0    0    0    0    0    2
2023/07|   0    0    0    0    0    0    0    0    0    0    0    0    2
2023/08|   0    0    0    0    0    0    0    0    0    0    0    0    3
2023/09|   0    0    0    0    0    0    0    0    0    0    0    0    2
2023/10|   0    0    0    0    0    0    0    0    0    0    0    0    1
2023/11|   0    0    0    0    0    0    0    0    0    0    0    0    1
2023/12|   0    0    0    0    0    0    0    0    0    0    0    0    0
-------------------------------------------------------------------------
            
<< Number of LIRs under JPNIC management >>
-------------------------------------------
  yyyy/mm |    new   | resolved |   total
-------------------------------------------
  2023/01 |     3    |     0    |    493
  2023/02 |     0    |     0    |    493
  2023/03 |     3    |     3    |    493
  2023/04 |     2    |     0    |    495
  2023/05 |     2    |     1    |    496
  2023/06 |     2    |     0    |    498
  2023/07 |     4    |     2    |    500
  2023/08 |     3    |     0    |    503
  2023/09 |     2    |     0    |    505
  2023/10 |     4    |     1    |    508
  2023/11 |     1    |     0    |    509
  2023/12 |     0    |     0    |    509
-------------------------------------------
            
<< Number of LIRs under JPNIC management with IPv6 allocations >>
-------------------------------------------
  yyyy/mm |    new   | resolved |   total
-------------------------------------------
  2023/01 |     1    |     0    |    342
  2023/02 |     0    |     0    |    342
  2023/03 |     2    |     1    |    343
  2023/04 |     2    |     0    |    345
  2023/05 |     1    |     0    |    346
  2023/06 |     2    |     0    |    348
  2023/07 |     2    |     0    |    350
  2023/08 |     3    |     0    |    353
  2023/09 |     2    |     0    |    355
  2023/10 |     1    |     0    |    356
  2023/11 |     1    |     0    |    357
  2023/12 |     0    |     0    |    357
------------------------------------------
            
<< Number of portable assignments >>
-------------------------------------------
  yyyy/mm | assigned | returned |   total
-------------------------------------------
  2023/01 |     0    |     0    |     92
  2023/02 |     0    |     0    |     92
  2023/03 |     2    |     1    |     93
  2023/04 |     0    |     0    |     93
  2023/05 |     0    |     0    |     93
  2023/06 |     2    |     2    |     93
  2023/07 |     3    |     1    |     95
  2023/08 |     0    |     0    |     95
  2023/09 |     0    |     0    |     95
  2023/10 |     1    |     0    |     96
  2023/11 |     2    |     0    |     98
  2023/12 |     2    |     1    |     99
-------------------------------------------
            
<< ASN assignments >>
---------------------------------------------------------------------------------------------
          |allocations|             |                                          | total no. of
  yyyy/mm |from APNIC | assignments | range of assigned ASN                    | ASN assgined
---------------------------------------------------------------------------------------------
  2023/01 |           |      1      | 150358                                   |     982
  2023/02 |           |      0      |                                          |     982
  2023/03 |           |      4      | 63799, 150359, 150360, 150361            |     986
  2023/04 |           |      2      | 63800, 150362                            |     988
  2023/05 |           |      5      | 63801, 63802, 150363, 150364, 150365     |     993
  2023/06 |     20    |      1      | 150366                                   |     994
  2023/07 |           |      5      | 63803, 63804, 63805, 150367, 150368      |     999
  2023/08 |           |      1      | 150369                                   |    1000
  2023/09 |           |      2      | 151371,151372                            |    1002
  2023/10 |           |      4      | 63806, 151373, 151374, 151375            |    1006
  2023/11 |           |      0      |                                          |    1006
  2023/12 |           |      3      | 151376, 151377, 151378                   |    1009
---------------------------------------------------------------------------------------------
cumulative|           |             |
  total   |   1029    |   1009      |
---------------------------------------------------------------------------------------------
            
Unassigned ASN (2024/01/01)
-------------------------------------------------------------------------
151379-151390 (12)
-------------------------------------------------------------------------
            
<< Number of objects registered in JPIRR >>
-----------------------------------------------------------------
  yyyy/mm | Maintainer |  Route   |  Route6  | aut-num |  as-set
-----------------------------------------------------------------
  2023/01 |    384     |  12853   |  1070    |   451   |   264
  2023/02 |    385     |  12864   |  1072    |   449   |   268
  2023/03 |    386     |  12889   |  1073    |   450   |   272
  2023/04 |    385     |  12948   |  1074    |   451   |   272
  2023/05 |    387     |  12978   |  1070    |   455   |   283
  2023/06 |    391     |  12987   |  1075    |   455   |   289
  2023/07 |    399     |  13007   |  1089    |   460   |   296
  2023/08 |    402     |  13018   |  1124    |   458   |   296
  2023/09 |    404     |  13028   |  1128    |   459   |   297
  2023/10 |    407     |  12979   |  1145    |   459   |   301
  2023/11 |    407     |  12977   |  1150    |   461   |   310
  2023/12 |    410     |  12995   |  1180    |   463   |   304
-----------------------------------------------------------------