Japanese Page
Statistics on IP addresses, AS numbers, and IRR services managed by JPNIC
Last update:2012-04-11
<< Number of IPv4 DB objects registered in March >>
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assigned | returned
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infrastructure endsite |
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70 2186 | 2757
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<< Number of IPv4 host addresses assigned in March >>
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assigned | returned
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total | 858071 | 256887
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<< Number of IPv4 assignments by size (for LIR's intrastructure) >>
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yyyy/mm| /16 /17 /18 /19 /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32
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2011/04| 3 3 2 3 2 4 8 5 96 2 2 3 5 6 3 0 0
2011/05| 0 0 0 0 2 4 4 2 85 1 2 1 2 8 2 0 0
2011/06| 0 1 1 2 2 1 5 1 50 2 6 3 5 4 7 0 0
2011/07| 1 0 0 1 1 0 2 3 35 1 0 1 1 6 5 0 7
2011/08| 1 2 0 1 0 0 3 2 34 1 7 5 2 14 2 0 0
2011/09| 1 1 0 0 1 1 4 1 36 1 2 3 4 6 4 0 0
2011/10| 1 1 0 1 0 1 0 3 27 1 4 1 3 3 1 0 0
2011/11| 1 1 0 1 1 0 4 0 27 2 3 3 3 3 1 1 0
2011/12| 1 0 0 1 0 2 1 3 29 0 4 1 4 6 2 0 0
2012/01| 2 0 0 0 0 0 4 1 38 2 1 2 3 10 1 0 0
2012/02| 1 1 0 1 1 3 0 1 54 4 2 2 4 7 4 0 0
2012/03| 2 1 0 1 0 2 1 0 43 1 1 1 7 8 2 0 0
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<< Number of IPv4 assignments by size (for endsites) >>
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yyyy/mm| /16 /17 /18 /19 /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32
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2011/04| 3 0 0 0 0 4 1 2 169 254 124 276 309 851 14 2 9
2011/05| 0 0 0 0 1 1 1 9 45 106 47 83 217 731 17 5 11
2011/06| 1 2 0 1 1 0 6 7 65 61 57 89 195 890 34 3 14
2011/07| 0 0 0 1 1 4 0 5 23 92 67 99 264 831 26 1 13
2011/08| 0 0 0 0 0 2 2 1 35 87 37 86 193 860 28 5 12
2011/09| 0 1 0 9 6 2 3 4 61 701 45 93 194 1109 23 3 13
2011/10| 0 0 0 0 0 1 3 7 28 52 55 94 167 1042 19 5 16
2011/11| 0 0 0 0 0 0 3 4 246 55 45 75 197 1029 33 1 16
2011/12| 0 0 0 0 4 5 1 10 26 59 53 134 208 933 18 3 10
2012/01| 0 0 0 0 0 1 1 3 22 63 33 77 227 866 20 3 9
2012/02| 0 0 0 1 0 4 1 2 25 348 61 131 210 868 38 6 9
2012/03| 0 2 0 1 14 5 1 5 18 89 145 403 384 1063 26 1 29
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<< Number of IPv4 host addresses allocated/returned >>
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yyyy/mm| allocated | returned | total host
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2011/04| 505856 | 0 | 92975038
2011/05| 5120 | 0 | 92980158
2011/06| 6144 | 0 | 92986302
2011/07| 2048 | 0 | 92988350
2011/08| 2048 | 0 | 92990398
2011/09| 11264 | 16384 | 92985278
2011/10| 1024 | 0 | 92986302
2011/11| 3072 | 0 | 92989374
2011/12| 2048 | 0 | 92991422
2012/01| 4096 | 0 | 92995518
2012/02| 46080 | 43008 | 92998590
2012/03| 19456 | 18432 | 92999614
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<< Number of IPv4 allocations by size >>
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yyyy/mm| /9 /10 /11 /12 /13 /14 /15 /16 /17 /18 /19 /20 /21 /22
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2011/04| 0 0 0 0 0 0 2 1 1 3 2 9 1 40
2011/05| 0 0 0 0 0 0 0 0 0 0 0 0 0 5
2011/06| 0 0 0 0 0 0 0 0 0 0 0 0 0 6
2011/07| 0 0 0 0 0 0 0 0 0 0 0 0 0 2
2011/08| 0 0 0 0 0 0 0 0 0 0 0 0 0 2
2011/09| 0 0 0 0 0 0 0 0 0 0 1 0 0 3
2011/10| 0 0 0 0 0 0 0 0 0 0 0 0 0 1
2011/11| 0 0 0 0 0 0 0 0 0 0 0 0 0 3
2011/12| 0 0 0 0 0 0 0 0 0 0 0 0 0 2
2012/01| 0 0 0 0 0 0 0 0 0 0 0 0 0 4
2012/02| 0 0 0 0 0 0 0 0 0 1 0 5 2 5
2012/03| 0 0 0 0 0 0 0 0 0 0 1 2 0 3
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<< Number of IPv4 host addresses allocated from/returned to APNIC >>
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yyyy/mm| allocated | returned | total host
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2011/04| 505856 | 178176 | 95990016
2011/05| 5120 | 0 | 95995136
2011/06| 6144 | 0 | 96001280
2011/07| 2048 | 0 | 96003328
2011/08| 2048 | 0 | 96005376
2011/09| 3072 | 0 | 96008448
2011/10| 1024 | 0 | 96009472
2011/11| 3072 | 0 | 96012544
2011/12| 2048 | 0 | 96014592
2012/01| 4096 | 0 | 96018688
2012/02| 3072 | 0 | 96021760
2012/03| 1024 | 0 | 96022784
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<< Number of IPv4 applications processed >>
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| | | | second opinion | allocation blocks | SUB-A | address transfer
yyyy/mm|assign|return| update | submitted approved | allocated returned | registered deleted | submitted transferred
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2011/04| 2348 | 6392 | 6663 | 14 11 | 22 0 | 276 294 | -- --
2011/05| 1316 | 6941 | 900 | 12 15 | 2 0 | 48 21 | -- --
2011/06| 1399 | 2628 | 708 | 15 12 | 1 0 | 50 25 | -- --
2011/07| 1473 | 1567 | 628 | 6 6 | 3 0 | 50 16 | -- --
2011/08| 1321 | 3545 | 717 | 6 5 | 1 0 | 33 12 | 4 2
2011/09| 2188 | 5487 | 719 | 12 6 | 0 2 | 47 11 | 2 1
2011/10| 1448 | 1017 | 14717 | 11 6 | 3 0 | 36 10 | 2 2
2011/11| 1587 | 1325 | 27791 | 4 7 | 1 0 | 44 12 | 2 2
2011/12| 1401 | 1224 | 16603 | 10 3 | 3 0 | 19 10 | 3 2
2012/01| 1432 | 2807 | 20074 | 7 5 | 2 0 | 155 8 | 3 3
2012/02| 1751 | 3287 | 719 | 5 6 | 0 0 | 102 17 | 5 4
2012/03| 1620 | 2801 | 787 | 8 8 | 2 0 | 43 17 | 9 6
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<< Number of IPv6 assignments by size >>
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| total no.of
yyyy/mm| assignments /23 /25 /27 /28 /31 /32 /33 /34 /35 /40 /42 /44 /48 /52 /56 /64 /128
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2011/04| 370 2 8 0 4 0 0 0 0 0 302 0 0 42 1 0 11 0
2011/05| 287 0 0 0 0 0 0 0 0 0 269 0 0 18 0 0 0 0
2011/06| 64 0 0 1 0 1 2 0 0 0 4 0 0 46 0 9 0 1
2011/07| 29 0 0 0 0 0 0 0 0 0 3 0 0 26 0 0 0 0
2011/08| 29 0 0 0 0 0 0 0 0 0 0 0 0 29 0 0 0 0
2011/09| 27 0 0 0 0 0 0 0 0 0 0 0 0 25 0 0 2 0
2011/10| 41 0 0 0 0 0 0 0 0 0 0 0 0 36 0 1 4 0
2011/11| 31 0 0 0 0 0 1 0 0 0 1 0 0 27 0 0 2 0
2011/12| 76 0 0 0 12 0 0 0 0 0 0 0 0 59 0 0 5 0
2012/01| 43 0 0 0 0 0 0 0 0 0 0 0 0 26 0 1 16 0
2012/02| 77 0 0 0 0 0 1 0 0 0 2 0 0 57 0 1 16 0
2012/03| 41 0 0 0 0 0 0 0 0 0 10 0 0 20 0 2 9 0
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<< Number of IPv6 allocations by size >>
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yyyy/mm| /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32
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2011/04| 0 0 0 0 0 0 0 0 0 0 0 0 5
2011/05| 0 0 0 0 0 0 0 0 0 0 0 0 3
2011/06| 0 0 0 0 0 0 0 0 0 0 0 0 5
2011/07| 0 0 0 0 0 0 0 0 0 0 0 0 3
2011/08| 0 0 0 0 0 0 0 0 0 0 0 0 7
2011/09| 0 0 0 0 0 0 0 0 0 0 0 0 4
2011/10| 0 0 0 0 0 0 0 0 0 0 0 0 6
2011/11| 0 0 0 0 0 0 0 0 0 0 0 0 2
2011/12| 0 0 0 0 0 0 0 0 0 0 0 0 3
2012/01| 0 0 0 0 0 0 0 0 0 0 0 0 2
2012/02| 0 0 0 0 0 0 0 0 0 0 0 0 3
2012/03| 0 0 0 0 0 0 0 0 0 0 0 0 4
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<< Number of LIRs under JPNIC management >>
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yyyy/mm | new | resolved | total
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2011/04 | 1 | 2 | 403
2011/05 | 1 | 2 | 402
2011/06 | 3 | 0 | 405
2011/07 | 0 | 0 | 405
2011/08 | 1 | 0 | 406
2011/09 | 4 | 2 | 408
2011/10 | 0 | 0 | 408
2011/11 | 1 | 0 | 409
2011/12 | 1 | 1 | 409
2012/01 | 2 | 1 | 411
2012/02 | 2 | 1 | 412
2012/03 | 1 | 6 | 407
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<< Number of LIRs under JPNIC management with IPv6 allocations >>
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yyyy/mm | new | resolved | total
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2011/04 | 5 | 0 | 164
2011/05 | 3 | 0 | 167
2011/06 | 5 | 0 | 172
2011/07 | 3 | 0 | 175
2011/08 | 7 | 0 | 182
2011/09 | 4 | 0 | 186
2011/10 | 6 | 0 | 192
2011/11 | 2 | 0 | 194
2011/12 | 3 | 0 | 197
2012/01 | 2 | 0 | 198
2012/02 | 3 | 1 | 200
2012/03 | 4 | 1 | 203
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<< Number of portable assignments >>
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yyyy/mm | assigned | returned | total
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2011/04 | 1 | 0 | 35
2011/05 | 0 | 0 | 35
2011/06 | 2 | 0 | 37
2011/07 | 0 | 0 | 37
2011/08 | 0 | 0 | 37
2011/09 | 1 | 0 | 38
2011/10 | 0 | 0 | 38
2011/11 | 1 | 0 | 39
2011/12 | 1 | 0 | 40
2012/01 | 1 | 1 | 40
2012/02 | 1 | 0 | 41
2012/03 | 0 | 1 | 40
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<< ASN assignments >>
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|allocations| | | total no. of
yyyy/mm |from APNIC | assignments | range of assigned ASN | ASN assgined
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2011/04 | | 1 | 55888 | 738
2011/05 | | 2 | 55889, 131158 | 740
2011/06 | | 1 | 55890 | 741
2011/07 | | 3 | 55891,55892,55893 | 744
2011/08 | 100 | 2 | 55894,55895 | 746
2011/09 | | 2 | 55896,55897 | 748
2011/10 | | 3 | 55898,55899,131159 | 751
2011/11 | | 2 | 55900,131160 | 753
2011/12 | | 2 | 55901,55902 | 755
2012/01 | | 0 | | 755
2012/02 | | 2 | 55903,55904 | 757
2012/03 | | 2 | 55905,55906 | 759
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cumulative| | |
total | 854 | 757 |
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Unassigned ASN (2012/04/01)
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55907-55912, 131161, 131893-131992(107)
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<< Number of objects registered in JPIRR >>
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yyyy/mm | Maintainer | Route | Route6 | aut-num | as-set
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2011/04 | 193 | 4,724 | -- | 307 | 105
2011/05 | 194 | 4,788 | -- | 311 | 104
2011/06 | 200 | 4,832 | -- | 316 | 109
2011/07 | 200 | 4,878 | 145 | 327 | 111
2011/08 | 203 | 4,882 | 149 | 331 | 112
2011/09 | 206 | 4,913 | 152 | 332 | 111
2011/10 | 208 | 4,949 | 155 | 335 | 114
2011/11 | 212 | 4,986 | 160 | 335 | 115
2011/12 | 214 | 5,000 | 162 | 337 | 115
2012/01 | 212 | 5,023 | 168 | 337 | 115
2012/02 | 213 | 5,063 | 172 | 338 | 115
2012/03 | 215 | 5,101 | 172 | 340 | 117
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