Japanese Page
Statistics on IP addresses, AS numbers, and IRR services managed by JPNIC
Last update:2011-05-11
<< Number of IPv4 DB objects registered in April >>
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assigned | returned
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infrastructure endsite |
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147 2018 | 6443
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<< Number of IPv4 host addresses assigned in April >>
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assigned | returned
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total | 3296761 | 1112466
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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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2010/05| 0 2 1 2 2 1 6 2 47 0 2 4 4 8 4 0 0
2010/06| 0 2 0 3 0 2 1 1 31 2 3 2 5 7 2 0 0
2010/07| 3 0 0 0 2 2 0 3 32 2 3 0 5 9 2 0 0
2010/08| 1 2 3 2 0 0 0 2 44 2 5 2 2 2 11 0 2
2010/09| 2 1 0 1 1 5 5 2 54 3 4 3 3 8 6 0 1
2010/10| 1 1 1 0 1 4 4 4 60 1 2 0 5 7 2 0 0
2010/11| 1 1 0 3 2 1 4 6 33 1 3 9 3 11 3 0 1
2010/12| 0 4 0 3 2 2 2 4 65 1 4 3 4 11 3 0 0
2011/01| 2 0 1 1 3 1 1 0 53 2 7 7 3 10 0 0 0
2011/02| 2 3 0 1 6 3 4 7 73 7 3 6 9 13 3 0 0
2011/03| 1 3 2 3 4 2 4 12 54 1 6 5 3 14 2 0 0
2011/04| 3 3 2 3 2 4 8 5 96 2 2 3 5 6 3 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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2010/05| 0 1 0 0 1 2 1 9 22 256 216 195 267 1099 288 1 18
2010/06| 0 0 0 0 0 1 4 3 42 89 105 87 212 977 123 4 20
2010/07| 0 0 0 0 1 1 3 2 38 100 145 91 250 955 117 3 15
2010/08| 0 9 0 1 0 1 2 4 19 94 154 81 249 868 135 3 19
2010/09| 0 0 0 0 0 1 4 12 37 99 122 110 222 787 90 5 21
2010/10| 0 4 0 3 2 6 9 1 29 69 58 77 259 827 54 4 18
2010/11| 0 0 1 0 0 0 7 7 46 76 75 95 206 797 57 5 47
2010/12| 0 0 0 0 3 2 1 10 38 74 255 783 512 1136 165 5 11
2011/01| 0 1 0 2 1 4 7 10 170 83 53 139 243 709 22 0 13
2011/02| 0 0 0 0 0 6 6 7 21 48 50 117 228 859 28 3 13
2011/03| 0 2 0 1 2 2 5 11 83 50 48 111 227 964 41 4 20
2011/04| 3 0 0 0 0 4 1 2 169 254 124 276 309 851 14 2 9
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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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2010/05| 88064 | 0 | 71702462
2010/06| 437248 | 31744 | 72107966
2010/07| 1253376 | 0 | 73361342
2010/08| 715776 | 3072 | 74074046
2010/09| 274432 | 8192 | 74340286
2010/10| 956416 | 8192 | 75288510
2010/11| 1090560 | 0 | 76379070
2010/12| 507904 | 0 | 76886974
2011/01| 687104 | 0 | 77574078
2011/02| 9712640 | 0 | 87286718
2011/03| 5200896 | 18432 | 92469182
2011/04| 505856 | 0 | 92975038
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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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2010/05| 0 0 0 0 0 0 0 0 1 2 2 2 3 2
2010/06| 0 0 0 0 0 1 0 2 0 1 1 2 4 3
2010/07| 0 0 0 0 1 2 1 0 1 0 2 5 1 2
2010/08| 0 0 0 0 1 0 0 2 1 1 0 0 4 3
2010/09| 0 0 0 0 0 0 1 0 2 3 1 3 2 4
2010/10| 0 0 0 0 0 2 2 1 1 2 1 6 2 2
2010/11| 0 0 0 1 0 0 0 0 0 1 1 1 5 3
2010/12| 0 0 0 0 0 1 0 2 0 3 3 5 7 6
2011/01| 0 0 0 0 1 0 0 1 2 1 2 0 3 3
2011/02| 1 0 0 0 1 2 1 0 1 2 5 6 4 5
2011/03| 0 1 0 0 1 0 1 0 5 4 5 9 12 9
2011/04| 0 0 0 0 0 0 2 1 1 3 2 9 1 40
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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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2010/05| 88064 | 0 | 74863872
2010/06| 437248 | 0 | 75301120
2010/07| 1253376 | 0 | 76554496
2010/08| 713728 | 0 | 77268224
2010/09| 274432 | 0 | 77542656
2010/10| 948224 | 0 | 78490880
2010/11| 1090560 | 0 | 79581440
2010/12| 548864 | 0 | 80130304
2011/01| 656384 | 0 | 80786688
2011/02| 9730048 | 0 | 90516736
2011/03| 5145600 | 0 | 95662336
2011/04| 505856 | 178176 | 95990016
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<< Number of IPv4 applications processed >>
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| | | | second opinion | allocation blocks | SUB-A
yyyy/mm |assign|return| update | submitted approved | allocated returned | registered deleted
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2010/05 | 2295 | 4969 | 1231 | 10 8 | 8 0 | 67 4
2010/06 | 1589 | 1537 | 812 | 9 8 | 11 1 | 35 16
2010/07 | 1735 | 2326 | 781 | 8 6 | 7 0 | 56 22
2010/08 | 1688 | 1989 | 593 | 16 8 | 11 1 | 52 10
2010/09 | 1558 | 1814 | 1004 | 12 11 | 10 1 | 50 25
2010/10 | 1392 | 1906 | 1006 | 13 7 | 14 0 | 25 10
2010/11 | 1879 | 2295 | 706 | 29 14 | 16 0 | 509 8
2010/12 | 2960 | 2114 | 747 | 13 15 | 21 0 | 22 18
2011/01 | 1466 | 2144 | 978 | 16 14 | 12 0 | 50 12
2011/02 | 1444 | 1920 | 10584 | 19 18 | 40 0 | 53 39
2011/03 | 1619 | 6255 | 2007 | 13 7 | 26 1 | 132 22
2011/04 | 2348 | 6392 | 6663 | 14 11 | 22 0 | 276 294
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<< Number of IPv6 assignments by size >>
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| total no.of
yyyy/mm| assignments /23 /25 /28 /32 /33 /34 /35 /40 /42 /44 /48 /52 /56 /64
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2010/05| 14 0 0 0 0 0 0 0 0 0 0 14 0 0 0
2010/06| 32 0 0 0 0 0 0 0 7 11 0 14 0 0 0
2010/07| 159 0 0 0 0 0 0 0 139 0 0 20 0 0 0
2010/08| 94 0 0 0 0 0 0 0 33 0 1 34 0 0 26
2010/09| 37 0 0 0 1 0 0 0 17 0 0 19 0 0 0
2010/10| 69 0 0 0 0 0 0 0 57 0 0 12 0 0 0
2010/11| 57 0 0 0 0 1 1 3 12 0 0 38 0 0 2
2010/12| 36 0 0 0 1 0 0 0 12 0 0 12 0 0 11
2011/01| 47 0 0 0 0 0 0 0 26 0 0 20 0 0 1
2011/02| 58 0 0 0 0 0 0 0 10 0 0 30 0 4 14
2011/03| 68 0 0 0 1 0 0 0 6 0 1 45 0 4 11
2011/04| 370 2 8 4 0 0 0 0 302 0 0 42 1 0 11
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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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2010/05| 0 0 0 0 0 0 0 0 0 0 0 0 2
2010/06| 0 0 0 0 0 0 0 0 0 0 0 0 5
2010/07| 0 0 0 0 0 0 0 0 0 0 0 0 8
2010/08| 0 0 0 0 0 0 0 0 0 0 0 0 4
2010/09| 0 0 1 2 0 0 0 0 0 0 0 0 7
2010/10| 0 0 0 0 0 0 0 0 0 0 0 0 3
2010/11| 0 0 0 0 0 0 0 0 0 0 0 0 4
2010/12| 0 0 0 0 1 0 0 1 0 0 0 0 2
2011/01| 0 0 0 0 0 0 0 0 0 0 0 0 4
2011/02| 0 0 1 0 0 0 0 0 0 1 1 1 5
2011/03| 0 0 0 0 0 1 0 0 0 0 0 0 4
2011/04| 0 0 0 0 0 0 0 0 0 0 0 0 5
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<< Number of LIRs under JPNIC management >>
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yyyy/mm | new | resolved | total
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2010/05 | 3 | 0 | 396
2010/06 | 2 | 0 | 398
2010/07 | 1 | 1 | 398
2010/08 | 3 | 2 | 399
2010/09 | 2 | 1 | 400
2010/10 | 2 | 1 | 401
2010/11 | 0 | 0 | 401
2010/12 | 2 | 0 | 403
2011/01 | 0 | 0 | 403
2011/02 | 2 | 1 | 404
2011/03 | 3 | 3 | 404
2011/04 | 1 | 2 | 403
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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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2010/05 | 2 | 0 | 115
2010/06 | 5 | 0 | 120
2010/07 | 8 | 0 | 128
2010/08 | 4 | 0 | 132
2010/09 | 7 | 0 | 139
2010/10 | 3 | 0 | 142
2010/11 | 4 | 0 | 146
2010/12 | 2 | 0 | 148
2011/01 | 4 | 0 | 152
2011/02 | 4 | 1 | 155
2011/03 | 4 | 0 | 159
2011/04 | 5 | 0 | 164
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<< Number of portable assignments >>
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yyyy/mm | assigned | returned | total
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2010/05 | 1 | 0 | 34
2010/06 | 0 | 0 | 34
2010/07 | 0 | 0 | 34
2010/08 | 1 | 0 | 35
2010/10 | 0 | 1 | 34
2010/11 | 1 | 0 | 35
2010/12 | 0 | 0 | 35
2011/01 | 1 | 0 | 36
2011/02 | 1 | 1 | 36
2011/03 | 0 | 2 | 34
2011/04 | 1 | 0 | 35
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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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2010/05 | | 4 | 55378-55381 | 719
2010/06 | | 0 | | 719
2010/07 | | 1 | 55382 | 720
2010/08 | | 4 | 55383-55386 | 724
2010/09 | | 2 | 55387, 131157 | 726
2010/10 | | 3 | 55388-55390 | 729
2010/11 | 25 | 3 | 55391-55393 | 732
2010/12 | | 0 | | 732
2011/01 | | 1 | 55394 | 733
2011/02 | | 0 | | 733
2011/03 | | 2 | 55395-55396 | 735
2011/04 | | 1 | 55888 | 736
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cumulative| | |
total | 754 | 736 |
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Unassigned ASN (2011/05/01)
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55889-55912, 131158-131161(27)
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<< Number of objects registered in JPIRR >>
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yyyy/mm | Maintainer | Route | aut-num | as-set
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2010/05 | 183 | 4332 | 288 | 98
2010/06 | 183 | 4341 | 293 | 100
2010/07 | 184 | 4341 | 293 | 100
2010/08 | 188 | 4394 | 299 | 100
2010/09 | 189 | 4474 | 299 | 99
2010/10 | 189 | 4513 | 299 | 102
2010/11 | 194 | 4547 | 302 | 105
2010/12 | 195 | 4555 | 305 | 105
2011/01 | 196 | 4626 | 304 | 104
2011/02 | 194 | 4647 | 305 | 105
2011/03 | 195 | 4693 | 305 | 105
2011/04 | 193 | 4724 | 307 | 105
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