My new BGP book: 'Internet Routing with BGP' by Iljitsch van Beijnum BGPexpert My BGP book from 2002: 'BGP' by Iljitsch van Beijnum

Home · BGP Expert Test · What is BGP? · BGP Vendors · Links · Archives · Books · My New BGP Book

BGP (advertisement)
Please note that this page is the direct IPv4 equivalent of //www.bgpexpert.com/addrspace-ipv6.php, some things may not make much sense.

IPv4 address space given out: 14398954.00 /24s in 240298 blocks out of 14483184 possible /24s in the currently defined global unicast space (1/8 ... 223/8 - 10/8, 172.16/12, 192.168/16 and 127/8) = 14398954.

Totals:

afrinic    452596 /24s in 4853 blocks
apnic     3461560 /24s in 50457 blocks
arin      6473540 /24s in 72956 blocks
lacnic     741916 /24s in 19287 blocks
ripencc   3269342 /24s in 92745 blocks

Totals per year:

1982         5 /24s in 3 blocks
1983     71937 /24s in 194 blocks
1984     84987 /24s in 213 blocks
1985      6014 /24s in 125 blocks
1986     38862 /24s in 372 blocks
1987     42569 /24s in 475 blocks
1988    238220 /24s in 1086 blocks
1989    349336 /24s in 1888 blocks
1990    509148 /24s in 2869 blocks
1991    769117 /24s in 4164 blocks
1992    714360 /24s in 8194 blocks
1993    646677 /24s in 10656 blocks
1994    362920 /24s in 10374 blocks
1995    350123 /24s in 7293 blocks
1996    389769 /24s in 3891 blocks
1997    245303 /24s in 2258 blocks
1998    263940 /24s in 1687 blocks
1999    180267 /24s in 2671 blocks
2000    306806 /24s in 3879 blocks
2001    326431 /24s in 3359 blocks
2002    264293 /24s in 2672 blocks
2003    326400 /24s in 3903 blocks
2004    474097 /24s in 4927 blocks
2005    673457 /24s in 7274 blocks
2006    646115 /24s in 6306 blocks
2007    764053 /24s in 7203 blocks
2008    758249 /24s in 7445 blocks
2009    688417 /24s in 7996 blocks
2010    922360 /24s in 8697 blocks
2011    776632 /24s in 11233 blocks
2012    373075 /24s in 9631 blocks
2013    226314 /24s in 6699 blocks
2014    257991 /24s in 10372 blocks
2015    235382 /24s in 11028 blocks
2016    133979 /24s in 9909 blocks
2017    199600 /24s in 8980 blocks
2018    159693 /24s in 9935 blocks
2019    202380 /24s in 13860 blocks
2020     98725 /24s in 7203 blocks
2021     88648 /24s in 8566 blocks
2022    132449 /24s in 5566 blocks
2023     99011 /24s in 5176 blocks
2024       837 /24s in 66 blocks

AfriNIC per year:

1984       641 /24s in 6 blocks
1988         1 /24s in 1 blocks
1989       257 /24s in 2 blocks
1990       548 /24s in 7 blocks
1991      2314 /24s in 19 blocks
1992      5451 /24s in 92 blocks
1993     10934 /24s in 299 blocks
1994      5653 /24s in 207 blocks
1995      2300 /24s in 50 blocks
1996      2715 /24s in 23 blocks
1997       480 /24s in 5 blocks
1998       352 /24s in 7 blocks
1999       160 /24s in 5 blocks
2000      2176 /24s in 20 blocks
2001      1356 /24s in 30 blocks
2002       678 /24s in 30 blocks
2003       568 /24s in 28 blocks
2004      1577 /24s in 43 blocks
2005      3162 /24s in 66 blocks
2006      8288 /24s in 90 blocks
2007     21094 /24s in 118 blocks
2008      7195 /24s in 114 blocks
2009     22446 /24s in 130 blocks
2010     31687 /24s in 169 blocks
2011     32593 /24s in 163 blocks
2012     29284 /24s in 199 blocks
2013     26118 /24s in 208 blocks
2014     46111 /24s in 204 blocks
2015     64763 /24s in 263 blocks
2016     43280 /24s in 250 blocks
2017     29825 /24s in 213 blocks
2018     23825 /24s in 229 blocks
2019     17795 /24s in 228 blocks
2020      4076 /24s in 410 blocks
2021      1059 /24s in 330 blocks
2022       975 /24s in 312 blocks
2023       851 /24s in 281 blocks
2024         8 /24s in 2 blocks

APNIC per year:

1983       768 /24s in 3 blocks
1984        32 /24s in 1 blocks
1985       257 /24s in 2 blocks
1986      1283 /24s in 8 blocks
1987      2070 /24s in 21 blocks
1988      7839 /24s in 66 blocks
1989     83461 /24s in 146 blocks
1990     26795 /24s in 251 blocks
1991     29501 /24s in 237 blocks
1992    102544 /24s in 966 blocks
1993     42139 /24s in 767 blocks
1994     21698 /24s in 673 blocks
1995     23543 /24s in 1097 blocks
1996     43471 /24s in 1673 blocks
1997     90976 /24s in 433 blocks
1998     19103 /24s in 349 blocks
1999     40065 /24s in 593 blocks
2000     81726 /24s in 814 blocks
2001    113450 /24s in 681 blocks
2002    108153 /24s in 437 blocks
2003    129087 /24s in 704 blocks
2004    166280 /24s in 912 blocks
2005    209708 /24s in 961 blocks
2006    200940 /24s in 1116 blocks
2007    271289 /24s in 1276 blocks
2008    341886 /24s in 1193 blocks
2009    339727 /24s in 1395 blocks
2010    463875 /24s in 1822 blocks
2011    413574 /24s in 3128 blocks
2012      3803 /24s in 998 blocks
2013      4979 /24s in 1380 blocks
2014     13793 /24s in 3704 blocks
2015     16930 /24s in 4019 blocks
2016     13325 /24s in 3838 blocks
2017      7441 /24s in 2121 blocks
2018      6487 /24s in 2062 blocks
2019      4206 /24s in 1963 blocks
2020      3419 /24s in 1967 blocks
2021      4454 /24s in 2481 blocks
2022      4054 /24s in 2239 blocks
2023      3371 /24s in 1929 blocks
2024        58 /24s in 31 blocks

ARIN per year:

1982         5 /24s in 3 blocks
1983     70910 /24s in 187 blocks
1984     69676 /24s in 60 blocks
1985      5501 /24s in 122 blocks
1986     28111 /24s in 297 blocks
1987     34629 /24s in 360 blocks
1988    202363 /24s in 768 blocks
1989    234227 /24s in 1286 blocks
1990    397536 /24s in 1992 blocks
1991    630585 /24s in 2964 blocks
1992    443966 /24s in 5755 blocks
1993    290124 /24s in 7115 blocks
1994    299210 /24s in 7470 blocks
1995    228279 /24s in 4888 blocks
1996    286452 /24s in 1069 blocks
1997    107231 /24s in 600 blocks
1998    206717 /24s in 463 blocks
1999     74442 /24s in 830 blocks
2000    105269 /24s in 1160 blocks
2001    108048 /24s in 838 blocks
2002     69651 /24s in 702 blocks
2003     73224 /24s in 1041 blocks
2004    121851 /24s in 1148 blocks
2005    192576 /24s in 958 blocks
2006    172801 /24s in 1262 blocks
2007    182827 /24s in 1275 blocks
2008    198410 /24s in 1471 blocks
2009    115068 /24s in 1485 blocks
2010    156510 /24s in 1343 blocks
2011     84807 /24s in 1530 blocks
2012    117549 /24s in 1717 blocks
2013     76824 /24s in 1996 blocks
2014    112633 /24s in 2223 blocks
2015    134299 /24s in 1952 blocks
2016     58204 /24s in 885 blocks
2017    142587 /24s in 1506 blocks
2018    106773 /24s in 1669 blocks
2019    149979 /24s in 1782 blocks
2020     84749 /24s in 2211 blocks
2021     78596 /24s in 2467 blocks
2022    125990 /24s in 1980 blocks
2023     93709 /24s in 2095 blocks
2024       642 /24s in 31 blocks

LACNIC per year:

1987       374 /24s in 7 blocks
1988       256 /24s in 1 blocks
1989       769 /24s in 4 blocks
1990      2307 /24s in 12 blocks
1991      6408 /24s in 31 blocks
1992      7692 /24s in 95 blocks
1993      9347 /24s in 206 blocks
1994      7241 /24s in 238 blocks
1995      1754 /24s in 220 blocks
1996       741 /24s in 232 blocks
1997      2224 /24s in 78 blocks
1998      2394 /24s in 39 blocks
1999     13437 /24s in 130 blocks
2000     12985 /24s in 213 blocks
2001      8525 /24s in 168 blocks
2002      6400 /24s in 157 blocks
2003     10377 /24s in 189 blocks
2004     12664 /24s in 236 blocks
2005     33929 /24s in 271 blocks
2006     46014 /24s in 340 blocks
2007     56511 /24s in 392 blocks
2008     41417 /24s in 416 blocks
2009     43250 /24s in 474 blocks
2010     49327 /24s in 723 blocks
2011     76869 /24s in 973 blocks
2012     70157 /24s in 1032 blocks
2013    109149 /24s in 1090 blocks
2014     73289 /24s in 1641 blocks
2015      5541 /24s in 1459 blocks
2016      6184 /24s in 1608 blocks
2017      6221 /24s in 1633 blocks
2018      5048 /24s in 1361 blocks
2019      5631 /24s in 1541 blocks
2020      5244 /24s in 1433 blocks
2021      1356 /24s in 365 blocks
2022       576 /24s in 183 blocks
2023       308 /24s in 96 blocks

RIPE NCC per year:

1983       259 /24s in 4 blocks
1984     14638 /24s in 146 blocks
1985       256 /24s in 1 blocks
1986      9468 /24s in 67 blocks
1987      5496 /24s in 87 blocks
1988     27761 /24s in 250 blocks
1989     30622 /24s in 450 blocks
1990     81962 /24s in 607 blocks
1991    100309 /24s in 913 blocks
1992    154707 /24s in 1286 blocks
1993    294133 /24s in 2269 blocks
1994     29118 /24s in 1786 blocks
1995     94247 /24s in 1038 blocks
1996     56390 /24s in 894 blocks
1997     44392 /24s in 1142 blocks
1998     35374 /24s in 829 blocks
1999     52163 /24s in 1113 blocks
2000    104650 /24s in 1672 blocks
2001     95052 /24s in 1642 blocks
2002     79411 /24s in 1346 blocks
2003    113144 /24s in 1941 blocks
2004    171725 /24s in 2588 blocks
2005    234082 /24s in 5018 blocks
2006    218072 /24s in 3498 blocks
2007    232332 /24s in 4142 blocks
2008    169341 /24s in 4251 blocks
2009    167926 /24s in 4512 blocks
2010    220961 /24s in 4640 blocks
2011    168789 /24s in 5439 blocks
2012    152282 /24s in 5685 blocks
2013      9244 /24s in 2025 blocks
2014     12165 /24s in 2600 blocks
2015     13849 /24s in 3335 blocks
2016     12986 /24s in 3328 blocks
2017     13526 /24s in 3507 blocks
2018     17560 /24s in 4614 blocks
2019     24769 /24s in 8346 blocks
2020      1237 /24s in 1182 blocks
2021      3183 /24s in 2923 blocks
2022       854 /24s in 852 blocks
2023       772 /24s in 775 blocks
2024       129 /24s in 2 blocks
Comments or questions? Email me.

Last RIR data import: 08 Jan 2024 14:00:45 local time.