###

in-addr summary data

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IN-ADDR summary data by quarter

Quarter Inital IN-ADDR zone size Runtime Zone total # correct # no-server unique servers
3q97 97667 657 h 380021 220030 159991
4q97 99587 654 h 478311 281368 196861
1q98 91555 372 h 500397 250107 250210
2q98 (1) 112 h 532504 253000 279484
3q98 100185 189 h 551631 277878 273626
4q98 106034 running 00--00 --00-- 000000
1q99 113747 663 h 559415 243812 315510
2q99 120334 300 h 708172 315602 392416
3q99 126856 260 h 649331 258776 390415
4q99 134712 228 h 551070 246486 304429
1q2000 141663 (1)282 h 491898 219103 272788
2q2000 149860 363 h 693337 293409 399845
3q2000 157081 183 h 736009 323360 412578
4q2000 162964 224 h(**) 604356 241939 362360
1q2001 172991 261 h 737719 297978 439661
2q2001 181544 173 h 764232 267135 496957
3q2001 192015 170 h 882613 276791 605708 66106
4q2001 0 h

NOTES
(1) extrapolated from partial/overlapping data (corrupted disk)
(**) corrupt data in 209/8 and 216/8 (2) intermediate results

If you have other information on the inverse IPv4 tree, please let Bill Manning (bmanning@) know so that this page can be updated.