Here are the IP Block and Address allocation by registrar, as well as the number of officially allocated IP Addresses in each country (with 65536 Hosts or more) as of August 29, 2005 00:30 UTC.
This data has been extracted from the GrabIP database
IP REGISTRAR BREAKDOWN
registry NUM_HOSTS NUM_BLOCKS
-------- ---------- ----------
arin 1482539776 36379
ripencc 362089028 18957
apnic 290555904 11443
lacnic 38464256 1538
afrinic 10545920 474
NUMBER OF ALLOCATED IP ADDRESSES BY COUNTRY (65536 Hosts or more)**
COUNTRY COUNTRY_CODE NUM_HOSTS NUM_BLOCKS
------------------------------------------ ------------ ---------- ----------
UNITED STATES US 1315062784 31238
JAPAN JP 140932608 1505
EUROPEAN UNION EU 113820348 4600
CHINA CN 72411392 882
CANADA CA 65902336 4923
GERMANY DE 50387568 1657
FRANCE FR 42360960 1190
KOREA, REPUBLIC OF KR 39729408 356
UNITED KINGDOM UK 39097560 1636
UNITED KINGDOM GB 33562368 25
AUSTRALIA AU 26428928 4751
NETHERLANDS NL 16439200 1000
SPAIN ES 16302112 418
ITALY IT 16215136 730
TAIWAN, PROVINCE OF CHINA TW 15157248 322
BRAZIL BR 15075072 261
SWEDEN SE 12067200 529
MEXICO MX 11030528 154
RUSSIAN FEDERATION RU 10458920 1171
SOUTH AFRICA ZA 8188160 253
POLAND PL 7339934 711
FINLAND FI 7232128 262
SWITZERLAND CH 6894016 760
DENMARK DK 6839072 274
HONG KONG HK 6190592 536
INDIA IN 5897216 354
AUSTRIA AT 5671584 385
NORWAY NO 5060384 244
BELGIUM BE 4309504 289
NEW ZEALAND NZ 4274688 1125
TURKEY TR 3666112 168
CHILE CL 3018496 315
ARGENTINA AR 2923520 237
IRELAND IE 2905248 115
THAILAND TH 2853376 295
CZECH REPUBLIC CZ 2804736 187
ROMANIA RO 2767744 279
ISRAEL IL 2726528 119
SINGAPORE SG 2678784 306
PORTUGAL PT 2604864 96
MALAYSIA MY 2569472 191
HUNGARY HU 2220416 132
GREECE GR 1766400 161
VENEZUELA VE 1753088 79
BULGARIA BG 1370112 194
UKRAINE UA 1357530 621
EGYPT EG 1280768 55
INDONESIA ID 1277440 228
COSTA RICA CR 1254144 12
PHILIPPINES PH 1138432 187
SLOVAKIA SK 992256 89
UNITED ARAB EMIRATES AE 964608 14
SAUDI ARABIA SA 904448 80
COLOMBIA CO 868864 103
IRAN, ISLAMIC REPUBLIC OF IR 844288 53
LATVIA LV 814912 102
LITHUANIA LT 788352 66
SLOVENIA SI 667392 100
PERU PE 646656 58
ESTONIA EE 645376 44
VIET NAM VN 625664 38
ICELAND IS 507904 28
PANAMA PA 467712 30
YUGOSLAVIA YU 347392 35
PAKISTAN PK 345600 77
CROATIA HR 338240 32
LUXEMBOURG LU 307968 50
KUWAIT KW 297728 24
CYPRUS CY 274720 58
BOLIVIA BO 263424 20
ECUADOR EC 250624 126
KAZAKHSTAN KZ 242688 27
MALTA MT 242432 32
MOROCCO MA 233728 9
PUERTO RICO PR 218880 29
URUGUAY UY 206592 25
JORDAN JO 191744 29
BANGLADESH BD 180736 53
QATAR QA 176128 6
PALESTINIAN TERRITORY, OCCUPIED PS 173824 17
BRUNEI DARUSSALAM BN 172544 11
SRI LANKA LK 167936 30
OMAN OM 163840 5
NIGERIA NG 159744 24
EL SALVADOR SV 156416 12
GUATEMALA GT 145152 19
MACAO MO 143616 16
MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF MK 143360 11
DOMINICAN REPUBLIC DO 128768 21
BOSNIA AND HERZEGOVINA BA 124928 23
BELARUS BY 119552 16
GEORGIA GE 118784 18
LEBANON LB 112640 16
KENYA KE 107520 21
TUNISIA TN 106752 4
AZERBAIJAN AZ 92160 11
ALGERIA DZ 90880 16
NICARAGUA NI 89344 10
FIJI FJ 88832 10
CUBA CU 87040 11
ARMENIA AM 86016 10
UZBEKISTAN UZ 77824 9
GHANA GH 74496 13
MOLDOVA, REPUBLIC OF MD 71680 16
BERMUDA BM 66048 18
KYRGYZSTAN KG 65536 9
I will try and post these weekly.
**Please note that the total number of IP Addresses for the United Kingdom is the sum of totals for the two unique country codes used when registering IP Blocks — UK and GB.
Technorati: ARIN, RIPE, LACNIC, APNIC, AFRINIC, GrabIP, GeoIP
IceRocket: ARIN, RIPE, LACNIC, APNIC, AFRINIC, GrabIP, GeoIP