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 September 22, 2005 00:30 UTC.
This data has been extracted from the GrabIP database
IP REGISTRAR BREAKDOWN
registry NUM_HOSTS NUM_BLOCKS
-------- ---------- ----------
arin 1484282368 36395
ripencc 363643440 19126
apnic 293023232 11504
lacnic 38634752 1551
afrinic 10626304 479
NUMBER OF ALLOCATED IP ADDRESSES BY COUNTRY (65536 Hosts or more)**
COUNTRY COUNTRY_CODE NUM_HOSTS NUM_BLOCKS
------------------------------------------ ------------ ---------- ----------
UNITED STATES US 1316020992 31251
JAPAN JP 141465088 1510
EUROPEAN UNION EU 113823420 4604
CHINA CN 72603904 889
CANADA CA 66684672 4926
GERMANY DE 50096208 1622
FRANCE FR 42913408 1197
KOREA, REPUBLIC OF KR 40838400 359
UNITED KINGDOM UK 39511928 1702
UNITED KINGDOM GB 33562368 25
AUSTRALIA AU 26556416 4762
NETHERLANDS NL 16418208 1001
SPAIN ES 16367648 419
ITALY IT 16228448 733
TAIWAN, PROVINCE OF CHINA TW 15157248 322
BRAZIL BR 15075072 261
SWEDEN SE 12087680 533
MEXICO MX 11030528 154
RUSSIAN FEDERATION RU 10549832 1191
SOUTH AFRICA ZA 8198656 255
POLAND PL 7411332 729
FINLAND FI 7364224 266
SWITZERLAND CH 6889408 763
DENMARK DK 6860064 277
HONG KONG HK 6193152 538
INDIA IN 5993472 360
AUSTRIA AT 5763744 388
NORWAY NO 5068448 244
BELGIUM BE 4318208 293
NEW ZEALAND NZ 4291072 1129
TURKEY TR 3674304 169
CHILE CL 3022592 316
ARGENTINA AR 2974720 241
IRELAND IE 2905504 116
THAILAND TH 2857472 296
CZECH REPUBLIC CZ 2815232 190
ROMANIA RO 2774144 292
ISRAEL IL 2727296 122
SINGAPORE SG 2686976 307
PORTUGAL PT 2609216 98
MALAYSIA MY 2569472 191
HUNGARY HU 2220416 132
GREECE GR 1766656 162
VENEZUELA VE 1753088 79
INDONESIA ID 1615872 244
BULGARIA BG 1452032 196
UKRAINE UA 1369536 631
EGYPT EG 1280768 55
COSTA RICA CR 1254144 12
PHILIPPINES PH 1173248 189
SLOVAKIA SK 992256 89
SAUDI ARABIA SA 969984 81
UNITED ARAB EMIRATES AE 964608 14
COLOMBIA CO 938752 106
LATVIA LV 882496 107
IRAN, ISLAMIC REPUBLIC OF IR 844288 53
LITHUANIA LT 812928 69
PERU PE 679424 59
SLOVENIA SI 668160 103
ESTONIA EE 649472 45
VIET NAM VN 627712 39
ICELAND IS 507904 28
PANAMA PA 469760 31
YUGOSLAVIA YU 347392 35
CROATIA HR 346688 34
PAKISTAN PK 345600 77
LUXEMBOURG LU 307968 50
KUWAIT KW 297984 25
CYPRUS CY 274720 58
BOLIVIA BO 263424 20
KAZAKHSTAN KZ 259072 28
ECUADOR EC 258816 127
MALTA MT 242432 32
MOROCCO MA 233728 9
PUERTO RICO PR 220928 30
URUGUAY UY 206592 25
JORDAN JO 191744 29
BANGLADESH BD 187904 56
QATAR QA 176128 6
PALESTINIAN TERRITORY, OCCUPIED PS 173824 17
BRUNEI DARUSSALAM BN 172544 11
OMAN OM 163840 5
SRI LANKA LK 163840 29
NIGERIA NG 159744 24
EL SALVADOR SV 156672 13
GUATEMALA GT 145152 19
MACAO MO 143616 16
MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF MK 143360 11
BOSNIA AND HERZEGOVINA BA 137216 25
DOMINICAN REPUBLIC DO 128768 21
GEORGIA GE 126976 20
BELARUS BY 119552 16
LEBANON LB 112640 16
KENYA KE 107776 22
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
UGANDA UG 75008 4
GHANA GH 74496 13
BAHRAIN BH 73728 14
MOLDOVA, REPUBLIC OF MD 71680 16
BERMUDA BM 66048 18
KYRGYZSTAN KG 65536 9
The attempt to post these weekly has been inconsistent. Let’s shoot for monthly!
**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