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Center for Applied Internet Data Analysis
Country stats for last year of data
CountryClient PrefixesSpoofing PrefixesBlocking PrefixesInconsistent Prefixes
Non-NATNAT
usa (United States)2808214 (7.6%)299 (10.6%)2277 (81.1%)18 (0.6%)
ind (India)92048 (5.2%)14 (1.5%)852 (92.6%)6 (0.7%)
can (Canada)49535 (7.1%)21 (4.2%)435 (87.9%)4 (0.8%)
aus (Australia)33527 (8.1%)14 (4.2%)293 (87.5%)1 (0.3%)
isr (Israel)14226 (18.3%)1 (0.7%)115 (81.0%)0 (0.0%)
vnm (Vietnam)9425 (26.6%)2 (2.1%)67 (71.3%)0 (0.0%)
gbr (United Kingdom)41519 (4.6%)40 (9.6%)353 (85.1%)3 (0.7%)
zaf (South Africa)11618 (15.5%)5 (4.3%)92 (79.3%)1 (0.9%)
egy (Egypt)12417 (13.7%)2 (1.6%)105 (84.7%)0 (0.0%)
bra (Brazil)19215 (7.8%)11 (5.7%)166 (86.5%)0 (0.0%)
bgd (Bangladesh)21514 (6.5%)7 (3.3%)194 (90.2%)0 (0.0%)
nzl (New Zealand)15213 (8.6%)5 (3.3%)133 (87.5%)1 (0.7%)
deu (Germany)26312 (4.6%)38 (14.4%)212 (80.6%)1 (0.4%)
kor (South Korea)26112 (4.6%)165 (63.2%)79 (30.3%)5 (1.9%)
irn (Iran)5211 (21.2%)1 (1.9%)40 (76.9%)0 (0.0%)
col (Colombia)299 (31.0%)0 (0.0%)20 (69.0%)0 (0.0%)
idn (Indonesia)589 (15.5%)0 (0.0%)49 (84.5%)0 (0.0%)
tur (Turkey)2569 (3.5%)3 (1.2%)244 (95.3%)0 (0.0%)
are (United Arab Emirates)508 (16.0%)1 (2.0%)41 (82.0%)0 (0.0%)
aut (Austria)677 (10.4%)5 (7.5%)55 (82.1%)0 (0.0%)
grd (Grenada)167 (43.8%)0 (0.0%)9 (56.3%)0 (0.0%)
pol (Poland)777 (9.1%)4 (5.2%)66 (85.7%)0 (0.0%)
rus (Russian Federation)1297 (5.4%)15 (11.6%)106 (82.2%)1 (0.8%)
alb (Albania)146 (42.9%)0 (0.0%)8 (57.1%)0 (0.0%)
nld (Netherlands)2226 (2.7%)55 (24.8%)159 (71.6%)2 (0.9%)
dnk (Denmark)585 (8.6%)3 (5.2%)50 (86.2%)0 (0.0%)
fra (France)1555 (3.2%)23 (14.8%)127 (81.9%)0 (0.0%)
ita (Italy)1695 (3.0%)9 (5.3%)155 (91.7%)0 (0.0%)
lva (Latvia)155 (33.3%)1 (6.7%)8 (53.3%)1 (6.7%)
npl (Nepal)825 (6.1%)0 (0.0%)77 (93.9%)0 (0.0%)
phl (Philippines)975 (5.2%)1 (1.0%)91 (93.8%)0 (0.0%)
blz (Belize)94 (44.4%)2 (22.2%)3 (33.3%)0 (0.0%)
chl (Chile)454 (8.9%)1 (2.2%)40 (88.9%)0 (0.0%)
hti (Haiti)354 (11.4%)0 (0.0%)31 (88.6%)0 (0.0%)
arg (Argentina)683 (4.4%)1 (1.5%)64 (94.1%)0 (0.0%)
bgr (Bulgaria)573 (5.3%)7 (12.3%)47 (82.5%)0 (0.0%)
che (Switzerland)893 (3.4%)5 (5.6%)81 (91.0%)0 (0.0%)
cze (Czech Republic)543 (5.6%)5 (9.3%)45 (83.3%)1 (1.9%)
ecu (Ecuador)203 (15.0%)0 (0.0%)17 (85.0%)0 (0.0%)
esp (Spain)1363 (2.2%)4 (2.9%)129 (94.9%)0 (0.0%)
mkd (Macedonia)133 (23.1%)0 (0.0%)10 (76.9%)0 (0.0%)
pri (Puerto Rico)113 (27.3%)1 (9.1%)7 (63.6%)0 (0.0%)
vct (Saint Vincent & Grenadines)53 (60.0%)0 (0.0%)2 (40.0%)0 (0.0%)
cri (Costa Rica)292 (6.9%)1 (3.4%)26 (89.7%)0 (0.0%)
hnd (Honduras)72 (28.6%)0 (0.0%)5 (71.4%)0 (0.0%)
irl (Ireland)502 (4.0%)1 (2.0%)47 (94.0%)0 (0.0%)
jam (Jamaica)62 (33.3%)0 (0.0%)4 (66.7%)0 (0.0%)
ltu (Lithuania)192 (10.5%)2 (10.5%)15 (78.9%)0 (0.0%)
pak (Pakistan)652 (3.1%)0 (0.0%)63 (96.9%)0 (0.0%)
sau (Saudi Arabia)512 (3.9%)0 (0.0%)49 (96.1%)0 (0.0%)
srb (Serbia)222 (9.1%)1 (4.5%)19 (86.4%)0 (0.0%)
swe (Sweden)1262 (1.6%)29 (23.0%)92 (73.0%)3 (2.4%)
zmb (Zambia)72 (28.6%)0 (0.0%)5 (71.4%)0 (0.0%)
arm (Armenia)31 (33.3%)0 (0.0%)2 (66.7%)0 (0.0%)
bih (Bosnia and Herzegovina)101 (10.0%)1 (10.0%)8 (80.0%)0 (0.0%)
blr (Belarus)41 (25.0%)1 (25.0%)2 (50.0%)0 (0.0%)
bol (Bolivia)61 (16.7%)0 (0.0%)5 (83.3%)0 (0.0%)
brb (Barbados)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)
civ (Ivory Coast (Cote D'Ivoire))81 (12.5%)0 (0.0%)7 (87.5%)0 (0.0%)
grc (Greece)571 (1.8%)1 (1.8%)55 (96.5%)0 (0.0%)
gum (Guam [US])11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)
hrv (Croatia)281 (3.6%)5 (17.9%)22 (78.6%)0 (0.0%)
irq (Iraq)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)
isl (Iceland)131 (7.7%)0 (0.0%)12 (92.3%)0 (0.0%)
jpn (Japan)981 (1.0%)8 (8.2%)89 (90.8%)0 (0.0%)
ken (Kenya)311 (3.2%)2 (6.5%)28 (90.3%)0 (0.0%)
lka (Sri Lanka)441 (2.3%)0 (0.0%)43 (97.7%)0 (0.0%)
lux (Luxembourg)91 (11.1%)1 (11.1%)7 (77.8%)0 (0.0%)
mda (Moldova, Republic of)121 (8.3%)5 (41.7%)6 (50.0%)0 (0.0%)
mdg (Madagascar)151 (6.7%)0 (0.0%)14 (93.3%)0 (0.0%)
mdv (Maldives)311 (3.2%)5 (16.1%)25 (80.6%)0 (0.0%)
nga (Nigeria)131 (7.7%)0 (0.0%)12 (92.3%)0 (0.0%)
nor (Norway)361 (2.8%)6 (16.7%)29 (80.6%)0 (0.0%)
per (Peru)71 (14.3%)0 (0.0%)6 (85.7%)0 (0.0%)
prt (Portugal)651 (1.5%)4 (6.2%)60 (92.3%)0 (0.0%)
rou (Romania)541 (1.9%)13 (24.1%)39 (72.2%)1 (1.9%)
sdn (Sudan)31 (33.3%)0 (0.0%)1 (33.3%)1 (33.3%)
sle (Sierra Leone)41 (25.0%)0 (0.0%)3 (75.0%)0 (0.0%)
swz (Swaziland)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)
tgo (Togo)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)
tha (Thailand)681 (1.5%)1 (1.5%)66 (97.1%)0 (0.0%)
tto (Trinidad and Tobago)91 (11.1%)0 (0.0%)8 (88.9%)0 (0.0%)
tun (Tunisia)201 (5.0%)10 (50.0%)9 (45.0%)0 (0.0%)
tza (Tanzania)151 (6.7%)1 (6.7%)13 (86.7%)0 (0.0%)
uga (Uganda)61 (16.7%)0 (0.0%)5 (83.3%)0 (0.0%)
ukr (Ukraine)501 (2.0%)6 (12.0%)43 (86.0%)0 (0.0%)
20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
ala (Åland Islands)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
and (Andorra, Principality of)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
atg (Antigua and Barbuda)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
aze (Azerbaijan)60 (0.0%)0 (0.0%)6 (100.0%)0 (0.0%)
bel (Belgium)340 (0.0%)3 (8.8%)31 (91.2%)0 (0.0%)
bfa (Burkina Faso)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
bhr (Bahrain)130 (0.0%)0 (0.0%)13 (100.0%)0 (0.0%)
bmu (Bermuda)90 (0.0%)0 (0.0%)9 (100.0%)0 (0.0%)
btn (Bhutan)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
bwa (Botswana)20 (0.0%)0 (0.0%)1 (50.0%)1 (50.0%)
chn (China)660 (0.0%)8 (12.1%)58 (87.9%)0 (0.0%)
cmr (Cameroon)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
cog (Congo)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
cub (Cuba)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
cyp (Cyprus)60 (0.0%)0 (0.0%)6 (100.0%)0 (0.0%)
dom (Dominican Republic)220 (0.0%)0 (0.0%)22 (100.0%)0 (0.0%)
dza (Algeria)130 (0.0%)0 (0.0%)13 (100.0%)0 (0.0%)
est (Estonia)140 (0.0%)0 (0.0%)14 (100.0%)0 (0.0%)
fin (Finland)210 (0.0%)5 (23.8%)16 (76.2%)0 (0.0%)
fji (Fiji)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
fro (Faroe Islands)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
gab (Gabon)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
geo (Georgia)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)
gha (Ghana)140 (0.0%)0 (0.0%)14 (100.0%)0 (0.0%)
glp (Guadeloupe [French])10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
gtm (Guatemala)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
hkg (Hong Kong)280 (0.0%)3 (10.7%)25 (89.3%)0 (0.0%)
hun (Hungary)270 (0.0%)0 (0.0%)27 (100.0%)0 (0.0%)
imn (Isle of Man)10 (0.0%)1 (100.0%)0 (0.0%)0 (0.0%)
jor (Jordan)180 (0.0%)0 (0.0%)18 (100.0%)0 (0.0%)
kaz (Kazakhstan)30 (0.0%)1 (33.3%)2 (66.7%)0 (0.0%)
kgz (Kyrgyz Republic (Kyrgyzstan))60 (0.0%)0 (0.0%)6 (100.0%)0 (0.0%)
khm (Cambodia, Kingdom of)90 (0.0%)0 (0.0%)9 (100.0%)0 (0.0%)
kwt (Kuwait)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
lao (Laos)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)
lbn (Lebanon)100 (0.0%)0 (0.0%)10 (100.0%)0 (0.0%)
lbr (Liberia)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
lca (Saint Lucia)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
mar (Morocco)850 (0.0%)0 (0.0%)85 (100.0%)0 (0.0%)
mco (Monaco)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
mex (Mexico)590 (0.0%)0 (0.0%)59 (100.0%)0 (0.0%)
mlt (Malta)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)
mne (Montenegro)90 (0.0%)0 (0.0%)9 (100.0%)0 (0.0%)
mng (Mongolia)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
mnp (Northern Mariana Islands)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
moz (Mozambique)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
mus (Mauritius)170 (0.0%)1 (5.9%)15 (88.2%)1 (5.9%)
mwi (Malawi)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
mys (Malaysia)1130 (0.0%)3 (2.7%)109 (96.5%)1 (0.9%)
ncl (New Caledonia [French])30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)
nic (Nicaragua)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
omn (Oman)100 (0.0%)0 (0.0%)10 (100.0%)0 (0.0%)
pan (Panama)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)
pry (Paraguay)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)
pse (Palestinian Territory, Occupied)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
qat (Qatar)150 (0.0%)0 (0.0%)15 (100.0%)0 (0.0%)
sgp (Singapore)520 (0.0%)9 (17.3%)43 (82.7%)0 (0.0%)
smr (San Marino)140 (0.0%)0 (0.0%)14 (100.0%)0 (0.0%)
sur (Suriname)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)
svk (Slovak Republic)160 (0.0%)0 (0.0%)16 (100.0%)0 (0.0%)
svn (Slovenia)280 (0.0%)3 (10.7%)25 (89.3%)0 (0.0%)
syc (Seychelles)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)
twn (Taiwan)410 (0.0%)2 (4.9%)39 (95.1%)0 (0.0%)
ury (Uruguay)300 (0.0%)2 (6.7%)28 (93.3%)0 (0.0%)
ven (Venezuela)700 (0.0%)18 (25.7%)52 (74.3%)0 (0.0%)
yem (Yemen)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)
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