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Country stats for last year of data

For these country-level stats, the most recent test from each client address is examined within aggregated IP blocks (/24 for IPv4 and /40 for IPv6). If the most recent test in an IP block shows spoofing, the IP block is considered to allow spoofing. If ALL clients indicate blocking, the IP block is considered to block spoofing. (It is considered NAT blocking if there are no non-NAT tests found.) If some clients showed spoofing but the most recent tests show blocking (and there's no evidence of a change in blocking policy), then the IP block is considered "inconsistent". On the map, inconsistent results are counted as spoofing for simplicity.
Country Client
IP blocks
Spoofing
IP blocks
Blocking
IP blocks
Inconsistent
IP blocks
Client
ASNs
Spoofing
ASNs
Non-NATNAT
bra (Brazil)2143414 (19.3%)277 (12.9%)1429 (66.7%)23 (1.1%)464222 (47.8%)
ind (India)1258227 (18.0%)159 (12.6%)872 (69.3%)0 (0.0%)7024 (34.3%)
usa (United States)2646112 (4.2%)680 (25.7%)1852 (70.0%)2 (0.1%)32265 (20.2%)
isr (Israel)24373 (30.0%)72 (29.6%)98 (40.3%)0 (0.0%)115 (45.5%)
arg (Argentina)13257 (43.2%)10 (7.6%)64 (48.5%)1 (0.8%)237 (30.4%)
zaf (South Africa)19141 (21.5%)8 (4.2%)142 (74.3%)0 (0.0%)4217 (40.5%)
rus (Russian Federation)26738 (14.2%)37 (13.9%)192 (71.9%)0 (0.0%)6918 (26.1%)
tha (Thailand)25636 (14.1%)16 (6.3%)204 (79.7%)0 (0.0%)256 (24.0%)
twn (Taiwan)22134 (15.4%)31 (14.0%)155 (70.1%)1 (0.5%)194 (21.1%)
are (United Arab Emirates)5729 (50.9%)4 (7.0%)24 (42.1%)0 (0.0%)72 (28.6%)
egy (Egypt)12827 (21.1%)1 (0.8%)100 (78.1%)0 (0.0%)63 (50.0%)
tur (Turkey)62225 (4.0%)10 (1.6%)587 (94.4%)0 (0.0%)359 (25.7%)
bgd (Bangladesh)6022 (36.7%)6 (10.0%)32 (53.3%)0 (0.0%)269 (34.6%)
kaz (Kazakhstan)4921 (42.9%)0 (0.0%)28 (57.1%)0 (0.0%)41 (25.0%)
aus (Australia)43520 (4.6%)40 (9.2%)375 (86.2%)0 (0.0%)368 (22.2%)
pol (Poland)14419 (13.2%)16 (11.1%)109 (75.7%)0 (0.0%)5113 (25.5%)
tun (Tunisia)3119 (61.3%)0 (0.0%)12 (38.7%)0 (0.0%)61 (16.7%)
nld (Netherlands)29118 (6.2%)89 (30.6%)184 (63.2%)0 (0.0%)698 (11.6%)
uga (Uganda)3617 (47.2%)1 (2.8%)18 (50.0%)0 (0.0%)83 (37.5%)
ita (Italy)36816 (4.3%)34 (9.2%)318 (86.4%)0 (0.0%)4811 (22.9%)
can (Canada)32215 (4.7%)64 (19.9%)243 (75.5%)0 (0.0%)5610 (17.9%)
vnm (Vietnam)7915 (19.0%)6 (7.6%)57 (72.2%)1 (1.3%)94 (44.4%)
kor (South Korea)33014 (4.2%)188 (57.0%)128 (38.8%)0 (0.0%)185 (27.8%)
chn (China)39313 (3.3%)111 (28.2%)268 (68.2%)1 (0.3%)279 (33.3%)
deu (Germany)100613 (1.3%)255 (25.3%)738 (73.4%)0 (0.0%)8812 (13.6%)
jpn (Japan)23313 (5.6%)41 (17.6%)178 (76.4%)1 (0.4%)439 (20.9%)
ago (Angola)5412 (22.2%)1 (1.9%)41 (75.9%)0 (0.0%)65 (83.3%)
pak (Pakistan)8912 (13.5%)3 (3.4%)74 (83.1%)0 (0.0%)175 (29.4%)
gbr (United Kingdom)6259 (1.4%)107 (17.1%)508 (81.3%)1 (0.2%)718 (11.3%)
swe (Sweden)1299 (7.0%)19 (14.7%)100 (77.5%)1 (0.8%)367 (19.4%)
mex (Mexico)4498 (1.8%)29 (6.5%)412 (91.8%)0 (0.0%)236 (26.1%)
bfa (Burkina Faso)167 (43.8%)2 (12.5%)7 (43.8%)0 (0.0%)42 (50.0%)
esp (Spain)1937 (3.6%)13 (6.7%)173 (89.6%)0 (0.0%)335 (15.2%)
idn (Indonesia)387 (18.4%)7 (18.4%)24 (63.2%)0 (0.0%)206 (30.0%)
ken (Kenya)457 (15.6%)0 (0.0%)38 (84.4%)0 (0.0%)117 (63.6%)
fra (France)2876 (2.1%)53 (18.5%)228 (79.4%)0 (0.0%)385 (13.2%)
hkg (Hong Kong)1006 (6.0%)28 (28.0%)66 (66.0%)0 (0.0%)224 (18.2%)
hun (Hungary)1476 (4.1%)9 (6.1%)132 (89.8%)0 (0.0%)155 (33.3%)
rou (Romania)1086 (5.6%)21 (19.4%)81 (75.0%)0 (0.0%)173 (17.6%)
phl (Philippines)1335 (3.8%)11 (8.3%)117 (88.0%)0 (0.0%)104 (40.0%)
svk (Slovak Republic)345 (14.7%)4 (11.8%)25 (73.5%)0 (0.0%)175 (29.4%)
ukr (Ukraine)515 (9.8%)13 (25.5%)33 (64.7%)0 (0.0%)385 (13.2%)
ury (Uruguay)95 (55.6%)1 (11.1%)3 (33.3%)0 (0.0%)85 (62.5%)
bgr (Bulgaria)444 (9.1%)5 (11.4%)35 (79.5%)0 (0.0%)233 (13.0%)
ecu (Ecuador)354 (11.4%)4 (11.4%)27 (77.1%)0 (0.0%)132 (15.4%)
hrv (Croatia)304 (13.3%)0 (0.0%)26 (86.7%)0 (0.0%)63 (50.0%)
irn (Iran)1434 (2.8%)4 (2.8%)135 (94.4%)0 (0.0%)111 (9.1%)
mys (Malaysia)1644 (2.4%)15 (9.1%)145 (88.4%)0 (0.0%)143 (21.4%)
npl (Nepal)444 (9.1%)8 (18.2%)32 (72.7%)0 (0.0%)103 (30.0%)
pry (Paraguay)94 (44.4%)0 (0.0%)5 (55.6%)0 (0.0%)33 (100.0%)
bih (Bosnia and Herzegovina)453 (6.7%)1 (2.2%)40 (88.9%)1 (2.2%)41 (25.0%)
che (Switzerland)893 (3.4%)18 (20.2%)68 (76.4%)0 (0.0%)222 (9.1%)
chl (Chile)293 (10.3%)2 (6.9%)24 (82.8%)0 (0.0%)133 (23.1%)
cze (Czech Republic)273 (11.1%)1 (3.7%)23 (85.2%)0 (0.0%)203 (15.0%)
dnk (Denmark)353 (8.6%)7 (20.0%)25 (71.4%)0 (0.0%)163 (18.8%)
gha (Ghana)363 (8.3%)0 (0.0%)33 (91.7%)0 (0.0%)42 (50.0%)
hti (Haiti)93 (33.3%)0 (0.0%)6 (66.7%)0 (0.0%)32 (66.7%)
mus (Mauritius)1133 (2.7%)2 (1.8%)108 (95.6%)0 (0.0%)83 (37.5%)
prt (Portugal)1173 (2.6%)17 (14.5%)97 (82.9%)0 (0.0%)142 (14.3%)
sdn (Sudan)193 (15.8%)1 (5.3%)15 (78.9%)0 (0.0%)42 (50.0%)
aut (Austria)1092 (1.8%)10 (9.2%)97 (89.0%)0 (0.0%)212 (9.5%)
bel (Belgium)852 (2.4%)24 (28.2%)59 (69.4%)0 (0.0%)112 (18.2%)
col (Colombia)212 (9.5%)3 (14.3%)16 (76.2%)0 (0.0%)132 (15.4%)
cyp (Cyprus)162 (12.5%)2 (12.5%)12 (75.0%)0 (0.0%)101 (10.0%)
dom (Dominican Republic)432 (4.7%)0 (0.0%)41 (95.3%)0 (0.0%)62 (33.3%)
khm (Cambodia, Kingdom of)52 (40.0%)0 (0.0%)3 (60.0%)0 (0.0%)32 (66.7%)
ltu (Lithuania)192 (10.5%)2 (10.5%)15 (78.9%)0 (0.0%)102 (20.0%)
lux (Luxembourg)422 (4.8%)6 (14.3%)34 (81.0%)0 (0.0%)41 (25.0%)
mdv (Maldives)152 (13.3%)2 (13.3%)11 (73.3%)0 (0.0%)31 (33.3%)
sgp (Singapore)512 (3.9%)12 (23.5%)37 (72.5%)0 (0.0%)212 (9.5%)
srb (Serbia)202 (10.0%)2 (10.0%)16 (80.0%)0 (0.0%)92 (22.2%)
tza (Tanzania)62 (33.3%)0 (0.0%)4 (66.7%)0 (0.0%)51 (20.0%)
abw (Aruba)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
arm (Armenia)21 (50.0%)0 (0.0%)1 (50.0%)0 (0.0%)21 (50.0%)
ben (Benin)101 (10.0%)0 (0.0%)9 (90.0%)0 (0.0%)41 (25.0%)
bol (Bolivia)171 (5.9%)3 (17.6%)13 (76.5%)0 (0.0%)21 (50.0%)
btn (Bhutan)101 (10.0%)5 (50.0%)4 (40.0%)0 (0.0%)41 (25.0%)
cri (Costa Rica)161 (6.3%)1 (6.3%)14 (87.5%)0 (0.0%)91 (11.1%)
gab (Gabon)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
geo (Georgia)161 (6.3%)1 (6.3%)14 (87.5%)0 (0.0%)31 (33.3%)
gtm (Guatemala)31 (33.3%)0 (0.0%)2 (66.7%)0 (0.0%)21 (50.0%)
irl (Ireland)461 (2.2%)12 (26.1%)33 (71.7%)0 (0.0%)131 (7.7%)
isl (Iceland)101 (10.0%)4 (40.0%)5 (50.0%)0 (0.0%)61 (16.7%)
jor (Jordan)101 (10.0%)1 (10.0%)8 (80.0%)0 (0.0%)11 (100.0%)
mda (Moldova, Republic of)161 (6.3%)1 (6.3%)14 (87.5%)0 (0.0%)61 (16.7%)
mlt (Malta)21 (50.0%)0 (0.0%)1 (50.0%)0 (0.0%)21 (50.0%)
mwi (Malawi)91 (11.1%)0 (0.0%)8 (88.9%)0 (0.0%)31 (33.3%)
nam (Namibia)81 (12.5%)1 (12.5%)6 (75.0%)0 (0.0%)21 (50.0%)
nor (Norway)451 (2.2%)7 (15.6%)37 (82.2%)0 (0.0%)131 (7.7%)
nzl (New Zealand)1251 (0.8%)30 (24.0%)94 (75.2%)0 (0.0%)231 (4.3%)
som (Somalia)91 (11.1%)1 (11.1%)7 (77.8%)0 (0.0%)31 (33.3%)
tcd (Chad)61 (16.7%)1 (16.7%)3 (50.0%)1 (16.7%)21 (50.0%)
alb (Albania)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
and (Andorra, Principality of)30 (0.0%)1 (33.3%)2 (66.7%)0 (0.0%)30 (0.0%)
aze (Azerbaijan)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
bhr (Bahrain)50 (0.0%)1 (20.0%)4 (80.0%)0 (0.0%)30 (0.0%)
blr (Belarus)360 (0.0%)0 (0.0%)36 (100.0%)0 (0.0%)40 (0.0%)
bmu (Bermuda)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
civ (Ivory Coast (Cote D'Ivoire))30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)20 (0.0%)
cmr (Cameroon)90 (0.0%)0 (0.0%)9 (100.0%)0 (0.0%)20 (0.0%)
cod (Congo, The Democratic Republic of the)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)10 (0.0%)
dji (Djibouti)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
dza (Algeria)60 (0.0%)0 (0.0%)6 (100.0%)0 (0.0%)10 (0.0%)
est (Estonia)340 (0.0%)6 (17.6%)28 (82.4%)0 (0.0%)100 (0.0%)
eth (Ethiopia)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)10 (0.0%)
fin (Finland)500 (0.0%)9 (18.0%)41 (82.0%)0 (0.0%)70 (0.0%)
gib (Gibraltar)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
gin (Guinea)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
gmb (Gambia)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
grc (Greece)910 (0.0%)10 (11.0%)81 (89.0%)0 (0.0%)100 (0.0%)
gum (Guam [US])20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
guy (Guyana)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)10 (0.0%)
imn (Isle of Man)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
irq (Iraq)200 (0.0%)1 (5.0%)19 (95.0%)0 (0.0%)70 (0.0%)
jey (Jersey)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
kgz (Kyrgyz Republic (Kyrgyzstan))30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)30 (0.0%)
kwt (Kuwait)260 (0.0%)0 (0.0%)26 (100.0%)0 (0.0%)20 (0.0%)
lby (Libya)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
lca (Saint Lucia)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
lie (Liechtenstein)40 (0.0%)1 (25.0%)3 (75.0%)0 (0.0%)30 (0.0%)
lka (Sri Lanka)670 (0.0%)8 (11.9%)59 (88.1%)0 (0.0%)30 (0.0%)
lva (Latvia)110 (0.0%)1 (9.1%)10 (90.9%)0 (0.0%)100 (0.0%)
mar (Morocco)1030 (0.0%)0 (0.0%)103 (100.0%)0 (0.0%)30 (0.0%)
mco (Monaco)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
mdg (Madagascar)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)20 (0.0%)
mhl (Marshall Islands)10 (0.0%)1 (100.0%)0 (0.0%)0 (0.0%)10 (0.0%)
mkd (Macedonia)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)30 (0.0%)
mli (Mali)120 (0.0%)0 (0.0%)12 (100.0%)0 (0.0%)30 (0.0%)
mmr (Myanmar)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)40 (0.0%)
mne (Montenegro)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)20 (0.0%)
mng (Mongolia)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
ncl (New Caledonia [French])10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
nga (Nigeria)150 (0.0%)4 (26.7%)11 (73.3%)0 (0.0%)60 (0.0%)
omn (Oman)50 (0.0%)0 (0.0%)5 (100.0%)0 (0.0%)20 (0.0%)
pan (Panama)330 (0.0%)2 (6.1%)31 (93.9%)0 (0.0%)80 (0.0%)
per (Peru)50 (0.0%)0 (0.0%)5 (100.0%)0 (0.0%)40 (0.0%)
pri (Puerto Rico)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)20 (0.0%)
qat (Qatar)130 (0.0%)1 (7.7%)12 (92.3%)0 (0.0%)30 (0.0%)
reu (Reunion [French])30 (0.0%)1 (33.3%)2 (66.7%)0 (0.0%)20 (0.0%)
rwa (Rwanda)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
sau (Saudi Arabia)2940 (0.0%)34 (11.6%)260 (88.4%)0 (0.0%)60 (0.0%)
sen (Senegal)230 (0.0%)0 (0.0%)23 (100.0%)0 (0.0%)10 (0.0%)
slv (El Salvador)10 (0.0%)1 (100.0%)0 (0.0%)0 (0.0%)10 (0.0%)
svn (Slovenia)130 (0.0%)1 (7.7%)12 (92.3%)0 (0.0%)60 (0.0%)
syr (Syria)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)10 (0.0%)
tto (Trinidad and Tobago)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)20 (0.0%)
ven (Venezuela)1550 (0.0%)115 (74.2%)40 (25.8%)0 (0.0%)30 (0.0%)
vgb (British Virgin Islands)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)30 (0.0%)
vir (Virgin Islands [US])10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
zmb (Zambia)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)20 (0.0%)
Last Modified