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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)2019408 (20.2%)361 (17.9%)1225 (60.7%)25 (1.2%)477217 (45.5%)
ind (India)629297 (47.2%)72 (11.4%)260 (41.3%)0 (0.0%)4519 (42.2%)
usa (United States)2003113 (5.6%)555 (27.7%)1332 (66.5%)3 (0.1%)35573 (20.6%)
arg (Argentina)19346 (23.8%)10 (5.2%)137 (71.0%)0 (0.0%)265 (19.2%)
chl (Chile)40441 (10.1%)16 (4.0%)347 (85.9%)0 (0.0%)257 (28.0%)
tha (Thailand)11537 (32.2%)7 (6.1%)71 (61.7%)0 (0.0%)138 (61.5%)
egy (Egypt)8335 (42.2%)0 (0.0%)48 (57.8%)0 (0.0%)42 (50.0%)
nld (Netherlands)34332 (9.3%)78 (22.7%)232 (67.6%)1 (0.3%)6518 (27.7%)
idn (Indonesia)6329 (46.0%)16 (25.4%)18 (28.6%)0 (0.0%)207 (35.0%)
zaf (South Africa)18826 (13.8%)16 (8.5%)145 (77.1%)1 (0.5%)3813 (34.2%)
col (Colombia)7920 (25.3%)8 (10.1%)51 (64.6%)0 (0.0%)2214 (63.6%)
ita (Italy)35620 (5.6%)22 (6.2%)313 (87.9%)1 (0.3%)479 (19.1%)
npl (Nepal)4619 (41.3%)11 (23.9%)15 (32.6%)1 (2.2%)95 (55.6%)
pry (Paraguay)4119 (46.3%)6 (14.6%)16 (39.0%)0 (0.0%)119 (81.8%)
ken (Kenya)7218 (25.0%)2 (2.8%)52 (72.2%)0 (0.0%)137 (53.8%)
twn (Taiwan)9516 (16.8%)3 (3.2%)76 (80.0%)0 (0.0%)102 (20.0%)
gbr (United Kingdom)33015 (4.5%)60 (18.2%)255 (77.3%)0 (0.0%)677 (10.4%)
mdv (Maldives)1914 (73.7%)0 (0.0%)5 (26.3%)0 (0.0%)54 (80.0%)
rou (Romania)12314 (11.4%)31 (25.2%)78 (63.4%)0 (0.0%)122 (16.7%)
rus (Russian Federation)8614 (16.3%)22 (25.6%)50 (58.1%)0 (0.0%)349 (26.5%)
can (Canada)19312 (6.2%)31 (16.1%)150 (77.7%)0 (0.0%)487 (14.6%)
uga (Uganda)3311 (33.3%)0 (0.0%)22 (66.7%)0 (0.0%)125 (41.7%)
grc (Greece)9110 (11.0%)4 (4.4%)77 (84.6%)0 (0.0%)81 (12.5%)
pak (Pakistan)869 (10.5%)6 (7.0%)71 (82.6%)0 (0.0%)124 (33.3%)
pan (Panama)848 (9.5%)4 (4.8%)72 (85.7%)0 (0.0%)95 (55.6%)
phl (Philippines)468 (17.4%)6 (13.0%)32 (69.6%)0 (0.0%)104 (40.0%)
aus (Australia)2147 (3.3%)31 (14.5%)176 (82.2%)0 (0.0%)366 (16.7%)
chn (China)2147 (3.3%)31 (14.5%)176 (82.2%)0 (0.0%)246 (25.0%)
deu (Germany)5477 (1.3%)121 (22.1%)419 (76.6%)0 (0.0%)796 (7.6%)
isr (Israel)707 (10.0%)12 (17.1%)51 (72.9%)0 (0.0%)91 (11.1%)
bgd (Bangladesh)86 (75.0%)1 (12.5%)1 (12.5%)0 (0.0%)75 (71.4%)
sau (Saudi Arabia)3506 (1.7%)17 (4.9%)327 (93.4%)0 (0.0%)71 (14.3%)
ukr (Ukraine)486 (12.5%)9 (18.8%)33 (68.8%)0 (0.0%)202 (10.0%)
ury (Uruguay)606 (10.0%)3 (5.0%)51 (85.0%)0 (0.0%)52 (40.0%)
ven (Venezuela)716 (8.5%)30 (42.3%)35 (49.3%)0 (0.0%)51 (20.0%)
ago (Angola)1275 (3.9%)2 (1.6%)120 (94.5%)0 (0.0%)53 (60.0%)
bgr (Bulgaria)415 (12.2%)5 (12.2%)31 (75.6%)0 (0.0%)165 (31.3%)
jpn (Japan)1655 (3.0%)35 (21.2%)125 (75.8%)0 (0.0%)355 (14.3%)
mex (Mexico)905 (5.6%)16 (17.8%)69 (76.7%)0 (0.0%)224 (18.2%)
pol (Poland)1775 (2.8%)12 (6.8%)160 (90.4%)0 (0.0%)424 (9.5%)
vnm (Vietnam)725 (6.9%)10 (13.9%)57 (79.2%)0 (0.0%)92 (22.2%)
are (United Arab Emirates)634 (6.3%)4 (6.3%)55 (87.3%)0 (0.0%)52 (40.0%)
hkg (Hong Kong)194 (21.1%)9 (47.4%)6 (31.6%)0 (0.0%)144 (28.6%)
lka (Sri Lanka)294 (13.8%)5 (17.2%)20 (69.0%)0 (0.0%)32 (66.7%)
mda (Moldova, Republic of)324 (12.5%)9 (28.1%)19 (59.4%)0 (0.0%)92 (22.2%)
mwi (Malawi)334 (12.1%)10 (30.3%)19 (57.6%)0 (0.0%)53 (60.0%)
cze (Czech Republic)583 (5.2%)3 (5.2%)52 (89.7%)0 (0.0%)172 (11.8%)
esp (Spain)1093 (2.8%)10 (9.2%)96 (88.1%)0 (0.0%)182 (11.1%)
fra (France)1863 (1.6%)47 (25.3%)136 (73.1%)0 (0.0%)283 (10.7%)
swe (Sweden)453 (6.7%)9 (20.0%)33 (73.3%)0 (0.0%)172 (11.8%)
tun (Tunisia)33 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)22 (100.0%)
bol (Bolivia)472 (4.3%)6 (12.8%)39 (83.0%)0 (0.0%)62 (33.3%)
cmr (Cameroon)112 (18.2%)0 (0.0%)9 (81.8%)0 (0.0%)72 (28.6%)
dza (Algeria)72 (28.6%)0 (0.0%)5 (71.4%)0 (0.0%)21 (50.0%)
ecu (Ecuador)62 (33.3%)0 (0.0%)4 (66.7%)0 (0.0%)21 (50.0%)
gum (Guam [US])142 (14.3%)6 (42.9%)6 (42.9%)0 (0.0%)51 (20.0%)
irl (Ireland)702 (2.9%)15 (21.4%)53 (75.7%)0 (0.0%)162 (12.5%)
kaz (Kazakhstan)292 (6.9%)1 (3.4%)26 (89.7%)0 (0.0%)72 (28.6%)
kor (South Korea)792 (2.5%)42 (53.2%)35 (44.3%)0 (0.0%)112 (18.2%)
mkd (Macedonia)22 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)22 (100.0%)
nam (Namibia)22 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
nor (Norway)382 (5.3%)13 (34.2%)23 (60.5%)0 (0.0%)102 (20.0%)
rwa (Rwanda)42 (50.0%)0 (0.0%)2 (50.0%)0 (0.0%)32 (66.7%)
sgp (Singapore)542 (3.7%)14 (25.9%)38 (70.4%)0 (0.0%)172 (11.8%)
som (Somalia)92 (22.2%)0 (0.0%)7 (77.8%)0 (0.0%)42 (50.0%)
srb (Serbia)672 (3.0%)2 (3.0%)63 (94.0%)0 (0.0%)152 (13.3%)
svk (Slovak Republic)122 (16.7%)1 (8.3%)9 (75.0%)0 (0.0%)72 (28.6%)
ton (Tonga)52 (40.0%)1 (20.0%)2 (40.0%)0 (0.0%)31 (33.3%)
tza (Tanzania)92 (22.2%)1 (11.1%)6 (66.7%)0 (0.0%)62 (33.3%)
bhr (Bahrain)621 (1.6%)5 (8.1%)56 (90.3%)0 (0.0%)41 (25.0%)
bhs (Bahamas)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
bih (Bosnia and Herzegovina)31 (33.3%)0 (0.0%)2 (66.7%)0 (0.0%)31 (33.3%)
bwa (Botswana)21 (50.0%)0 (0.0%)1 (50.0%)0 (0.0%)21 (50.0%)
che (Switzerland)691 (1.4%)31 (44.9%)37 (53.6%)0 (0.0%)211 (4.8%)
dji (Djibouti)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
dma (Dominica)51 (20.0%)0 (0.0%)4 (80.0%)0 (0.0%)11 (100.0%)
eth (Ethiopia)191 (5.3%)0 (0.0%)18 (94.7%)0 (0.0%)11 (100.0%)
fji (Fiji)171 (5.9%)7 (41.2%)9 (52.9%)0 (0.0%)41 (25.0%)
gab (Gabon)31 (33.3%)0 (0.0%)2 (66.7%)0 (0.0%)11 (100.0%)
geo (Georgia)121 (8.3%)2 (16.7%)9 (75.0%)0 (0.0%)41 (25.0%)
gin (Guinea)71 (14.3%)0 (0.0%)6 (85.7%)0 (0.0%)31 (33.3%)
hun (Hungary)191 (5.3%)8 (42.1%)10 (52.6%)0 (0.0%)81 (12.5%)
irn (Iran)1981 (0.5%)7 (3.5%)190 (96.0%)0 (0.0%)181 (5.6%)
isl (Iceland)31 (33.3%)0 (0.0%)2 (66.7%)0 (0.0%)21 (50.0%)
kna (Saint Kitts and Nevis)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
kwt (Kuwait)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
syc (Seychelles)11 (100.0%)0 (0.0%)0 (0.0%)0 (0.0%)11 (100.0%)
tur (Turkey)1411 (0.7%)13 (9.2%)127 (90.1%)0 (0.0%)241 (4.2%)
uzb (Uzbekistan)171 (5.9%)0 (0.0%)16 (94.1%)0 (0.0%)41 (25.0%)
afg (Afghanistan, Islamic State of)10 (0.0%)1 (100.0%)0 (0.0%)0 (0.0%)10 (0.0%)
alb (Albania)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
atg (Antigua and Barbuda)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
aut (Austria)750 (0.0%)9 (12.0%)66 (88.0%)0 (0.0%)130 (0.0%)
aze (Azerbaijan)30 (0.0%)1 (33.3%)2 (66.7%)0 (0.0%)20 (0.0%)
bel (Belgium)290 (0.0%)9 (31.0%)20 (69.0%)0 (0.0%)40 (0.0%)
blr (Belarus)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
brb (Barbados)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
cod (Congo, The Democratic Republic of the)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
cri (Costa Rica)100 (0.0%)1 (10.0%)9 (90.0%)0 (0.0%)80 (0.0%)
cyp (Cyprus)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
dnk (Denmark)200 (0.0%)2 (10.0%)18 (90.0%)0 (0.0%)100 (0.0%)
dom (Dominican Republic)100 (0.0%)3 (30.0%)7 (70.0%)0 (0.0%)50 (0.0%)
est (Estonia)120 (0.0%)4 (33.3%)8 (66.7%)0 (0.0%)40 (0.0%)
fin (Finland)100 (0.0%)7 (70.0%)3 (30.0%)0 (0.0%)40 (0.0%)
gha (Ghana)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
hnd (Honduras)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
hrv (Croatia)90 (0.0%)0 (0.0%)9 (100.0%)0 (0.0%)40 (0.0%)
imn (Isle of Man)50 (0.0%)0 (0.0%)5 (100.0%)0 (0.0%)20 (0.0%)
irq (Iraq)50 (0.0%)0 (0.0%)5 (100.0%)0 (0.0%)30 (0.0%)
jor (Jordan)10 (0.0%)1 (100.0%)0 (0.0%)0 (0.0%)10 (0.0%)
khm (Cambodia, Kingdom of)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)20 (0.0%)
lby (Libya)30 (0.0%)0 (0.0%)3 (100.0%)0 (0.0%)20 (0.0%)
lca (Saint Lucia)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
lie (Liechtenstein)20 (0.0%)2 (100.0%)0 (0.0%)0 (0.0%)20 (0.0%)
ltu (Lithuania)300 (0.0%)5 (16.7%)25 (83.3%)0 (0.0%)90 (0.0%)
lux (Luxembourg)30 (0.0%)2 (66.7%)1 (33.3%)0 (0.0%)20 (0.0%)
lva (Latvia)80 (0.0%)5 (62.5%)3 (37.5%)0 (0.0%)30 (0.0%)
mar (Morocco)610 (0.0%)1 (1.6%)60 (98.4%)0 (0.0%)50 (0.0%)
mmr (Myanmar)80 (0.0%)0 (0.0%)8 (100.0%)0 (0.0%)40 (0.0%)
mng (Mongolia)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)20 (0.0%)
mnp (Northern Mariana Islands)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
mrt (Mauritania)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
mus (Mauritius)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)20 (0.0%)
mys (Malaysia)600 (0.0%)7 (11.7%)53 (88.3%)0 (0.0%)50 (0.0%)
nga (Nigeria)70 (0.0%)1 (14.3%)6 (85.7%)0 (0.0%)40 (0.0%)
nzl (New Zealand)680 (0.0%)19 (27.9%)49 (72.1%)0 (0.0%)80 (0.0%)
omn (Oman)130 (0.0%)1 (7.7%)12 (92.3%)0 (0.0%)20 (0.0%)
per (Peru)50 (0.0%)1 (20.0%)4 (80.0%)0 (0.0%)40 (0.0%)
pri (Puerto Rico)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)20 (0.0%)
prt (Portugal)510 (0.0%)16 (31.4%)34 (66.7%)1 (2.0%)71 (14.3%)
pse (Palestinian Territory, Occupied)40 (0.0%)0 (0.0%)4 (100.0%)0 (0.0%)10 (0.0%)
reu (Reunion [French])30 (0.0%)1 (33.3%)2 (66.7%)0 (0.0%)20 (0.0%)
slv (El Salvador)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
smr (San Marino)20 (0.0%)0 (0.0%)2 (100.0%)0 (0.0%)10 (0.0%)
svn (Slovenia)130 (0.0%)3 (23.1%)10 (76.9%)0 (0.0%)50 (0.0%)
syr (Syria)380 (0.0%)0 (0.0%)38 (100.0%)0 (0.0%)10 (0.0%)
tcd (Chad)100 (0.0%)5 (50.0%)5 (50.0%)0 (0.0%)30 (0.0%)
tto (Trinidad and Tobago)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
zmb (Zambia)110 (0.0%)2 (18.2%)9 (81.8%)0 (0.0%)50 (0.0%)
zwe (Zimbabwe)10 (0.0%)0 (0.0%)1 (100.0%)0 (0.0%)10 (0.0%)
Last Modified