The CBL - Composite Blocking List
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CBL breakdown by Country, Highest by count

Date prepared: Fri Sep 30 22:12:09 2016 UTC/GMT

Definition of ASN from Wikipedia and RFC1930 section 3:

Within the Internet, an autonomous system (AS) is a collection of connected Internet Protocol (IP) routing prefixes [blocks of IP addresses] under the control of one or more network operators on behalf of a single administrative entity or domain that presents a common, clearly defined routing policy to the Internet.

An ASN is the identifier used to identify one of these collections. Generally speaking, large organizations on the Internet (such as Google or Yahoo) will own one or more AS, and thus have one or more ASNs. Most smaller organizations lease IP address space within a larger AS.

Notes:

  • Further analysis and time series graphs of this data are available at SpamRankings.
  • "Listings" is the number of unique IPs at the corresponding country which have been listed as infected by the CBL over the past 10 days.
  • "Traffic" is the number of emails that the CBL-listed IPs have sent to one (of our many) spamtrap in the past 3 days.
  • The entries prefixed by "C_" are where the country isn't known, and thus the entry consists of the ASN the entries belong to. These entries will be corrected as time permits.
  • AS?? entries are whether a routeviews lookup failed to resolve the IP to an AS number (needed to identify country and domain).
  • IP -> ASN mapping is done using routeviews.
  • ASN -> country, domain mapping is done with the RIR allocation maps plus CBL-developed mappings.
  • Traffic statistics: These are numbers taken at just one spamtrap, and does not represent the total flow. It is perhaps more an indicator of what a medium sized site would "see", than the entire CBL detection array.
  • Size(K): Approximate total IP addresses assigned to this entity in K. Eg 747 corresponds to 764928 IP addresses - approximately 12 /16s.
  • Infect %: Percentage of allocation that is listed. For example, at time of writing, the Infect % of IN is 6.118%, meaning 6.118% of all IN-allocated IPs are CBL-listed.
  • IPop (only in per-capita metrics): Total number of Internet users (country statistics only). Per-country statistics obtained from The CIA World Fact Book and Wikipedia, most are 2012.
  • IPop% (only in per-capita metrics): Percentage of Internet users that are infected.
Country Listings %total %
Total Listings
%cumulative
Total Listings
Rank Traffic %Traffic Spams/Bot Size(K) Infect % IPop IPop%
Total 11049021 100       296961071 100 26.88        
IN 2552589 23.10 23.10 23.10 1 11804848 3.98 4572966.9 0.435% 200780998 1.27133%
VN 982356 8.89 8.89 31.99 2 5734960 1.93 531234.2 3.071% 36140967 2.71812%
CN 790174 7.15 7.15 39.14 3 348416 0.12 0604909.2 0.128% 568192066 0.139068%
IR 613878 5.56 5.56 44.70 4 1049104 0.35 126250.7 2.284% 20504000 2.99394%
PK 467809 4.23 4.23 48.93 5 1854208 0.62 318293.0 2.497% 30000000 1.55936%
BR 435895 3.95 3.95 52.88 6 7899032 2.66 18128896.7 0.330% 99357737 0.438713%
RU 364455 3.30 3.30 56.18 7 2863832 0.96 764755.0 0.550% 75926004 0.480013%
MX 299641 2.71 2.71 58.89 8 3522416 1.19 1137963.8 0.771% 44173551 0.678327%
ID 289219 2.62 2.62 61.51 9 1020712 0.34 328486.5 0.991% 38191873 0.757279%
AR 219755 1.99 1.99 63.50 10 550912 0.19 225263.2 0.849% 23543412 0.933403%
JP 200890 1.82 1.82 65.31 11 216936 0.07 1238110.8 0.082% 100684474 0.199524%
TW 167188 1.51 1.51 66.83 12 88712 0.03 050063.0 0.326% 17656414 0.946897%
C? 160486 1.45 1.45 68.28 13 20232 0.01 00.0 n/a% 0 n/a%
TH 158522 1.43 1.43 69.72 14 683160 0.23 418751.8 0.826% 17779139 0.891618%
IT 151922 1.37 1.37 71.09 15 392584 0.13 254094.6 0.274% 35531527 0.42757%
US 149225 1.35 1.35 72.44 16 241382824 81.28 16171998330.3 0.007% 254295536 0.0586817%
VE 148123 1.34 1.34 73.78 17 605368 0.20 46193.0 2.336% 12353883 1.199%
DZ 132482 1.20 1.20 74.98 18 55104 0.02 011769.2 1.099% 5690291 2.32821%
DE 122293 1.11 1.11 76.09 19 195072 0.07 1123455.9 0.097% 68296919 0.179061%
TR 119144 1.08 1.08 77.17 20 1165496 0.39 932855.3 0.354% 35990932 0.331039%
AU 112096 1.01 1.01 78.18 21 47784 0.02 064976.1 0.168% 18129727 0.618299%
ES 111944 1.01 1.01 79.19 22 320112 0.11 239693.9 0.275% 33870948 0.330502%
CO 107428 0.97 0.97 80.17 23 984392 0.33 921035.8 0.499% 22160055 0.484782%
TN 100847 0.91 0.91 81.08 24 282680 0.10 215499.0 0.635% 4447885 2.2673%
EG 91927 0.83 0.83 81.91 25 41688 0.01 039820.2 0.225% 36881374 0.24925%
UA 83108 0.75 0.75 82.66 26 1079952 0.36 1216225.0 0.500% 15115820 0.549808%
PL 79479 0.72 0.72 83.38 27 411472 0.14 522446.5 0.346% 24969935 0.318299%
PE 73207 0.66 0.66 84.04 28 420256 0.14 59065.4 0.789% 11287915 0.648543%
MY 72989 0.66 0.66 84.70 29 228072 0.08 311032.8 0.646% 19200408 0.380143%
SA 66903 0.61 0.61 85.31 30 195280 0.07 214135.2 0.462% 14328632 0.466918%
RO 62996 0.57 0.57 85.88 31 355600 0.12 58796.9 0.699% 10924252 0.576662%
PH 56697 0.51 0.51 86.39 32 983368 0.33 1710347.4 0.535% 37602976 0.150778%
ZA 54499 0.49 0.49 86.89 33 235240 0.08 445701.9 0.116% 20012275 0.272328%
KZ 54285 0.49 0.49 87.38 34 29448 0.01 08317.2 0.637% 9341977 0.581087%
KR 45331 0.41 0.41 87.79 35 203528 0.07 4136176.5 0.033% 41091681 0.110317%
CL 44425 0.40 0.40 88.19 36 192744 0.06 413843.5 0.313% 10482463 0.423803%
AE 43696 0.40 0.40 88.59 37 315848 0.11 77877.6 0.542% 4517169 0.967332%
MK 43314 0.39 0.39 88.98 38 244320 0.08 51076.8 3.928% 1314969 3.29392%
MA 42317 0.38 0.38 89.36 39 58640 0.02 113003.2 0.318% 17770081 0.238136%
UK 42287 0.38 0.38 89.74 40 68704 0.02 162766.7 0.066% 54861245 0.0770799%
FR 39463 0.36 0.36 90.10 41 76192 0.03 177289.2 0.050% 54473474 0.0724444%
UY 37292 0.34 0.34 90.44 42 119352 0.04 34603.2 0.791% 1827781 2.04029%
AT 33609 0.30 0.30 90.74 43 353872 0.12 1022673.5 0.145% 6657992 0.504792%
NG 33535 0.30 0.30 91.05 44 185216 0.06 51171.5 2.795% 55930391 0.0599585%
GR 32832 0.30 0.30 91.34 45 117440 0.04 37273.2 0.441% 6029983 0.544479%
NP 32315 0.29 0.29 91.64 46 98208 0.03 3864.8 3.649% 3332602 0.969663%
BO 28938 0.26 0.26 91.90 47 283936 0.10 91912.0 1.478% 3517991 0.822572%
KE 28641 0.26 0.26 92.16 48 186176 0.06 66242.8 0.448% 13805311 0.207464%
GB 28552 0.26 0.26 92.42 49 46840 0.02 126692.3 0.104% 0 n/a%
CI 27951 0.25 0.25 92.67 50 177048 0.06 61067.2 2.558% 522231 5.35223%
CA 27752 0.25 0.25 92.92 51 755527 0.25 2791129.0 0.030% 29760764 0.0932503%
IL 27264 0.25 0.25 93.17 52 266464 0.09 913156.3 0.202% 5568961 0.489571%
HU 26326 0.24 0.24 93.40 53 28696 0.01 15819.6 0.442% 7170086 0.367164%
BG 24203 0.22 0.22 93.62 54 573776 0.19 2311243.4 0.210% 3881287 0.623582%
RS 23898 0.22 0.22 93.84 55 108056 0.04 41344.8 1.735% 3500047 0.682791%
KW 22901 0.21 0.21 94.05 56 132480 0.04 54364.9 0.512% 2095304 1.09297%
BY 22508 0.20 0.20 94.25 57 5336 0.00 03320.5 0.662% 4523412 0.497589%
BD 21090 0.19 0.19 94.44 58 527304 0.18 252933.1 0.702% 37548000 0.0561681%
DO 20430 0.18 0.18 94.63 59 55136 0.02 23357.0 0.594% 4539869 0.450013%
HR 20390 0.18 0.18 94.81 60 52696 0.02 22675.5 0.744% 2822427 0.722428%
AZ 19299 0.17 0.17 94.99 61 5936 0.00 0845.7 2.229% 5145531 0.375063%
EC 17876 0.16 0.16 95.15 62 138248 0.05 73773.7 0.463% 5348765 0.334208%
SD 17620 0.16 0.16 95.31 63 12960 0.00 01704.5 1.010% 7183409 0.245287%
LB 15933 0.14 0.14 95.45 64 104200 0.04 6969.0 1.606% 2535918 0.628293%
PS 15915 0.14 0.14 95.60 65 92936 0.03 51102.5 1.410% 0 n/a%
CS 15773 0.14 0.14 95.74 66 73864 0.02 4398.2 3.868% 0 n/a%
KH 15651 0.14 0.14 95.88 67 228488 0.08 14316.0 4.837% 738641 2.11889%
SN 15278 0.14 0.14 96.02 68 69560 0.02 4712.2 2.095% 2490631 0.613419%
LY 14976 0.14 0.14 96.15 69 49264 0.02 3528.8 2.766% 1115025 1.34311%
SE 14913 0.13 0.13 96.29 70 368456 0.12 2423733.7 0.061% 8557561 0.174267%
LK 14654 0.13 0.13 96.42 71 50072 0.02 31363.2 1.050% 3927948 0.37307%
YU 13725 0.12 0.12 96.55 72 194192 0.07 141553.8 0.863% 0 n/a%
GH 13716 0.12 0.12 96.67 73 87160 0.03 61470.0 0.911% 4217454 0.32522%
IQ 13134 0.12 0.12 96.79 74 67888 0.02 5856.0 1.498% 2210175 0.594252%
SG 12258 0.11 0.11 96.90 75 415512 0.14 3311604.2 0.103% 3971318 0.308663%
BA 12133 0.11 0.11 97.01 76 12856 0.00 1797.5 1.486% 2535356 0.478552%
GT 12094 0.11 0.11 97.12 77 139968 0.05 112380.8 0.496% 2255845 0.536118%
HK 11314 0.10 0.10 97.22 78 109352 0.04 926614.3 0.042% 5207762 0.217253%
AO 10579 0.10 0.10 97.32 79 49632 0.02 41243.0 0.831% 3058195 0.345923%
PT 10309 0.09 0.09 97.41 80 68856 0.02 67765.9 0.130% 6900134 0.149403%
MU 9583 0.09 0.09 97.50 81 30408 0.01 33237.0 0.289% 543550 1.76304%
BE 9510 0.09 0.09 97.58 82 16256 0.01 115164.9 0.061% 8559449 0.111105%
AM 9446 0.09 0.09 97.67 83 22256 0.01 2918.2 1.005% 1163269 0.812022%
LT 9353 0.08 0.08 97.75 84 129856 0.04 134381.0 0.208% 2397517 0.390112%
YE 8779 0.08 0.08 97.83 85 560 0.00 0144.5 5.933% 4321814 0.203132%
TZ 8614 0.08 0.08 97.91 86 71752 0.02 81828.8 0.460% 6136331 0.140377%
CZ 8189 0.07 0.07 97.98 87 86016 0.03 1010708.9 0.075% 7632975 0.107285%
JO 8071 0.07 0.07 98.06 88 47440 0.02 51296.2 0.608% 2668644 0.302438%
?? 7878 0.07 0.07 98.13 89 255480 0.09 32177.3 4.339% 0 n/a%
QA 6764 0.06 0.06 98.19 90 4024 0.00 01635.3 0.404% 1719437 0.393385%
NZ 6567 0.06 0.06 98.25 91 3936 0.00 07417.8 0.086% 3873982 0.169516%
DM 6434 0.06 0.06 98.31 92 2736 0.00 0840.5 0.748% 40349 15.9459%
CM 6297 0.06 0.06 98.36 93 42944 0.01 6640.0 0.961% 1147199 0.548902%
IE 6288 0.06 0.06 98.42 94 7880 0.00 15291.2 0.116% 3730402 0.168561%
SY 6053 0.05 0.05 98.48 95 24 0.00 01047.0 0.565% 5474994 0.110557%
BH 6025 0.05 0.05 98.53 96 55320 0.02 91001.0 0.588% 1098546 0.548452%
MN 5962 0.05 0.05 98.58 97 233352 0.08 39323.8 1.798% 521520 1.1432%
AL 5740 0.05 0.05 98.64 98 78984 0.03 13267.5 2.095% 1641241 0.349735%
EU 5710 0.05 0.05 98.69 99 22720 0.01 353636.6 0.010% 0 n/a%
OM 5441 0.05 0.05 98.74 100 7056 0.00 11134.5 0.468% 1854090 0.293459%
LA 5277 0.05 0.05 98.79 101 44200 0.01 866.2 7.779% 707871 0.745475%
NL 5102 0.05 0.05 98.83 102 120352 0.04 2333761.2 0.015% 15559488 0.0327903%
UZ 4794 0.04 0.04 98.88 103 680 0.00 0367.0 1.276% 10369924 0.0462298%
BK 4523 0.04 0.04 98.92 104 3952 0.00 0220.2 2.005% 0 n/a%
PA 4285 0.04 0.04 98.95 105 43896 0.01 104539.8 0.092% 1586537 0.270085%
MD 4184 0.04 0.04 98.99 106 23544 0.01 51990.6 0.205% 1585973 0.263813%
KG 4110 0.04 0.04 99.03 107 12920 0.00 3426.0 0.942% 1194084 0.344197%
CH 4097 0.04 0.04 99.07 108 26304 0.01 614026.6 0.029% 6752540 0.0606735%
SK 4057 0.04 0.04 99.10 109 21456 0.01 52602.8 0.152% 4386470 0.0924889%
MM 4042 0.04 0.04 99.14 110 59424 0.02 14104.0 3.795% 583564 0.69264%
GE 4041 0.04 0.04 99.18 111 5352 0.00 11441.8 0.274% 2079917 0.194287%
CR 3879 0.04 0.04 99.21 112 49168 0.02 124392.2 0.086% 2202308 0.176133%
MW 3656 0.03 0.03 99.25 113 10176 0.00 2161.2 2.214% 710150 0.514821%
CY 3541 0.03 0.03 99.28 114 24584 0.01 62022.4 0.171% 38961 9.08858%
ET 3509 0.03 0.03 99.31 115 59664 0.02 17361.8 0.947% 1352259 0.259492%
MR 3226 0.03 0.03 99.34 116 11192 0.00 379.0 3.988% 180358 1.78866%
SI 3099 0.03 0.03 99.37 117 16184 0.01 52611.4 0.116% 1397632 0.221732%
MZ 3098 0.03 0.03 99.39 118 18744 0.01 6684.0 0.442% 1140311 0.27168%
AF 3084 0.03 0.03 99.42 119 9696 0.00 3133.0 2.264% 1659269 0.185865%
PY 3017 0.03 0.03 99.45 120 18520 0.01 62891.8 0.102% 1771188 0.170338%
HT 2909 0.03 0.03 99.48 121 13568 0.00 4319.2 0.890% 1065470 0.273025%
NO 2536 0.02 0.02 99.50 122 41248 0.01 1610056.4 0.025% 4471907 0.0567096%
MV 2440 0.02 0.02 99.52 123 36136 0.01 14220.5 1.081% 153560 1.58896%
SV 2295 0.02 0.02 99.54 124 39904 0.01 17271.8 0.825% 1553115 0.147768%
PR 2209 0.02 0.02 99.56 125 1792 0.00 0933.9 0.231% 1897555 0.116413%
HN 2166 0.02 0.02 99.58 126 48408 0.02 22406.8 0.520% 1503350 0.144078%
LV 2043 0.02 0.02 99.60 127 26248 0.01 123856.5 0.052% 1621769 0.125974%
GA 1993 0.02 0.02 99.62 128 15056 0.01 7582.8 0.334% 138584 1.43812%
NA 1898 0.02 0.02 99.63 129 12440 0.00 6688.8 0.269% 280288 0.677161%
RW 1883 0.02 0.02 99.65 130 43816 0.01 23555.5 0.331% 937964 0.200754%
DK 1821 0.02 0.02 99.67 131 32432 0.01 1713931.2 0.013% 5155411 0.0353221%
ZW 1812 0.02 0.02 99.68 132 33928 0.01 18165.0 1.072% 2156791 0.0840137%
ZM 1650 0.01 0.01 99.70 133 20008 0.01 12932.2 0.173% 1860966 0.0886636%
ML 1649 0.01 0.01 99.71 134 18056 0.01 10107.5 1.498% 336059 0.490688%
TT 1588 0.01 0.01 99.73 135 504 0.00 0797.0 0.195% 729897 0.217565%
UG 1454 0.01 0.01 99.74 136 20640 0.01 14330.0 0.430% 4941704 0.029423%
MG 1333 0.01 0.01 99.75 137 2056 0.00 1142.8 0.912% 452185 0.294791%
EE 1292 0.01 0.01 99.77 138 528 0.00 01532.5 0.082% 1007020 0.128299%
MO 1196 0.01 0.01 99.78 139 1848 0.00 1431.0 0.271% 371512 0.321928%
CD 1151 0.01 0.01 99.79 140 8464 0.00 727.8 4.051% 1236438 0.09309%
BN 1142 0.01 0.01 99.80 141 1840 0.00 1166.0 0.672% 246388 0.463497%
JM 1098 0.01 0.01 99.81 142 5648 0.00 5250.5 0.428% 1343472 0.0817285%
BF 1067 0.01 0.01 99.82 143 520 0.00 048.2 2.160% 643504 0.165811%
CC 842 0.01 0.01 99.82 144 3896 0.00 492.8 0.887% 0 n/a%
NE 787 0.01 0.01 99.83 145 4392 0.00 542.8 1.798% 230084 0.342049%
GN 715 0.01 0.01 99.84 146 9088 0.00 1218.8 3.724% 162202 0.440808%
CV 692 0.01 0.01 99.84 147 4640 0.00 628.0 2.414% 181905 0.380418%
LU 679 0.01 0.01 99.85 148 1328 0.00 1968.3 0.068% 468348 0.144978%
BJ 646 0.01 0.01 99.86 149 30304 0.01 4668.0 0.928% 0 n/a%
SO 625 0.01 0.01 99.86 150 7176 0.00 1114.2 4.283% 138849 0.450129%
BT 609 0.01 0.01 99.87 151 12840 0.00 2130.2 1.966% 182338 0.333995%
VI 596 0.01 0.01 99.87 152 64 0.00 032.6 1.784% 42687 1.39621%
NI 566 0.01 0.01 99.88 153 11656 0.00 20475.5 0.116% 773240 0.0731985%
GM 555 0.01 0.01 99.88 154 4896 0.00 8108.2 0.501% 229122 0.242229%
LS 518 0.00 0.00 99.89 155 3128 0.00 6135.0 0.375% 88602 0.584637%
GQ 479 0.00 0.00 99.89 156 5320 0.00 1122.8 2.056% 95649 0.500789%
CG 457 0.00 0.00 99.90 157 4432 0.00 9145.2 0.307% 266635 0.171395%
BI 433 0.00 0.00 99.90 158 4320 0.00 956.0 0.755% 128799 0.336183%
MH 424 0.00 0.00 99.90 159 48 0.00 06.2 6.625% 6848 6.19159%
SR 423 0.00 0.00 99.91 160 112 0.00 077.0 0.536% 194269 0.217739%
MT 413 0.00 0.00 99.91 161 2360 0.00 5827.0 0.049% 286885 0.14396%
AN 403 0.00 0.00 99.92 162 760 0.00 1456.5 0.086% 0 n/a%
PF 396 0.00 0.00 99.92 163 24 0.00 068.8 0.562% 145153 0.272816%
BS 392 0.00 0.00 99.92 164 872 0.00 2171.0 0.224% 226855 0.172798%
BW 381 0.00 0.00 99.93 165 4240 0.00 11272.2 0.137% 241272 0.157913%
ME 361 0.00 0.00 99.93 166 6024 0.00 1650.0 0.705% 373655 0.0966132%
SZ 352 0.00 0.00 99.93 167 2376 0.00 670.8 0.486% 288225 0.122127%
SU 347 0.00 0.00 99.94 168 9856 0.00 28332.8 0.102% 0 n/a%
SC 347 0.00 0.00 99.94 169 3936 0.00 11242.5 0.140% 42380 0.818782%
FI 340 0.00 0.00 99.94 170 14184 0.00 4111587.4 0.003% 4789266 0.00709921%
PG 311 0.00 0.00 99.94 171 1968 0.00 668.8 0.442% 145256 0.214105%
TL 305 0.00 0.00 99.95 172 1024 0.00 315.2 1.953% 10461 2.91559%
CU 294 0.00 0.00 99.95 173 384 0.00 1250.2 0.115% 2839881 0.0103525%
AW 286 0.00 0.00 99.95 174 1112 0.00 357.8 0.484% 79650 0.359071%
BQ 278 0.00 0.00 99.96 175 352 0.00 110.8 2.525% 0 n/a%
TM 276 0.00 0.00 99.96 176 208 0.00 019.5 1.382% 363735 0.0758794%
SS 276 0.00 0.00 99.96 177 1864 0.00 610.5 2.567% 0 n/a%
FJ 270 0.00 0.00 99.96 178 1104 0.00 475.2 0.350% 300326 0.0899023%
IS 259 0.00 0.00 99.96 179 560 0.00 21035.1 0.024% 300656 0.086145%
AD 255 0.00 0.00 99.97 180 0 0.00 056.2 0.443% 73540 0.34675%
LR 249 0.00 0.00 99.97 181 4264 0.00 1735.8 0.680% 147510 0.168802%
BZ 225 0.00 0.00 99.97 182 3056 0.00 13120.8 0.182% 81930 0.274625%
WS 214 0.00 0.00 99.97 183 3888 0.00 1877.5 0.270% 25111 0.852216%
VU 206 0.00 0.00 99.98 184 1968 0.00 913.5 1.490% 27147 0.758832%
JE 199 0.00 0.00 99.98 185 336 0.00 1178.8 0.109% 38958 0.510807%
KY 198 0.00 0.00 99.98 186 576 0.00 290.5 0.214% 0 n/a%
DJ 191 0.00 0.00 99.98 187 512 0.00 2186.8 0.100% 64021 0.29834%
SL 150 0.00 0.00 99.98 188 2944 0.00 1943.2 0.339% 71318 0.210326%
TG 148 0.00 0.00 99.98 189 7064 0.00 479.0 1.606% 278442 0.0531529%
TJ 147 0.00 0.00 99.98 190 16 0.00 015.2 0.941% 1127193 0.0130412%
GU 146 0.00 0.00 99.99 191 1048 0.00 7314.8 0.045% 98402 0.148371%
NC 126 0.00 0.00 99.99 192 128 0.00 1214.0 0.057% 150896 0.0835012%
AS 119 0.00 0.00 99.99 193 176 0.00 113.5 0.861% 0 n/a%
BM 119 0.00 0.00 99.99 194 160 0.00 1403.8 0.029% 63070 0.188679%
SM 105 0.00 0.00 99.99 195 152 0.00 132.8 0.313% 16354 0.642045%
CF 94 0.00 0.00 99.99 196 1024 0.00 105.0 1.836% 151716 0.0619579%
TO 86 0.00 0.00 99.99 197 720 0.00 87.0 1.200% 37003 0.232414%
GY 81 0.00 0.00 99.99 198 0 0.00 058.8 0.135% 254534 0.0318229%
FO 71 0.00 0.00 99.99 199 144 0.00 262.0 0.112% 42226 0.168143%
SB 68 0.00 0.00 99.99 200 160 0.00 225.5 0.260% 40905 0.166239%

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