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Global DDoS Summary

May 2021

Highlights:

ISPs:376Routers:9317Attacks:842 kPeak Volume:500 GbpsPeak Speed:391 MppsPeak Duration:7 days (6 days, 23 hours)Top Attack Types:
Total Traffic
UDP
IP Fragmentation

ISPs by Region:

APAC70EMEA155LATAM50NAMER101

Frequency

Attack Frequency:

10 k20 k30 k40 k1254252252243285084302435288216291957272358248529248241028632112714812292501326505142639915254111624794172860318298251929642202867921286712225909232351724268142528711262877127289042826904292410330238403126674May 2021

Frequency by Region:

100 k200 k300 k400 kAPAC215067EMEA376816LATAM88347NAMER161803

Frequency by Duration:

18.6938.4133.048.341.52Longest Attack7 days
< 5 minutes18.69 %5 minutes - 10 minutes38.41 %10 minutes - 1 hour33.04 %1 hour - 12 hours8.34 %> 12 hours1.52 %

Volume

Peak Attack Volume:

150 Gbps300 Gbps450 Gbps600 Gbps1250795196416219296795033631865471918084384930480128517681866752062152131624967274493440000827362402304092156355584001029447736524811260527112192121490717900801318639737651214191042355200155001137684481619685228544017450175270912183306862018561918429047603220220144500736213384955371522237271178444823109902225408241426956943362511724585369626308963606528278931290316828242194907136292264859443203024962528761631177066885120May 2021

Peak Volume by Region:

150 Gbps300 Gbps450 Gbps600 GbpsAPAC338495537152EMEA500113768448LATAM304191537152NAMER384930480128

Breakout by Volume:

11.4122.4041.6422.671.88Largest Attack500 Gbps
< 10 Mbps11.41 %10 Mbps - 100 Mbps22.4 %100 Mbps - 1 Gbps41.64 %1 Gbps - 10 Gbps22.67 %> 10 Gbps1.88 %

Speed

Peak Attack Speed:

100 Mpps200 Mpps300 Mpps400 Mpps1732668482384234243820617844166492896525234113667143237675393026887817399298041477610497416161139106457612104027776131615409921490382064159944845616560049201785217248181320121761912174433620608399282167086308225322986023671746962413428619225551161002670633848271259597762891773600291136132083014642352031141880384May 2021

Peak Speed by Region:

100 Mpps200 Mpps300 Mpps400 MppsAPAC391064576EMEA161540992LATAM44614344NAMER252341136

Breakout by Speed:

3.3114.8048.7027.745.46Largest Attack391 Mpps
< 1 kpps3.31 %1 kpps - 10 kpps14.8 %10 kpps - 100 kpps48.7 %100 kpps - 1 Mpps27.74 %> 1 Mpps5.46 %

Top Source Countries:

36 k126 k182 k210 k264 kAttacks

Sources

United States504,70659.9 %United Kingdom300,12935.6 %Germany295,40235.1 %Netherlands288,62634.3 %Russian Federation263,93931.3 %

Top Destination Countries:

1543 k9 k14 k33 kAttacks

Destinations

United States169,54020.1 %South Korea54,7096.5 %Brazil49,5465.9 %United Kingdom47,7695.7 %China32,9913.9 %