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Global DDoS Summary

April 2021

Highlights:

ISPs:376Routers:9276Attacks:882 kPeak Volume:448 GbpsPeak Speed:137 MppsPeak Duration:7 days (6 days, 23 hours)Top Attack Types:
Total Traffic
UDP
IP Fragmentation

ISPs by Region:

APAC69EMEA159LATAM52NAMER96

Frequency

Attack Frequency:

10 k20 k30 k40 k128847227762327789426245529305630825731135831387930549102614611253651230490133161014337261530114163370517257111827000193312020328792132536222934723282682425459252550926298502729853282948529295183028061April 2021

Frequency by Region:

100 k200 k300 k400 kAPAC215739EMEA399271LATAM84823NAMER181763

Frequency by Duration:

19.1038.3831.617.833.09Longest Attack7 days
< 5 minutes19.1 %5 minutes - 10 minutes38.38 %10 minutes - 1 hour31.61 %1 hour - 12 hours7.83 %> 12 hours3.09 %

Volume

Peak Attack Volume:

100 Gbps200 Gbps300 Gbps400 Gbps500 Gbps11756158197762448176193536320558320435242031273902085251894022144618609138892872730389831688258006253568916394369433610146810503168112334025973761217928942387213352741163008142071124213761518407016038416225968144384173606064988161831967087820819884240384002018139154022421203273093120221917842227202310839995187224214742581248253646397153282612863256985627258399043584282148235345922944199185612830246781378560April 2021

Peak Volume by Region:

100 Gbps200 Gbps300 Gbps400 Gbps500 GbpsAPAC360606498816EMEA448176193536LATAM166164955136NAMER364639715328

Breakout by Volume:

9.6122.0243.4322.412.52Largest Attack448 Gbps
< 10 Mbps9.61 %10 Mbps - 100 Mbps22.02 %100 Mbps - 1 Gbps43.43 %1 Gbps - 10 Gbps22.41 %> 10 Gbps2.52 %

Speed

Peak Attack Speed:

50 Mpps100 Mpps150 Mpps11112559122126081464348113484471625632587871280659878596752685656850978792987671824105682939611704266081212693450413607705481470033312155403293216116585424177038403218137369056196393852020862882722198648032225001157623578511562497138640254753409626826226002775332576286637832829841313763049138568April 2021

Peak Speed by Region:

50 Mpps100 Mpps150 MppsAPAC137369056EMEA83336504LATAM70033312NAMER71625632

Breakout by Speed:

2.7115.4948.4827.355.97Largest Attack137 Mpps
< 1 kpps2.71 %1 kpps - 10 kpps15.49 %10 kpps - 100 kpps48.48 %100 kpps - 1 Mpps27.35 %> 1 Mpps5.97 %

Top Source Countries:

39 k130 k189 k222 k272 kAttacks

Sources

United States517,97758.8 %United Kingdom303,07234.4 %Germany300,40934.1 %Netherlands294,12033.4 %France272,47030.9 %

Top Destination Countries:

1633 k8 k15 k30 kAttacks

Destinations

United States194,16422 %Brazil55,3916.3 %United Kingdom52,8856 %South Korea52,3625.9 %Italy30,1543.4 %