[cfp-interest 3375] a sampler of active attacking subnets
David Hough CFP
pcfp at oakapple.net
Mon Feb 10 17:38:54 PST 2025
For the morbidly curious -
Access
Count Subnet WHOIS owner
25458 138.204.48 LACNIC TURBONET INFO E TELECOM
25115 170.78.162 LACNIC TURBONET INFO E TELECOM
24193 138.94.53 LACNIC ANDRADE & LANDIM TELECOMUNICACOES LTDA
15780 177.73.104 LACNIC FATIMA VIDEO ELETRONICA LTDA ME
14546 45.165.65 LACNIC MAURILIO SANTANA DE AZEVEDO LTDA
13090 45.164.39 LACNIC OLIVEIRA TELECOM
13120 177.190.173 LACNIC Interlink Comunicacao Virtual LTDA ME
12835 45.165.67 LACNIC D. S. ALVES SERVICOS DE INTERNET
21228 45.142.193 RIPE Limited Network LTD
2260 114.119.159 APNIC HUAWEI INTERNATIONAL PTE. LTD.
Looks like some Brazilian ISP customers are pretty lax about security;
other ISP's will take anybody's money and look the other way -
when every host in a subnet is attacking,
there must be some common control over that subnet.
There is a host of subnets with substantial access attempts less than
these. HUAWEI was more active at the beginning but has since subsided.
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