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![IT Security](http://cdn.sstatic.net/security/img/apple-touch-icon.png)
I've seen packets originating from RFC1918 addresses from two fairly large european ISP's (ASN1257 & smaller ASN35706) coming in on eBGP transit links lately, and I'm a bit puzzled why it wouldn't be dropped by an ACL first entrance in my ISP's network (or really, entrance in ANY ISP's network).
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