
如果你昨日黃昏錯過了,你真的走寶。
如果你連馬雲是何許人也不知道,你亦應該好打有限,不用看下去了。
多得公司老闆的介紹,forward了這個Invitation給我,才赫然發現,這個馬雲在港大舉行的演講會,是open to public的,作為納稅人,港大
Prompted by my old SpamByASN entry, I was recently asked how you woulddo IP to ASN lookups, and ideally ASN to IP lookups too. Since the fullanswer is complicated, I will do the simple and useful one first.
Assuming that nothing funny is going on, each IP address has exactlyone ASN that ultimately announces it. The easiest way to find out thismapping for a given IP address is to use the asn and aspath reverseDNS lookup zones that routeviews.org provides; these return TXT records with

如果你昨日黃昏錯過了,你真的走寶。
如果你連馬雲是何許人也不知道,你亦應該好打有限,不用看下去了。
多得公司老闆的介紹,forward了這個Invitation給我,才赫然發現,這個馬雲在港大舉行的演講會,是open to public的,作為納稅人,港大