Hi, since when does ftp://ftp.arin.net/info/asn.txt contain dotted AS numbers? Where is the new formatting documented, asn.h ? It just broke a scriptology we use to generate AS lookups for 'offline' customers (please don't ask :) ). $ head -2 asn.txt [asn.txt] 2007-09-19 02:45:00Z $ tail -7 asn.txt [reformatted some whitespace here] 44032-64511 IANA-RSVD IANA-IP-ARIN (Abuse) 64512-65535 IANA-RSVD2 IANA-IP-ARIN (Abuse) 6.0 B6 WM110-ARIN (Tech) 6.1 ASN4-TELUS AAT-ARIN (Abuse), FTS1-ARIN (Tech), TBOTP-ARIN (Tech) 6.3 H6 KML9-ARIN (Tech) 6.5 ISC-32AS ISCAT-ARIN (Abuse), JDA87-ARIN (Tech) 6.6 BLUEFIN-TRADING HOSTM912-ARIN (Abuse) "Your search - AS number 6.5 ISC32-AS - did not match any documents. " Thanks, andreas -- Andreas Ott K6OTT andreas@naund.org