hey, here's some IP rudeness for you...

(Dig is an alternative to 'nslookup' & this is a look-up on the IP.
The reverse does not work.  More's the pity.  We find the weirdest
damn shit floating around this big ol' net.  -kjc)

: dig -x 209.16.144.36
 
; <<>> DiG 2.2 <<>> -x 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr aa rd ra; Ques: 1, Ans: 1, Auth: 0, Addit: 0
;; QUESTIONS:
;;      36.144.16.209.in-addr.arpa, type = ANY, class = IN
 
;; ANSWERS:
36.144.16.209.in-addr.arpa.     86400   PTR     once.got.drunk.and.fucked.three.trailerparkhoes.org.
 
;; Total query time: 3824 msec
;; FROM: casbah to SERVER: default -- 192.52.71.5
;; WHEN: Tue Sep  9 16:11:17 1997
;; MSG SIZE  sent: 44  rcvd: 109