93.71.0.0 - 93.71.255.255 is email masked ripe lookup requiring -B

[Snowbat]

http://www.spamcop.net/sc?id=z4217156942z9...1d97add3700b08z

http://www.spamcop.net/sc?id=z4211792482z7...578559058f6cb2z

Tracking message source: 93.71.168.243:
Display data:
"whois 93.71.168.243[at]whois.arin.net" (Getting contact from whois.arin.net )
   Redirect to ripe
   Display data:
   "whois 93.71.168.243[at]whois.ripe.net" (Getting contact from whois.ripe.net)
   Lookup rd2747-ripe[at]whois.ripe.net
	  Display data:
	  "whois rd2747-ripe[at]whois.ripe.net" (Getting contact from whois.ripe.net)
	  rd2747-ripe =
   whois.ripe.net 93.71.168.243 (nothing found)
No reporting addresses found for 93.71.168.243, using devnull for tracking.

Tracking message source: 93.71.231.88:
Display data:
"whois 93.71.231.88[at]whois.arin.net" (Getting contact from whois.arin.net )
   Redirect to ripe
   Display data:
   "whois 93.71.231.88[at]whois.ripe.net" (Getting contact from whois.ripe.net)
   Lookup rd2747-ripe[at]whois.ripe.net
	  Display data:
	  "whois rd2747-ripe[at]whois.ripe.net" (Getting contact from whois.ripe.net)
	  rd2747-ripe =
   whois.ripe.net 93.71.231.88 (nothing found)
No reporting addresses found for 93.71.231.88, using devnull for tracking.

$ whois -h whois.ripe.net -B 93.71.168.243

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Information related to '93.71.0.0 - 93.71.255.255'

inetnum:		93.71.0.0 - 93.71.255.255
netname:		VODAFONE-IT
descr:		  IP pool assigned to VF DSL customers
country:		IT
admin-c:		RD2747-RIPE
tech-c:		 RD2747-RIPE
status:		 ASSIGNED PA
mnt-by:		 VODAFONE-IT-MNT
changed:		roberto.decristofaro[at]vodafone.com 20100219
source:		 RIPE

person:		 Roberto De Cristofaro
address:		Vodafone N.V.
address:		Via Jervis,13
address:		I-10015 Ivrea, TO
address:		Italy
phone:		  +39 0125624624
nic-hdl:		RD2747-RIPE
changed:		roberto.decristofaro[at]vodafone.com 20071206
source:		 RIPE

% Information related to '93.71.0.0/16AS30722'

route:		  93.71.0.0/16
descr:		  route to VF-IT DSL customers
origin:		 AS30722
mnt-by:		 VODAFONE-IT-MNT
changed:		roberto.decristofaro[at]vodafone.com 20100219
source:		 RIPE