46.129.0.0/16

ip:	46.129.0.0 46-129-0-0.cable.dynamic.v4.ziggo.nl
loc:	The Netherlands, Nieuwegein (Utrecht)  
isp:	AS33915 Vodafone Libertel B.V. » Vodafone Libertel B.V. » Ziggo B2B 363.937 ms
route:	46.129.0.0/16, NL-CHELLO-20101004 - Ziggo Services B.V., NL (Schin op Geul) ... 
reg:	46.129.0.0/16, NL, RIPE, 2010-10-04
asn:	AS33915 - TNF-AS Vodafone Libertel B.V., NL
	  AS6830  - LibertyGlobal Liberty Global (formerly UPC Broadband Holding, aka AORTA), NL
addr:	  Postbus 43048 3540AA Utrecht NETHERLANDS
online:	  9.808 » latency: 40 ms (45ms) 

see also:
   46.129.0.0/17    AS33915  ZIGGO-B2B This space is statically assigned, NL
   46.129.128.0/17  AS33915  ZIGGO-B2B This space is statically assigned, NL