diff -r 5149c39f3dfc -r 74352351d6f5 pvl/hosts/zone.py
--- a/pvl/hosts/zone.py	Tue Mar 10 00:11:43 2015 +0200
+++ b/pvl/hosts/zone.py	Tue Mar 10 00:26:31 2015 +0200
@@ -2,7 +2,6 @@
     Generate zonefile records from hosts
 """
 
-import ipaddr
 import logging; log = logging.getLogger('pvl.hosts.zone')
 import pvl.dns
 import pvl.hosts.host
@@ -79,7 +78,7 @@
 
 def host_reverse (host, prefix) :
     """
-        Yield (ipaddr.IPAddress, ZoneRecord) tuples for host within given prefix's reverse-dns zone.
+        Yield (ipaddress.IPAddress, ZoneRecord) tuples for host within given prefix's reverse-dns zone.
     """
     
     for sublabel, ip in host.addresses():
@@ -168,7 +167,7 @@
         Generate DNS ZoneRecords within the given prefix's reverse-dns zone for hosts.
 
             hosts: [Host]               - Host's to render PTRs for
-            prefix: ipaddr.IPNetwork    - IPv4/IPv6 prefix to render PTRs for within associated in-addr.arpa/ip6.arpa zone
+            prefix: ipaddress.IPNetwork - IPv4/IPv6 prefix to render PTRs for within associated in-addr.arpa/ip6.arpa zone
             unknown_host: str           - render a PTR to the given host @unknown_domain for unassigned IPs within prefix
             unknown_domain: str         - required if unknown_host is given
 
@@ -191,7 +190,7 @@
 
     if unknown_host :
         # enumerate all of them
-        iter_ips = prefix.iterhosts()
+        iter_ips = prefix.hosts()
     else :
         iter_ips = sorted(by_ip)