Commenting myself, there is an machine in the first address of each the announced blocks. Just in the case someone want to ping/traceroute. (189.0.0.1, 189.128.0.1, 190.0.0.1, 190.128.0.1) I forgot to mention this before.
from a quite competent dsl provider in hawai`i roam.psg.com:/usr/home/randy> for i in 189.0.0.1 189.128.0.1 190.0.0.1 190.128.0.1; do ping -c 5 $i; done PING 189.0.0.1 (189.0.0.1): 56 data bytes --- 189.0.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 189.128.0.1 (189.128.0.1): 56 data bytes --- 189.128.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 190.0.0.1 (190.0.0.1): 56 data bytes --- 190.0.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 190.128.0.1 (190.128.0.1): 56 data bytes --- 190.128.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss from a machine dual-homed to to major tier-1s in seattle psg.com:/usr/home/randy> for i in 189.0.0.1 189.128.0.1 190.0.0.1 190.128.0.1; do ping -c 5 $i; done PING 189.0.0.1 (189.0.0.1): 56 data bytes --- 189.0.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 189.128.0.1 (189.128.0.1): 56 data bytes --- 189.128.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 190.0.0.1 (190.0.0.1): 56 data bytes --- 190.0.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss PING 190.128.0.1 (190.128.0.1): 56 data bytes --- 190.128.0.1 ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss and they are in the routing tables randy