The reformatting that splits long lines caught you:
+   .   .   .   .   .   list 101 denied icmp 10.4.12.2
+53 -> 10.7.151.48 :8/0:, 1 packet

The '53' was actually a continuation of "10.4.12.253".   (Well, I'm pretty sure anyway ... it's 4am here ... ;-)