Actually, a few came along a little sooner, along with their addresses:
2a00:1110:253:910b:5ca1:eb1e:c7f9:9ae1 2A0011100253910B5CA1EB1EC7F99AE1.mobile.pool.telekom.hu 2a00:1110:656:55f8:f243:e02e:c1dc:21d1 2A001110065655F8F243E02EC1DC21D1.mobile.pool.telekom.hu 2a00:1110:22a:ff9b:5fc4:7808:faa2:51a3 2A001110022AFF9B5FC47808FAA251A3.mobile.pool.telekom.hu
awk '{print $2}' 'SetA.txt' | sed 's/.*\([[:xdigit:]]\{4\}\)\([^[:xdigit:]]\{0,1\}\)\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\)\2\([[:xdigit:]]\{4\}\).*/\1:\3:\4:\5:\6:\7:\8:\9/g' > SetA-output.txt
The answers are: 2A00:1110:0253:910B:5CA1:EB1E:C7F9:9AE1 2A00:1110:0656:55F8:F243:E02E:C1DC:21D1 2A00:1110:022A:FF9B:5FC4:7808:FAA2:51A3 And dig -x is happy now. George Langford
