Better ip alias; thanks @slb350!

```
$ time curl icanhazip.com
108...
noglob curl icanhazip.com  0.19s user 0.00s system 61% cpu 0.314 total

$ time curl ifconfig.me
108...
noglob curl ifconfig.me  0.00s user 0.00s system 0% cpu 2.097 total
```