Below are the top 20 TLDs listed in SURBL (unique counts).
Numbers on the left are counts of the domains in the TLDs on the right:

155379 com
69829 us
47697 work
33836 biz
25475 xyz
19665 life
19202 icu
18938 net
12095 co.kr
11264 cloud
11018 world
9736 info
8926 top
7312 live
7297 site
7203 tokyo
6349 agency
6050 ru
5421 monster
5172 fit

Below are the top 10 of abused redirectors (to our knowledge):

1.	bit.ly
2.	bit.do
3.	ow.ly
4.	goo.gl
5.	x.co
6.	rebrand.ly
7.	tinyurl.com
8.	t.co
9.	is.gd
10.	ht.ly

Last update: Wed Aug 21 14:55:07 UTC 2019 (updated every hour)