Below are the top 40 TLDs listed in SURBL (ranked by unique counts).
Numbers on the right are counts of the domains in the TLDs in the middle:

1: com 166885
2: cn 88685
3: ru 57623
4: su 55831
5: xyz 52217
6: top 24494
7: net 17963
8: work 14446
9: biz 10620
10: me 6215
11: cam 5403
12: live 3821
13: tk 3679
14: buzz 3556
15: us 3512
16: org 3420
17: tokyo 3173
18: club 2683
19: co 2645
20: info 2290
21: vip 2182
22: cc 2126
23: casa 1983
24: app 1970
25: shop 1927
n/a: (weebly.com) 1696
n/a: (web.app) 1658
26: life 1576
27: xn--p1ai 1505
28: ml 1350
29: uk 1343
n/a: (gb.net) 1331
30: de 1302
n/a: (duckdns.org) 1294
31: ga 1247
32: link 1244
33: cf 1234
34: cfd 1224
35: fr 1187
36: kr 1172
37: jp 1124
38: asia 1023
n/a: (co.kr) 1012
n/a: (co.uk) 965
n/a: (page.link) 923
39: gq 886
40: br 828

Full list at http://www.surbl.org/static/tld-abuse-complete-rankings.txt

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

1. bit.ly
2. bit.do
3. cutt.ly
4. s.id
5. is.gd
6. tinyurl.com
7. t.co
8. gg.gg
9. rebrand.ly
10. bitly.com

The total domains in each of the SURBL datasets:
 
SURBL ABUSE: 523110 - SURBL CRACKED: 3532
SURBL MALWARE: 5756 - SURBL PHISH: 73134
 
SURBL FRESH is a subscriber only dataset not publicly available
The total listed domains in the SURBL FRESH dataset: 11240623

Last update: Thu Jan 20 18:55:24 UTC 2022 (updated every hour)