You may perform this lookup using the API and get the results as easy-to-parse JSON data.
Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.
Checking 52.85.40.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 27ms
031
+000
Checking 52.85.40.0 against SURBL (multi). Not listed (NotExistentDomain). 29ms
032
+000
Checking 52.85.40.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
052
+000
Checking 52.85.40.0 against spamcop. Not listed (NotExistentDomain). 51ms
054
+053
Checking 52.85.40.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 53ms
056
+000
Checking 52.85.40.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 52ms
062
+000
Checking 52.85.40.0 against SORBS. Not listed (NotExistentDomain). 60ms
094
+000
Checking 52.85.40.0 against GBUdb. Not listed (NotExistentDomain). 90ms
098
+000
Checking 52.85.40.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 97ms
110
+000
Checking 52.85.40.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 107ms
290
+000
Checking 52.85.40.0 against Spamrats!. Error: ServerFailure. 287ms
290
+236
Done
290
+000
11 DNSBL's checked in 289ms.
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