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 52.222.203.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 19ms
021
+000
Checking 52.222.203.0 against SURBL (multi). Not listed (NotExistentDomain). 19ms
030
+000
Checking 52.222.203.0 against Barracuda Central. Not listed (NotExistentDomain). 28ms
041
+000
Checking 52.222.203.0 against spamcop. Not listed (NotExistentDomain). 39ms
055
+000
Checking 52.222.203.0 against SORBS. Not listed (NotExistentDomain). 53ms
056
+000
Checking 52.222.203.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 54ms
062
+000
Checking 52.222.203.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 59ms
091
+000
Checking 52.222.203.0 against GBUdb. Not listed (NotExistentDomain). 89ms
101
+000
Checking 52.222.203.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 98ms
104
+000
Checking 52.222.203.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 102ms
561
+000
Checking 52.222.203.0 against Spamrats!. Error: ServerFailure. 558ms
561
+540
Done
561
+000
11 DNSBL's checked in 560ms.
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