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 52.94.72.0 against Barracuda Central. Not listed (NotExistentDomain). 18ms
041
+000
Checking 52.94.72.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 36ms
061
+000
Checking 52.94.72.0 against spamcop. Not listed (NotExistentDomain). 57ms
061
+000
Checking 52.94.72.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 54ms
062
+059
Checking 52.94.72.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 59ms
076
+000
Checking 52.94.72.0 against SURBL (multi). Not listed (NotExistentDomain). 72ms
100
+000
Checking 52.94.72.0 against GBUdb. Not listed (NotExistentDomain). 93ms
115
+000
Checking 52.94.72.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 107ms
116
+000
Checking 52.94.72.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 112ms
326
+000
Checking 52.94.72.0 against Spamrats!. Error: ServerFailure. 320ms
4.164
+000
Checking 52.94.72.0 against SORBS. Timeout. 4.159ms
4.165
+4.103
Done
4.165
+000
11 DNSBL's checked in 4.162ms.
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