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 13.33.29.0 against Barracuda Central. Not listed (NotExistentDomain). 17ms
024
+000
Checking 13.33.29.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 22ms
040
+000
Checking 13.33.29.0 against spamcop. Not listed (NotExistentDomain). 39ms
048
+047
Checking 13.33.29.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
066
+000
Checking 13.33.29.0 against GBUdb. Not listed (NotExistentDomain). 64ms
102
+000
Checking 13.33.29.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 100ms
102
+000
Checking 13.33.29.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
111
+000
Checking 13.33.29.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 108ms
186
+000
Checking 13.33.29.0 against SURBL (multi). Not listed (NotExistentDomain). 185ms
467
+000
Checking 13.33.29.0 against Spamrats!. Error: ServerFailure. 464ms
1.562
+000
Checking 13.33.29.0 against SORBS. Not listed (NotExistentDomain). 1.560ms
1.562
+1.514
Done
1.562
+000
11 DNSBL's checked in 1.561ms.
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