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 13.33.46.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 24ms
035
+034
Checking 13.33.46.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 33ms
036
+000
Checking 13.33.46.0 against Barracuda Central. Not listed (NotExistentDomain). 31ms
050
+000
Checking 13.33.46.0 against spamcop. Not listed (NotExistentDomain). 47ms
080
+000
Checking 13.33.46.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 76ms
098
+000
Checking 13.33.46.0 against GBUdb. Not listed (NotExistentDomain). 91ms
106
+000
Checking 13.33.46.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
157
+000
Checking 13.33.46.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 154ms
190
+000
Checking 13.33.46.0 against SURBL (multi). Not listed (NotExistentDomain). 187ms
545
+000
Checking 13.33.46.0 against Spamrats!. Error: ServerFailure. 540ms
2.254
+000
Checking 13.33.46.0 against SORBS. Timeout. 2.250ms
2.255
+2.220
Done
2.255
+000
11 DNSBL's checked in 2.253ms.
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