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 3.163.48.0 against SURBL (multi). Not listed (NotExistentDomain). 38ms
049
+048
Checking 3.163.48.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 48ms
056
+000
Checking 3.163.48.0 against spamcop. Not listed (NotExistentDomain). 55ms
060
+000
Checking 3.163.48.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 59ms
082
+043
Checking 3.163.48.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 42ms
096
+047
Checking 3.163.48.0 against Barracuda Central. Not listed (NotExistentDomain). 47ms
157
+061
Checking 3.163.48.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 60ms
185
+103
Checking 3.163.48.0 against SORBS. Not listed (NotExistentDomain). 102ms
198
+138
Checking 3.163.48.0 against GBUdb. Not listed (NotExistentDomain). 137ms
285
+101
Checking 3.163.48.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
643
+587
Checking 3.163.48.0 against Spamrats!. Error: ServerFailure. 586ms
643
+486
Done
643
+000
11 DNSBL's checked in 642ms.
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