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 18.238.15.0 against SORBS. Not listed (NotExistentDomain). 23ms
029
+000
Checking 18.238.15.0 against Barracuda Central. Not listed (NotExistentDomain). 26ms
040
+000
Checking 18.238.15.0 against spamcop. Not listed (NotExistentDomain). 39ms
044
+000
Checking 18.238.15.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 41ms
064
+063
Checking 18.238.15.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 62ms
080
+000
Checking 18.238.15.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 78ms
093
+000
Checking 18.238.15.0 against GBUdb. Not listed (NotExistentDomain). 90ms
095
+000
Checking 18.238.15.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 92ms
104
+000
Checking 18.238.15.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
186
+000
Checking 18.238.15.0 against SURBL (multi). Not listed (NotExistentDomain). 184ms
298
+000
Checking 18.238.15.0 against Spamrats!. Error: ServerFailure. 295ms
298
+234
Done
298
+000
11 DNSBL's checked in 296ms.
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