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 18.165.255.0 against SURBL (multi). Not listed (NotExistentDomain). 38ms
041
+000
Checking 18.165.255.0 against SORBS. Not listed (NotExistentDomain). 38ms
060
+000
Checking 18.165.255.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 59ms
060
+059
Checking 18.165.255.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 59ms
060
+021
Checking 18.165.255.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 20ms
068
+000
Checking 18.165.255.0 against spamcop. Not listed (NotExistentDomain). 66ms
110
+049
Checking 18.165.255.0 against Barracuda Central. Not listed (NotExistentDomain). 49ms
118
+058
Checking 18.165.255.0 against GBUdb. Not listed (NotExistentDomain). 57ms
123
+063
Checking 18.165.255.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 62ms
144
+103
Checking 18.165.255.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 102ms
732
+664
Checking 18.165.255.0 against Spamrats!. Error: ServerFailure. 663ms
732
+622
Done
732
+000
11 DNSBL's checked in 730ms.
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