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 18.165.168.0 against SURBL (multi). Not listed (NotExistentDomain). 37ms
048
+047
Checking 18.165.168.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 46ms
057
+000
Checking 18.165.168.0 against spamcop. Not listed (NotExistentDomain). 56ms
069
+000
Checking 18.165.168.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 67ms
089
+051
Checking 18.165.168.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 50ms
093
+046
Checking 18.165.168.0 against Barracuda Central. Not listed (NotExistentDomain). 45ms
127
+058
Checking 18.165.168.0 against GBUdb. Not listed (NotExistentDomain). 57ms
216
+127
Checking 18.165.168.0 against SORBS. Not listed (NotExistentDomain). 127ms
241
+148
Checking 18.165.168.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 147ms
273
+057
Checking 18.165.168.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 56ms
784
+726
Checking 18.165.168.0 against Spamrats!. Error: ServerFailure. 726ms
784
+543
Done
784
+000
11 DNSBL's checked in 783ms.
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