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 18.173.240.0 against Barracuda Central. Not listed (NotExistentDomain). 32ms
046
+000
Checking 18.173.240.0 against spamcop. Not listed (NotExistentDomain). 43ms
049
+048
Checking 18.173.240.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
053
+000
Checking 18.173.240.0 against SURBL (multi). Not listed (NotExistentDomain). 50ms
053
+000
Checking 18.173.240.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 48ms
098
+000
Checking 18.173.240.0 against GBUdb. Not listed (NotExistentDomain). 92ms
106
+000
Checking 18.173.240.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
112
+000
Checking 18.173.240.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 108ms
158
+000
Checking 18.173.240.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 154ms
543
+000
Checking 18.173.240.0 against Spamrats!. Error: ServerFailure. 537ms
755
+000
Checking 18.173.240.0 against SORBS. Not listed (NotExistentDomain). 750ms
755
+705
Done
755
+000
11 DNSBL's checked in 753ms.
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