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 18.65.74.0 against Barracuda Central. Not listed (NotExistentDomain). 25ms
036
+000
Checking 18.65.74.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 33ms
041
+000
Checking 18.65.74.0 against spamcop. Not listed (NotExistentDomain). 39ms
044
+044
Checking 18.65.74.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 43ms
054
+000
Checking 18.65.74.0 against SORBS. Not listed (NotExistentDomain). 51ms
096
+000
Checking 18.65.74.0 against GBUdb. Not listed (NotExistentDomain). 92ms
103
+000
Checking 18.65.74.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 99ms
105
+000
Checking 18.65.74.0 against SURBL (multi). Not listed (NotExistentDomain). 103ms
108
+000
Checking 18.65.74.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 106ms
200
+000
Checking 18.65.74.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 197ms
389
+000
Checking 18.65.74.0 against Spamrats!. Error: ServerFailure. 386ms
390
+345
Done
390
+000
11 DNSBL's checked in 388ms.
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