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 18.155.72.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 21ms
034
+000
Checking 18.155.72.0 against Barracuda Central. Not listed (NotExistentDomain). 30ms
043
+000
Checking 18.155.72.0 against spamcop. Not listed (NotExistentDomain). 41ms
072
+000
Checking 18.155.72.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 69ms
074
+051
Checking 18.155.72.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 50ms
091
+058
Checking 18.155.72.0 against GBUdb. Not listed (NotExistentDomain). 57ms
100
+057
Checking 18.155.72.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 57ms
119
+000
Checking 18.155.72.0 against SURBL (multi). Not listed (NotExistentDomain). 117ms
132
+000
Checking 18.155.72.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 128ms
378
+000
Checking 18.155.72.0 against SORBS. Not listed (NotExistentDomain). 375ms
713
+000
Checking 18.155.72.0 against Spamrats!. Error: ServerFailure. 709ms
713
+639
Done
714
+000
11 DNSBL's checked in 711ms.
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