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 54.192.104.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 35ms
041
+000
Checking 54.192.104.0 against spamcop. Not listed (NotExistentDomain). 39ms
131
+094
Checking 54.192.104.0 against Barracuda Central. Error: ServerFailure. 93ms
192
+061
Checking 54.192.104.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 61ms
198
+000
Checking 54.192.104.0 against SORBS. Not listed (NotExistentDomain). 84ms
244
+000
Checking 54.192.104.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 80ms
248
+000
Checking 54.192.104.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 139ms
261
+000
Checking 54.192.104.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 145ms
293
+000
Checking 54.192.104.0 against SURBL (multi). Not listed (NotExistentDomain). 187ms
326
+000
Checking 54.192.104.0 against GBUdb. Not listed (NotExistentDomain). 179ms
440
+399
Checking 54.192.104.0 against Spamrats!. Error: ServerFailure. 399ms
441
+249
Done
441
+000
11 DNSBL's checked in 439ms.
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