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 140.228.28.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 39ms
041
+000
Checking 140.228.28.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
048
+000
Checking 140.228.28.0 against spamcop. Not listed (NotExistentDomain). 41ms
054
+000
Checking 140.228.28.0 against SURBL (multi). Not listed (NotExistentDomain). 46ms
066
+000
Checking 140.228.28.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 54ms
095
+000
Checking 140.228.28.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 84ms
121
+000
Checking 140.228.28.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 108ms
126
+000
Checking 140.228.28.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 117ms
176
+000
Checking 140.228.28.0 against GBUdb. Not listed (NotExistentDomain). 163ms
441
+000
Checking 140.228.28.0 against SORBS. Not listed (NotExistentDomain). 431ms
592
+000
Checking 140.228.28.0 against Spamrats!. Error: ServerFailure. 580ms
592
+552
Done
592
+000
11 DNSBL's checked in 591ms.
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