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 144.220.28.0 against Barracuda Central. Not listed (NotExistentDomain). 27ms
042
+000
Checking 144.220.28.0 against spamcop. Not listed (NotExistentDomain). 40ms
048
+047
Checking 144.220.28.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 47ms
075
+000
Checking 144.220.28.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 74ms
101
+000
Checking 144.220.28.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 98ms
117
+000
Checking 144.220.28.0 against SURBL (multi). Not listed (NotExistentDomain). 115ms
148
+000
Checking 144.220.28.0 against SORBS. Not listed (NotExistentDomain). 146ms
151
+000
Checking 144.220.28.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 148ms
160
+000
Checking 144.220.28.0 against GBUdb. Not listed (NotExistentDomain). 157ms
163
+000
Checking 144.220.28.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 161ms
291
+000
Checking 144.220.28.0 against Spamrats!. Error: ServerFailure. 288ms
291
+243
Done
291
+000
11 DNSBL's checked in 289ms.
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