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 18.245.28.0 against Barracuda Central. Not listed (NotExistentDomain). 25ms
032
+031
Checking 18.245.28.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 30ms
032
+000
Checking 18.245.28.0 against SORBS. Not listed (NotExistentDomain). 30ms
042
+000
Checking 18.245.28.0 against spamcop. Not listed (NotExistentDomain). 40ms
050
+000
Checking 18.245.28.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 48ms
054
+000
Checking 18.245.28.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 52ms
077
+000
Checking 18.245.28.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 75ms
148
+000
Checking 18.245.28.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 147ms
153
+000
Checking 18.245.28.0 against SURBL (multi). Not listed (NotExistentDomain). 152ms
233
+000
Checking 18.245.28.0 against GBUdb. Not listed (NotExistentDomain). 230ms
578
+000
Checking 18.245.28.0 against Spamrats!. Error: ServerFailure. 576ms
579
+547
Done
579
+000
11 DNSBL's checked in 577ms.
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