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 15.181.244.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 29ms
038
+000
Checking 15.181.244.0 against SORBS. Not listed (NotExistentDomain). 36ms
041
+000
Checking 15.181.244.0 against Spamrats!. Not listed (NotExistentDomain). 39ms
043
+000
Checking 15.181.244.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 41ms
051
+000
Checking 15.181.244.0 against Barracuda Central. Not listed (NotExistentDomain). 48ms
051
+000
Checking 15.181.244.0 against SURBL (multi). Not listed (NotExistentDomain). 50ms
059
+000
Checking 15.181.244.0 against spamcop. Not listed (NotExistentDomain). 57ms
062
+000
Checking 15.181.244.0 against GBUdb. Not listed (NotExistentDomain). 59ms
062
+000
Checking 15.181.244.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 59ms
069
+000
Checking 15.181.244.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 68ms
075
+000
Checking 15.181.244.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 73ms
076
+045
Done
076
+000
11 DNSBL's checked in 74ms.
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