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 15.158.83.0 against Barracuda Central. Not listed (NotExistentDomain). 29ms
040
+000
Checking 15.158.83.0 against spamcop. Not listed (NotExistentDomain). 38ms
049
+000
Checking 15.158.83.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 47ms
056
+055
Checking 15.158.83.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 54ms
059
+000
Checking 15.158.83.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 56ms
092
+000
Checking 15.158.83.0 against GBUdb. Not listed (NotExistentDomain). 90ms
094
+000
Checking 15.158.83.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 92ms
103
+000
Checking 15.158.83.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
119
+000
Checking 15.158.83.0 against SURBL (multi). Not listed (NotExistentDomain). 117ms
531
+000
Checking 15.158.83.0 against Spamrats!. Error: ServerFailure. 529ms
2.046
+000
Checking 15.158.83.0 against SORBS. Timeout. 2.044ms
2.046
+1.990
Done
2.046
+000
11 DNSBL's checked in 2.045ms.
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