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 185.175.91.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 43ms
071
+026
Checking 185.175.91.0 against Barracuda Central. Not listed (NotExistentDomain). 25ms
126
+055
Checking 185.175.91.0 against spamcop. Not listed (NotExistentDomain). 54ms
190
+000
Checking 185.175.91.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 51ms
258
+068
Checking 185.175.91.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 67ms
273
+000
Checking 185.175.91.0 against SURBL (multi). Not listed (NotExistentDomain). 134ms
321
+063
Checking 185.175.91.0 against GBUdb. Not listed (NotExistentDomain). 62ms
375
+103
Checking 185.175.91.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 102ms
420
+294
Checking 185.175.91.0 against Spamrats!. Error: ServerFailure. 294ms
523
+202
Checking 185.175.91.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 201ms
1.328
+000
Checking 185.175.91.0 against SORBS. Not listed (NotExistentDomain). 1.065ms
1.328
+908
Done
1.329
+000
11 DNSBL's checked in 1.326ms.
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