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 71.152.100.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 36ms
042
+000
Checking 71.152.100.0 against spamcop. Not listed (NotExistentDomain). 40ms
048
+000
Checking 71.152.100.0 against SURBL (multi). Not listed (NotExistentDomain). 47ms
089
+041
Checking 71.152.100.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 40ms
105
+000
Checking 71.152.100.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 104ms
133
+028
Checking 71.152.100.0 against SORBS. Not listed (NotExistentDomain). 27ms
191
+058
Checking 71.152.100.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 57ms
247
+158
Checking 71.152.100.0 against GBUdb. Not listed (NotExistentDomain). 158ms
255
+064
Checking 71.152.100.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 64ms
646
+604
Checking 71.152.100.0 against Spamrats!. Error: ServerFailure. 604ms
2.507
+2.470
Checking 71.152.100.0 against Barracuda Central. Timeout. 2.469ms
2.508
+000
Done
2.508
+000
11 DNSBL's checked in 2.506ms.
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