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 18.173.148.0 against Barracuda Central. Not listed (NotExistentDomain). 18ms
023
+000
Checking 18.173.148.0 against SURBL (multi). Not listed (NotExistentDomain). 21ms
035
+000
Checking 18.173.148.0 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 32ms
042
+000
Checking 18.173.148.0 against spamcop. Not listed (NotExistentDomain). 40ms
060
+059
Checking 18.173.148.0 against Spamhaus ZEN. Not listed (NotExistentDomain). 59ms
073
+000
Checking 18.173.148.0 against ips.backscatterer.org. Not listed (NotExistentDomain). 71ms
092
+000
Checking 18.173.148.0 against GBUdb. Not listed (NotExistentDomain). 88ms
104
+000
Checking 18.173.148.0 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
105
+000
Checking 18.173.148.0 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 103ms
200
+000
Checking 18.173.148.0 against SORBS. Not listed (NotExistentDomain). 198ms
408
+000
Checking 18.173.148.0 against Spamrats!. Error: ServerFailure. 405ms
408
+348
Done
408
+000
11 DNSBL's checked in 407ms.
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