contact |  search |  sitemap

Sizes of black- and whitelists

The following table shows how many entries and IP addresses are listed in a DNS based white- or blacklist. The column entries indicates, how many net range entries are listed in the given list. The column range takes into account the size of each listing, meaning that net ranges in general can represent multiple IP addresses. The column coverage shows how much of the theoretical IPv4 address space is covered by a list.


id name range entries coverage
1 safe.sorbs.net 343775753 8810388 008.004153
2 UCEPROTECT L1 2806631 2806631 000.065347
3 NiX Spam 327313 327313 000.007621
5 sbl.spamhaus.org 2099798 5053 000.04889
6 njabl.org 4536714 4536714 000.105629
7 dul.sorbs.net 333293459 501447 007.760093
8 CBL 8517992 8517992 000.198325
10 pbl.spamhaus.org 487041484 1107977 011.339818
11 xbl.spamhaus.org 6216389 6216389 000.144737
15 ubl.lashback.com 793861 793861 000.018484
50 dnswl.org 91733 40368 000.002136
90 bogus ranges 1276379392 29 029.718024