Bulk IP Blacklist Check
Bulk IP blacklist check — spam and abuse reputation for up to 30 public IPv4 and IPv6 addresses.
Public IPv4 or IPv6 only — up to the limit shown in the page title. Checks run sequentially.
| # | IP | Status | Verdict | Listed | Categories |
|---|
About this tool
Run the same reputation scan as the single-IP blacklist tool across a pasted list. Quickly see which proxy exit IPs, mail servers, or log addresses are flagged before you put them into production or warm new sending infrastructure.
What you get
- Per-IP verdict: clean or listed with list counts
- Category hints when listings are found (spam, attacks, abuse)
- Summary totals for clean, listed, and failed rows
- Sequential processing with rate limits for stable results
How to use
Paste up to 30 public IPv4 or IPv6 addresses (one per line). Your IP can be prefilled. Each address is checked in order; use the summary row to spot problem addresses in a range.
FAQ
How to check multiple IPs against blacklists at once?
Paste a list of public IPv4 or IPv6 addresses and run the check. Each IP gets a clean or listed verdict with list counts.
Why check proxy exit IPs in bulk?
After testing a proxy pool, paste exit IPs here to see which addresses are flagged on spam or abuse lists before using them in production.
How many IPs can I blacklist-check per run?
Up to 30 addresses per run, processed sequentially with rate limits to keep DNSBL queries stable and reliable.
Does a clean bulk blacklist result guarantee deliverability?
No—DNSBL coverage is not exhaustive. A clean result is a useful signal, not a guarantee for every mail or security filter.
How to audit a mail server IP range for reputation?
Paste each outbound IP from your range and review listed rows before warming new IPs or migrating mail infrastructure.
Can I check IPv6 addresses against spam blacklists?
Yes—public IPv6 addresses are supported alongside IPv4; link-local and reserved ranges are rejected per row.
By using this tool you agree to our Terms of Use and Privacy Policy. Results are provided as-is without warranty.