---
name: "zblacklist"
section: "1"
platform: "linux"
package: "zmap"
version: "2.1.1-2.1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/zblacklist"
---

# zblacklist(1)

zmap IP blacklist tool

## NAME

**zblacklist** - zmap IP blacklist tool

## SYNOPSIS

zblacklist \[ -b \<blacklist\> \] \[ -w \<whitelist\> \] \[ OPTIONS... \]

## DESCRIPTION

*ZBlacklist* is a network tool for limiting and deduplicating a list of IP addresses using a blacklist or whitelist.

## OPTIONS

### BASIC OPTIONS

- **-b**, **--blacklist-file=path**

  File of subnets to exclude, in CIDR notation, one-per line. It is recommended you use this to exclude RFC 1918 addresses, multicast, IANA reserved space, and other IANA special-purpose addresses. An example blacklist file **blacklist.conf** for this purpose.

- **-w**, **--whitelist-file=name**

  File of subnets to include, in CIDR notation, one-per line. All other subnets will be excluded.

- **-l**, **--log-file=name**

  File to log to.

- **-v**, **--verbosity**

  Level of log detail (0-5, default=3)

- **--no-duplicate-checking**

  Don´t deduplicate input addresses. Default is false.

- **--ignore-blacklist-errors**

  Ignore invalid entries in the blacklist. Default is false.