---
name: "alive6"
section: "8"
platform: "linux"
package: "thc-ipv6"
version: "3.8-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/alive6"
---

# alive6(8)

## NAME

**alive6**

## SYNOPSIS

alive6 \[-CFHLMPSdlpvV\] \[-I srcip6\] \[-i file\] \[-o file\] \[-e opt\] \[-s port,..\] \[-a port,..\] \[-u port,..\] \[-T tag\] \[-W TIME\] interface \[unicast-or-multicast-address \[remote-router\]\]

## OPTIONS

```
  -i file    check systems from input file
  -o file    write results to output file
  -d         DNS resolve alive IPv6 addresses
  -M         enumerate hardware addresses (MAC) from input addresses (slow!)
  -C         enumerate common addresses of input networks, -CC for large scan
  -4 ipv4/range  test various IPv4 address encodings per network (eg 1.2.3.4/24)
  -p         send a ping packet for alive check (default)
  -e dst,hop send an errornous packets: destination (default), hop-by-hop
  -s port,port,..  TCP-SYN packet to ports for alive check or "portscan"
  -a port,port,..  TCP-ACK packet to ports for alive check
  -u port,port,..  UDP packet to ports for alive check
  -h         to display more command line options and help (-hh: more options)
Target address on command line or in input file can include ranges in the form
of 2001:db8::1-fff or 2001:db8::1-2:0-ffff:0:0-ffff, etc.
```

## AUTHOR

thc-ipv6 was written by van Hauser \<vh@thc.org\> / THC

The homepage for this toolkit is: https://github.com/vanhauser-thc/thc-ipv6

## COPYRIGHT

alive6 3.8 (c) 2020 by van Hauser / THC \<vh@thc.org\> www.github.com/vanhauser-thc/thc-ipv6