Nmap Development mailing list archives
Range IP scan with option -sn show wrong result.
From: Willsz CS <willsznet () gmail com>
Date: Wed, 5 Jul 2017 12:30:30 +0700
Hi Folks, I've some problem with scanning host with nmap using format: 192.168.100.70-71 or 192.168.100.70,71 or 192.168.100.70-71,100 root:~# uname -smr FreeBSD 9.3-STABLE i386 root:~# nmap -v Starting Nmap 7.40 ( https://nmap.org ) at 2017-07-05 12:18 WIB Read data files from: /usr/local/share/nmap WARNING: No targets were specified, so 0 hosts scanned. Nmap done: 0 IP addresses (0 hosts up) scanned in 0.10 seconds Raw packets sent: 0 (0B) | Rcvd: 0 (0B) Here's an example I've done: root:~# nmap -sn 192.168.100.70-71 Starting Nmap 7.40 ( https://nmap.org ) at 2017-07-05 12:23 WIB Nmap scan report for ip.wifi-ap1.willsz.net (192.168.100.70) Host is up (0.00021s latency). MAC Address: 60:E3:27:BC:CC:76 (Tp-link Technologies) Nmap done: 2 IP addresses (1 host up) scanned in 0.33 seconds Output nmap only resulting 1 host UP, but actualy host .70 and .71 already UP: root:~# nmap -sn 192.168.100.70 Starting Nmap 7.40 ( https://nmap.org ) at 2017-07-05 12:23 WIB Nmap scan report for ip.wifi-ap1.willsz.net (192.168.100.70) Host is up (0.00016s latency). MAC Address: 60:E3:27:BC:CC:76 (Tp-link Technologies) Nmap done: 1 IP address (1 host up) scanned in 0.22 seconds root:~# nmap -sn 192.168.100.71 Starting Nmap 7.40 ( https://nmap.org ) at 2017-07-05 12:23 WIB Nmap scan report for ip.wifi-ap2.willsz.net (192.168.100.71) Host is up (0.00025s latency). MAC Address: 10:FE:ED:94:81:A9 (Tp-link Technologies) Nmap done: 1 IP address (1 host up) scanned in 0.22 seconds This problem same with other format too: root:~# nmap -sn 192.168.100.70-71,100 Starting Nmap 7.40 ( https://nmap.org ) at 2017-07-05 12:26 WIB Nmap scan report for pcbill.willsz.net (192.168.100.100) Host is up (0.000091s latency). MAC Address: 00:30:67:56:75:BF (Biostar Microtech Int'l) Nmap done: 3 IP addresses (1 host up) scanned in 0.33 seconds Would you give clue to fix this bug? Thank you.
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- Range IP scan with option -sn show wrong result. Willsz CS (Jul 04)