Common Ports
| Port | Service |
|---|---|
| 21/tcp | FTP |
| 22/tcp | SSH |
| 23/tcp | Telnet |
| 25/tcp | SMTP |
| 49/tcp | TACACS |
| 53/udp | DNS |
| 67/udp | DHCP |
| 68/udp | DHCP |
| 69/udp | TFTP |
| 80/tcp | HTTP |
| 88/tcp | Kerberos |
| 110/tcp | POP3 |
| 111/tcp | RPC |
| 123/udp | NTP |
| 135/tcp | Windows RPC |
| 137/tcp | NetBIOS |
| 138/tcp | NetBIOS |
| 139/tcp | SMB |
| 143/tcp | IMAP |
| 161/udp | SNMP |
| 179/tcp | BGP |
| 201/tcp | AppleTalk |
| 389/tcp | LDAP |
| 443/tcp | HTTPS |
| 445/tcp | SMB |
| 500/udp | ISAKMP |
| 514/tcp | Syslog |
| 520/tcp | RIP |
| 546/tcp | DHCPv6 |
| 547/tcp | DHCPv6 |
| 587/tcp | SMTP |
| 902/tcp | VMWare |
| 1080/tcp | Socks Proxy |
| 1194/tcp | VPN |
| 1433/tcp | MS-SQL |
| 1434/tcp | MS-SQL |
| 1521/tcp | Oracle |
| 1629/tcp | DameWare |
| 2049/tcp | NFS |
| 3128/tcp | Squid Proxy |
| 3306/tcp | MySQL |
| 3389/tcp | RDP |
| 5060/tcp | SIP |
| 5222/tcp | Jabber |
| 5432/tcp | Postgres |
| 5666/tcp | Nagios |
| 5900/tcp | VNC |
| 6000/tcp | X11 |
| 6129/tcp | DameWare |
| 6667/tcp | IRC |
| 9001/tcp | Tor |
| 9001/tcp | HSQL |
| 9090/tcp | Openfire |
| 9091/tcp | Openfire |
| 9100/tcp | Jet Direct |
CIDR
| CIDR | Mask | Host Count |
|---|---|---|
| /31 | 255.255.255.254 | 1 |
| /30 | 255.255.255.252 | 2 |
| /29 | 255.255.255.248 | 6 |
| /28 | 255.255.255.240 | 14 |
| /27 | 255.255.255.224 | 30 |
| /26 | 255.255.255.192 | 62 |
| /25 | 255.255.255.128 | 126 |
| /24 | 255.255.255.0 | 254 |
| /23 | 255.255.254.0 | 510 |
| /22 | 255.255.252.0 | 1022 |
| /21 | 255.255.248.0 | 2046 |
| /20 | 255.255.240.0 | 4094 |
| /19 | 255.255.224.0 | 8190 |
| /18 | 255.255.192.0 | 16382 |
| /17 | 255.255.128.0 | 32766 |
| /16 | 255.255.0.0 | 65534 |
| /15 | 255.254.0.0 | 131070 |
| /14 | 255.252.0.0 | 262142 |
| /13 | 255.248.0.0 | 524286 |
| /12 | 255.240.0.0 | 1048574 |
| /11 | 255.224.0.0 | 2097150 |
| /10 | 255.192.0.0 | 4194302 |
| /9 | 255.128.0.0 | 8388606 |
| /8 | 255.0.0.0 | 16777214 |
TTL Fingerprinting
| TTL | OS |
|---|---|
| 128 | Windows |
| 64 | Linux |
| 255 | Network |
| 255 | Solaris |