I received a spam today from the following IP address:
65.55.116.16
This was an obvious phishing scam the IP address is on public blacklists.
Service providers are supposed to stop spam coming from the IP addresses they manage.
This one range apparently has 244 listed spam hosts.
http://www.tcpiputils.com/browse/ip-address/65.55.116.16
Number of SPAM hosts on 65.52.0.0/14 224
IP address 65.55.116.16
Reverse DNS (PTR record) blu004-omc1s5.hotmail.com
DNS server (NS record) ns4.msft.net (208.76.45.53)
ns3.msft.net (193.221.113.53)
ns1.msft.net (208.84.0.53)
ns2.msft.net (208.84.2.53)
ASN number 8075
ASN name (ISP) Microsoft Corporation
IP-range/subnet 65.52.0.0/14
65.52.0.0 – 65.55.255.255
recent.dnsbl.sorbs.net listed
Number of SPAM hosts on 65.52.0.0/14 224