Re: Scan traffic from 121.8.0.0/16

2008-03-06 Thread Patrick Clochesy
Probably not spoofed, I see a lot of scanning from China. route: 121.8.0.0/13 descr: From Guangdong Network of ChinaTelecom origin: AS4134 mnt-by: MAINT-CHINANET changed: [EMAIL PROTECTED] 20060707 source: APNIC person: Chinanet Hostmaster nic-hdl: CH93-AP e-mail: [EMAIL PROTECTED] addr

Re: Scan traffic from 121.8.0.0/16

2008-03-06 Thread Jon R. Kibler
Rich Sena wrote: Anyone seeing anything similar - trying to determine if this is spoofed etc... Why would you think it is a problem? It's China Telecom. What else would you expect? Off the sarcastic and onto the serious, I am seeing hits on 53/UDP and 25/TCP from a couple of hosts in tha

Re: Scan traffic from 121.8.0.0/16

2008-03-06 Thread Justin Shore
Rich Sena wrote: Anyone seeing anything similar - trying to determine if this is spoofed etc... I haven't picked up any SSH or telnet scans from that network. That's what I'm looking for at the moment. The amount of scans we're getting are quite impressive at times. I wish there was an

Re: 3rd party network monitoring

2008-03-06 Thread John A. Kilpatrick
On Wed, 5 Mar 2008, Tom Sands wrote: When we did get a hold of someone, they mentioned they could support simple ICMP requests. To them "simple" means it's just a ping check. They won't montior/graph/care about latency. I was pondering creating a "smoke ping collective". Get a bunch of g

Re: 3rd party network monitoring

2008-03-06 Thread Jeroen Massar
John A. Kilpatrick wrote: On Wed, 5 Mar 2008, Tom Sands wrote: When we did get a hold of someone, they mentioned they could support simple ICMP requests. To them "simple" means it's just a ping check. They won't montior/graph/care about latency. I was pondering creating a "smoke ping col

RE: Scan traffic from 121.8.0.0/16

2008-03-06 Thread Tomas L. Byrnes
Have you queried the DShield database for the hosts you are seeing? http://www.dshield.org/ipinfo.html?ip= add the IP after the = > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Rich Sena > Sent: Thursday, March 06, 2008 12:02 PM > To: NANOG >