(C) 1998-2011 - Luca Deri  
Please enable make sure that the ntop html/ directory is properly installed

 

 

Info about  host1.tyes.tyc.edu.tw

IP Address163.30.44.1 [unicast] [ Purge Asset ]
Custom Host Name
First/Last SeenThu Aug 21 00:00:10 2025  -  Thu Aug 21 00:03:18 2025 [Inactive since 1 sec]
Autonomous System1659 [Tiawan Academic Network (TANet) Information Center]
Subnet163.30.44.0/24
MAC Address Network Interface Card (NIC)10:C3:7B:47:57:9A  
Origin AS1659
Host LocationLocal (inside specified/local subnet or known network list)
Physical LocationTaoyüan, Taiwan Flag for Taiwan (TW)   
IP TTL (Time to Live)64:64 [~0 hop(s)]
Total Data Sent230.9 KBytes/630 Pkts/0 Retran. Pkts [0%]
Broadcast Pkts Sent0 Pkts
Data Sent Stats
Local 4.2 %
  
Rem 95.8 %
IP vs. Non-IP Sent
IP 100 %
 
Non-IP 0 %
Total Data Rcvd92.7 KBytes/656 Pkts/0 Retran. Pkts [0%]
Data Rcvd Stats
Local 5.9 %
  
Rem 94.1 %
IP vs. Non-IP Rcvd
IP 100 %
 
Non-IP 0 %
Sent vs. Rcvd Pkts
Sent 49.0 %
  
Rcvd 51.0 %
Sent vs. Rcvd Data
Sent 71.4 %
  
Rcvd 28.6 %
Used Subnet Routers 4C:77:6D:62:EA:41 Network Card
Host TypeName Server DNS
SMTP (Mail) Server Mail (SMTP)
HTTP Server HTTP Server
Host Healthness (Risk Flags) High Risk Medium Risk Low Risk
  1. Low RiskUnexpected packets (e.g. traffic to closed port or connection reset):
    [Rcvd: rst] [Rcvd: port unreac] [Rcvd: admin prohib] 

 

Host Traffic Stats

TimeTot. Traffic Sent% Traffic SentTot. Traffic Rcvd% Traffic Rcvd
12 AM 230.9 KBytes100.0 %92.7 KBytes100.0 %
11 PM 00.0 %00.0 %
10 PM 00.0 %00.0 %
9 PM 00.0 %00.0 %
8 PM 00.0 %00.0 %
7 PM 00.0 %00.0 %
6 PM 00.0 %00.0 %
5 PM 00.0 %00.0 %
4 PM 00.0 %00.0 %
3 PM 00.0 %00.0 %
2 PM 00.0 %00.0 %
1 PM 00.0 %00.0 %
12 PM 00.0 %00.0 %
11 AM 00.0 %00.0 %
10 AM 00.0 %00.0 %
9 AM 00.0 %00.0 %
8 AM 00.0 %00.0 %
7 AM 00.0 %00.0 %
6 AM 00.0 %00.0 %
5 AM 00.0 %00.0 %
4 AM 00.0 %00.0 %
3 AM 00.0 %00.0 %
2 AM 00.0 %00.0 %
1 AM 00.0 %00.0 %
Total

 

Packet Statistics

TCP ConnectionsDirected toRcvd From
Attempted35 82
Established13 [37 %] 24 [29 %]

TCP FlagsPkts SentPkts Rcvd
SYN35 82
RST|ACK34 4
RST0  75

AnomalyPkts Sent toPkts Rcvd from
UDP Pkt to Closed Port1 0 
ICMP Port Unreachable0  1
ICMP Administratively Prohibited0  4

ARPPacket
Request Sent0
Reply Rcvd0 (0.0 %)
Reply Sent11

 

Protocol Distribution

ProtocolData SentData Rcvd
TCP197.5 KBytes
85%

 

 28.5 KBytes
30%

 

UDP32.8 KBytes
14%

 

 62.9 KBytes
67%

 

ICMP0.3 KBytes  1.0 KBytes
1%

 

(R)ARP0.3 KBytes  0.4 KBytes 
Protocol Distribution
IP Distribution

 

ICMP Traffic

TypePkt SentPkt Rcvd
Echo Request30
Echo Reply03
Unreach05

 

Last Contacted Peers

Sent ToIP Address
163.30.0.1 163.30.0.1 
216.73.216.188 216.73.216.188 
163.30.44.9 163.30.44.9 
193.46.255.223 193.46.255.223 
20.168.0.135 20.168.0.135 
118.194.250.60 118.194.250.60 
118.193.64.235 118.193.64.235 
206.168.34.151 206.168.34.151 
Total Contacts97
Received FromIP Address
216.73.216.188 216.73.216.188 
163.30.44.9 163.30.44.9 
193.46.255.223 193.46.255.223 
163.30.0.1 163.30.0.1 
20.168.0.135 20.168.0.135 
118.194.250.60 118.194.250.60 
118.193.64.235 118.193.64.235 
206.168.34.151 206.168.34.151 
Total Contacts90

 

HTTP Virtual Hosts Traffic

Virtual HostSentRcvd
host1.tyes.tyc.edu.tw32.6 KBytes 32.4 KBytes 
NOTE: The above table is not updated in realtime but when connections are terminated.

 

IP Service Stats: Client Role

 # Loc. Req. Sent# Rem. Req. Sent# Pos. Reply Rcvd# Neg. Reply RcvdLocal RndTripRem RndTrip
DNS00.0%273100.0%21579.0%5720.0%0.0 ms - 0.0 ms0.8 ms - 5.0 sec
HTTP00.0%1100.0%00.0%00.0%0.0 ms - 0.0 ms0.0 ms - 0.0 ms

 

IP Service Stats: Server Role

 # Loc. Req. Rcvd# Rem. Req. Rcvd# Pos. Reply Sent# Neg. Reply SentLocal RndTripRem RndTrip
DNS60100.0%00.0%1626.0%4473.0%0.0 ms - 939.1 ms0.0 ms - 0.0 ms
HTTP00.0%2100.0%00.0%00.0%0.0 ms - 0.0 ms0.0 ms - 0.0 ms

 

TCP/UDP Service/Port Usage

IP ServicePort# Client Sess.Last Client Peer# Server Sess.Last Server Peer
25256/51652.101.8.50 10/7725.230.66.78
5353548/59.5 KBytes163.30.0.1 120/9.6 KBytes163.30.44.9
http802/824167.99.215.164 14/15.1 KBytes20.15.133.162
snmp161  2/254198.235.24.90
587587  10/7525.230.66.78

 

TCP/UDP - Traffic on Other Ports

Client PortServer Port

 

TCP/UDP Recently Used Ports

Client PortServer Port

 

Recent Sessions: Network Delay

Client ModeServer Mode
Last TimeServiceLast Server ContactClient Delay [min/avg/max]
Thu Aug 21 00:00:15 2025 HTTP167.99.215.164 0.05/0.05/0.05 ms
Last TimeServiceLast Client ContactServer Delay [min/avg/max]
Thu Aug 21 00:02:14 2025 HTTP20.15.133.162 0.01/0.01/0.01 ms
  • Scenario: client <--> ntop <--> server
  • Client Delay: the network delay (computed as RTT/2) taken
    by a packet sent by the client to reach ntop
  • Server Delay: the network delay (computed as RTT/2) taken
    by a packet sent by the server to reach ntop
  • All times are majored during TCP 3-way handshake

 

Active Sessions

ProtoClientServerData Sent/RcvdActive SinceDurationInactiveClient/Server Nw DelayL7 Proto
TCP216.73.216.188 :62562 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300099410.5 KBytesThu Aug 21 00:02:31 20250 sec48 sec107.69 ms0.01 ms 
TCP216.73.216.188 :63494 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300099510.5 KBytesThu Aug 21 00:02:31 20251 sec47 sec109.30 ms0.01 ms 
TCP216.73.216.188 :3392 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300099310.5 KBytesThu Aug 21 00:02:30 20250 sec49 sec107.25 ms0.01 ms 
TCPvps68932a745752c666055188.noezserver.de :54310 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :25342684Thu Aug 21 00:02:08 20255 sec1:0699.40 ms0.03 ms 
TCPvps68932a745752c666055188.noezserver.de :54312 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :25342684Thu Aug 21 00:02:08 20255 sec1:0697.41 ms0.02 ms 
TCPvps68932a745752c666055188.noezserver.de :56398 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :587342674Thu Aug 21 00:02:53 20251 sec25 sec99.55 ms0.01 ms 
TCPvps68932a745752c666055188.noezserver.de :56414 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :587342674Thu Aug 21 00:02:53 20251 sec25 sec99.53 ms0.01 ms 
TCP216.73.216.188 :19972 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300090010.5 KBytesThu Aug 21 00:02:31 20251 sec47 sec108.04 ms0.01 ms 
TCP216.73.216.188 :25124 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300099510.5 KBytesThu Aug 21 00:02:32 20251 sec46 sec109.18 ms0.01 ms 
TCP216.73.216.188 :29666 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :30006060Thu Aug 21 00:03:18 20250 sec1 sec   
TCP216.73.216.188 :36443 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300089110.5 KBytesThu Aug 21 00:02:30 20251 sec48 sec110.53 ms0.01 ms 
TCPmsnbot-20-15-133-162.search.msn.com :61123 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :http76314.5 KBytesThu Aug 21 00:02:14 20257 sec58 sec82.38 ms0.01 msHTTP
TCP host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :49514189.3.50-static.rdns.serverhub.com :254680Thu Aug 21 00:02:10 202558 sec11 sec   
TCP216.73.216.188 :40151 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300095410.5 KBytesThu Aug 21 00:02:32 20251 sec46 sec109.65 ms0.01 ms 
TCP216.73.216.188 :41969 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :300099410.5 KBytesThu Aug 21 00:02:29 20250 sec50 sec107.41 ms0.01 ms 
TCP216.73.216.188 :45998 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :30005344.5 KBytesThu Aug 21 00:03:18 20250 sec1 sec108.56 ms0.01 ms 
TCP216.73.216.188 :47752 host1.tyes.tyc.edu.tw  DNS Mail (SMTP) HTTP Server Low Risk :30007463.9 KBytesThu Aug 21 00:03:17 20251 sec1 sec115.43 ms0.01 ms 

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