131.112.35.1

Basic Information

Network
TITECH Tokyo Institute of Technology (JP)
Routing
131.112.0.0/16 via AS11537 , AS2907 , AS9367
Protocols
22/SSH, 465/SMTP, 995/POP3S, 25/SMTP, 993/IMAPS
Tags
pop3s smtp ssh imaps

22/SSH


Details

SSHv2 Handshake

Server
OpenSSH 7.4
Banner
SSH-2.0-OpenSSH_7.4

Host Key

Algorithm
ecdsa-sha2-nistp256
Fingerprint
36b76bb86bb286fb7d81f4fffb64e13ebcd3552bae1705bd65ed0eb24aeb01b3

Negotiated Algorithm

Key Exchange
[email protected]
Symmetric Cipher
aes128-ctr [] | aes128-ctr []
MAC
hmac-sha2-256 [] | hmac-sha2-256 []

25/SMTP


Details

Banner Grab and StartTLS Initiation

Banner
220 smg.is.titech.ac.jp ESMTP unknown
EHLO
250-smg.is.titech.ac.jp
250-PIPELINING
250-SIZE 20480000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
STARTTLS
220 2.0.0 Ready to start TLS

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xC02F)

Certificate Chain

43e9204f928360d5439a3bc093a30e5b0e749cc6ac76007fdf34171e2c3ad112
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=smg.is.titech.ac.jp, [email protected]
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=Matsuoka Laboratory Private CA, [email protected]

465/SMTP


Details

Banner Grab

Banner
220 smg.is.titech.ac.jp ESMTP unknown

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xC02F)

Certificate Chain

43e9204f928360d5439a3bc093a30e5b0e749cc6ac76007fdf34171e2c3ad112
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=smg.is.titech.ac.jp, [email protected]
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=Matsuoka Laboratory Private CA, [email protected]

993/IMAPS


Details

Banner Grab

Banner
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot ready.

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xC02F)

Certificate Chain

43e9204f928360d5439a3bc093a30e5b0e749cc6ac76007fdf34171e2c3ad112
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=smg.is.titech.ac.jp, [email protected]
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=Matsuoka Laboratory Private CA, [email protected]

995/POP3S


Details

Banner Grab

Banner
+OK Dovecot ready.

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xC02F)

Certificate Chain

43e9204f928360d5439a3bc093a30e5b0e749cc6ac76007fdf34171e2c3ad112
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=smg.is.titech.ac.jp, [email protected]
C=JP, ST=Tokyo, O=Tokyo Institute of Technology, OU=Matsuoka Laboratory, CN=Matsuoka Laboratory Private CA, [email protected]

Geographic Location

City
Meguro-ku
Province
Tokyo
Country
Japan (JP)
Lat/Long
35.6419, 139.7023
Timezone
Asia/Tokyo