Details about AS (Autonomous System) number

AS2501

The University of Tokyo

AS2501 - The University of Tokyo

Country🇯🇵 Japan
AddressUchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan
ASN type
Education
RegistryAPNIC
Website
Logo
u-tokyo.ac.jp
Hosted domains53
Allocated0
Updated2014-03-19

Hosted domains

There are 53 domain names hosted on this ASN.

Domain
Rank
Logo
ipmu.jp
606,291
Logo
jocd.org
1,081,869
Logo
utgenome.org
1,379,685
Logo
skincancer.jp
2,542,715
Logo
hcw2024.jp
2,611,237
Domain
Rank
Logo
orthoscope.jp
2,855,602
Logo
healthcommunication.jp
2,868,189
Logo
neurosonology.jp
2,913,140
Logo
stentgraft.jp
3,481,595
Logo
univ-hosp.net
3,919,690

IP ranges

The ASN has 6 associated IP address ranges.

IP
Version
130.69.0.0/16
IPv4
133.11.0.0/16
IPv4
157.82.0.0/16
IPv4
IP
Version
192.51.208.0/20
IPv4
2404:d540::/32
IPv6
2404:d540:1::/48
IPv6

WHOIS details

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
Autonomous System Information:
a. [AS Number]                  2501
b. [AS Name]                    UTnet
g. [Organization]               The University of Tokyo
m. [Administrative Contact]     MN010JP
n. [Technical Contact]          YS7474JP
n. [Technical Contact]          MN010JP
q. [Abuse]                      
o. [IMPORT]                     from AS2500 100 accept ANY
o. [IMPORT]                     from AS2907 100 accept ANY
p. [EXPORT]                     to AS2500 announce AS2501
p. [EXPORT]                     to AS2907 announce AS2501
[Assigned Date]                 
[Last Update]                   2014/03/18 15:59:42(JST)

Most popular IPs on AS2501
The University of Tokyo

  • IP
  • Domains
  • 130.69.94.132
    24
  • 130.69.94.134
    5
  • 133.11.87.57
    2
  • 157.82.238.55
    1
  • 133.11.32.71
    1
  • 157.82.238.86
    1
  • 157.82.142.27
    1
  • 157.82.29.70
    1
  • 130.69.198.127
    1
  • 157.82.13.215
    1

Best Email hosting on AS2501
The University of Tokyo

  • Email providers
  • Domains
  • google.com
    5
  • ac.jp
    3
  • ndx.jp
    2
  • googlemail.com
    2
  • asiabarometer.org
    1
  • amazonaws.com
    1
  • harada-lab.net
    1
  • synesthete.org
    1
  • kashiwa-smart.jp
    1
  • globalbase.org
    1

Best domain registrar on AS2501
The University of Tokyo

  • Provider
  • Domains
  • ac.jp
    28
  • dnsv.jp
    4
  • value-domain.com
    2
  • name-services.com
    2
  • awsdns-24.org
    1
  • awsdns-21.com
    1
  • star-domain.jp
    1
  • asiabarometer.org
    1
  • gmoserver.jp
    1
  • muumuu-domain.com
    1