Summary

NetName
OrgName
CIDR
RIR

APNIC

Country
Status

Abuse

Contact
RegDate

Updated

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS101 WASH-NSF-AS - University of Washington, US United States 8192 4295032832
AS293 ESNET, US United States 135936 4295163904
AS513 CERN - CERN - European Organization for Nuclear Research, CH Switzerland 354816 8589934592
AS2153 CENIC-2153 - CENIC, US United States 5120 16842752
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3777280 17716871168
AS2500 WIDE-BB - WIDE Project, JP Japan 65536 4294967296
AS3786 LGDACOM - LG DACOM Corporation, KR Republic of Korea 8711936 12784369664
AS4455 BSO - IX Reach Ltd, GB United Kingdom 56832 8590000128
AS4777 APNIC-COLO - Asia Pacific Network Information Centre, AU Australia 512 1073741824
AS6509 CANARIE-NTN - CANARIE Inc, CA Canada 768 4294967296
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518144 282631665745920
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1156352 25769934848
AS7660 APAN-JP - Asia Pacific Advanced Network - Japan, JP Japan 1024 553648128
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1498880 25770721280
AS9002 RETN-AS - RETN Limited, GB United Kingdom 31744 4294967296
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 8960 4294967296
AS18125 MAFFIN - Ministry of Agriculture, Forestry and Fisheries Research Network, JP Japan 65536 4294967296
AS20965 GEANT - GEANT Vereniging, NL Netherlands 9216 8589934592
AS23855 SINGAREN-GIX-AS-AP - SingAREN, SG Singapore 512 65536
AS24287 tein2-jp - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 256 65536
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4294967296
AS27750 Cooperación Latino Americana de Redes Avanzadas, UY Uruguay 2048 4294967296
AS35280 F5 - F5 Networks SARL, FR France 52224 81604378624
AS35889 GOREX - University of Hawaii, US United States 256 4294967296
AS38022 REANNZ-NZ-AP - Research and Education Advanced Network New Zealand, NZ New Zealand 13824 8589934592
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94720 355679338496
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2048 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 80384 111744712704

Whois

% Abuse contact for '147.157.0.0 - 147.157.255.255' is 'hostmaster@nic.ad.jp'

inetnum:        147.157.0.0 - 147.157.255.255
netname:        TCNET
descr:          Tsukuba College of Technology
country:        JP
admin-c:        TCoT1-AP
tech-c:         TCoT1-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2015-12-01T22:24:38Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-04-10T11:04:13Z
source:         APNIC

person:         Tsukuba College of Technology
address:        4-12-7 Kasuga
Tsukuba, 3050821
country:        JP
phone:          +81-298-52-2890
e-mail:         masaji@k.tsukuba-tech.ac.jp
nic-hdl:        TCoT1-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:
remarks:        poc-handle:  ZT23-ARIN
remarks:        is-role:     Y
remarks:        last-name:   Tsukuba College of Technology
remarks:        street:      4-12-7 Kasuga
Tsukuba, 3050821
remarks:        country:     JP
remarks:        mailbox:     masaji@k.tsukuba-tech.ac.jp
remarks:        bus-phone:   +81-298-52-2890
remarks:        reg-date:    2000-04-13
remarks:        changed:     hostmaster@arin.poc 20000413
remarks:        source:      ARIN
remarks:
remarks:        ----------
notify:         masaji@k.tsukuba-tech.ac.jp
mnt-by:         MNT-ERX-TSUKUBACOLTECH-NON-JP
last-modified:  2008-09-04T07:29:34Z
source:         APNIC

CIDR

147.157.128.0/24 147.157.129.0/24 147.157.130.0/24 147.157.131.0/24
147.157.133.0/24 147.157.134.0/24 147.157.135.0/24 147.157.136.0/24
147.157.138.0/24 147.157.139.0/24 147.157.140.0/24 147.157.141.0/24
147.157.143.0/24 147.157.144.0/24 147.157.145.0/24 147.157.146.0/24
147.157.148.0/24 147.157.149.0/24 147.157.150.0/24 147.157.151.0/24
147.157.153.0/24 147.157.154.0/24 147.157.155.0/24 147.157.156.0/24
147.157.158.0/24 147.157.159.0/24 147.157.160.0/24 147.157.161.0/24
147.157.163.0/24 147.157.164.0/24 147.157.165.0/24 147.157.166.0/24
147.157.168.0/24 147.157.169.0/24 147.157.170.0/24 147.157.171.0/24
147.157.173.0/24 147.157.174.0/24 147.157.175.0/24 147.157.176.0/24
147.157.178.0/24 147.157.179.0/24 147.157.180.0/24 147.157.181.0/24
147.157.183.0/24 147.157.184.0/24 147.157.185.0/24 147.157.186.0/24
147.157.188.0/24 147.157.189.0/24 147.157.190.0/24 147.157.191.0/24
147.157.193.0/24 147.157.194.0/24 147.157.195.0/24 147.157.196.0/24
147.157.198.0/24 147.157.199.0/24 147.157.200.0/24 147.157.201.0/24
147.157.203.0/24 147.157.204.0/24 147.157.205.0/24 147.157.206.0/24
147.157.208.0/24 147.157.209.0/24 147.157.210.0/24 147.157.211.0/24
147.157.213.0/24 147.157.214.0/24 147.157.215.0/24 147.157.216.0/24
147.157.218.0/24 147.157.219.0/24 147.157.220.0/24 147.157.221.0/24
147.157.223.0/24 147.157.224.0/24 147.157.225.0/24 147.157.226.0/24
147.157.228.0/24 147.157.229.0/24 147.157.230.0/24 147.157.231.0/24
147.157.233.0/24 147.157.234.0/24 147.157.235.0/24 147.157.236.0/24
147.157.238.0/24 147.157.239.0/24 147.157.240.0/24 147.157.241.0/24
147.157.243.0/24 147.157.244.0/24 147.157.245.0/24 147.157.246.0/24
147.157.248.0/24 147.157.249.0/24 147.157.250.0/24 147.157.251.0/24
147.157.253.0/24 147.157.254.0/24 147.157.255.0/24