AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
NCT NCT CO.,LTD. 5 1 10,240 4,294,967,296 Japan
10,240 IPv4 Addresses
CIDR Description IP Num
103.81.144.0/22 NCT NCT CO.,LTD. 1024
193.114.0.0/20 NCT NCT CO.,LTD. 4096
193.114.16.0/20 NCT NCT CO.,LTD. 4096
219.100.84.0/23 JPNIC-NET-JP Japan Network Information Center 512
219.100.86.0/23 JPNIC-NET-JP Japan Network Information Center 512
CIDR Description IP NUMs(prefix /64)
2400:7940::/32 NCT-JPNIC-JP-20161214 Japan Network Information Center 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS17639 CONVERGE-AS - ComClark Network & Technology Corp, PH Philippines 220,672 8,589,934,592 IPv4 IPv4
AS17676 GIGAINFRA - Softbank BB Corp., JP Japan 43,130,112 18,695,992,639,488 IPv4 IPv4 IPv6 IPv6
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv4 IPv4
AS2516 KDDI - KDDI CORPORATION, JP Japan 18,445,312 2,757,369,135,104 IPv6 IPv6
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,802,368 17,716,740,096 IPv4 IPv4
AS4713 OCN - NTT Communications Corporation, JP Japan 28,979,968 4,406,636,511,232 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 524,800 282,708,169,785,344 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,129,728 21,475,229,696 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,848 4,294,967,296 IPv4 IPv4
AS131914 DD-NET - data dock Inc., JP Japan 4,608 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan JPIX OSAKA - Japan Internet Exchange Osaka 103.246.232.85 2001:de8:8:6:0:5:9126:1 10 Gbps 2020-01-17 07:00:07
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.176.216 2001:7fa:7:1:0:5:9126:1 10 Gbps 2018-07-10 06:55:55
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 218.100.6.181 2001:de8:c::5:9126:1 10 Gbps 2018-11-15 12:47:35

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
103.81.144.24 1 ns01.nct9.ne.jp
103.81.144.25 1 ns02.nct9.ne.jp
103.81.147.2 1 ns.nagaoka-id.ac.jp
103.81.147.4 1 mx.nagaoka-id.ac.jp
103.81.147.5 1 palette2.nagaoka-id.ac.jp
103.81.147.6 1 opac.nagaoka-id.ac.jp
103.81.147.7 1 katakan.nagaoka-id.ac.jp
103.81.147.8 1 gyoseki.nagaoka-id.ac.jp
103.81.147.9 1 kyujin.nagaoka-id.ac.jp
103.81.147.30 1 e-campus.nagaoka-id.ac.jp
as-block:       AS58368 - AS59391
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2011-08-10T06:21:41Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS59091 - AS59130
descr:          JPNIC-2Byte-ASBLOCK-AP
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        for assignment to JPNIC members
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can also be
remarks:        queried at whois.nic.ad.jp
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2013-09-09T01:12:08Z
source:         APNIC

role:           Japan Network Information Center
address:        Urbannet-Kanda Bldg 4F
address:        3-6-2 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047,Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2012-08-28T07:58:02Z
source:         APNIC


aut-num:        AS59126
as-name:        NCT
descr:          NCT CO.,LTD.
import:
export:
country:        JP
admin-c:        JP00137939
tech-c:         JP00137939
last-modified:  2018-04-11T20:35:05Z
source:         JPNIC