AS Number
AS18131
AS Name
DXNW
Org Name
NTT Communications Corporation
Country / Region
Japan
Registry

apnic

RegDate

Updated

2019-01-08T23:19:07Z

AS18131 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

2

IPv4 NUMs

512

IPv6 NUMs(/64)

131,072

512 IPv4 Addresses
CIDR Description IP Num
163.138.254.0/24
IRR InValid
NTTECL-JP Nippon Telegraph and Telephone Corporation 256
192.47.166.0/24
ROA Signed and Valid
KIT-CNETS imported inetnum object for JNIC 256
CIDR Description IP NUMs(prefix /64)
2001:df4:1f80::/48
ROA Signed and Valid
DXNW NTT Communications Corporation 65536
2402:c800:ff7b::/48
IAC-JPNIC-JP-20080728 Japan Network Information Center 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 27,392 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9370 SAKURA-B - SAKURA Internet Inc., JP Japan 340,992 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 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 IPv6 IPv6
AS64289 MACARNE - Macarne LLC, US United States 8,192 1,078,525,952 IPv4 IPv4
AS4713 OCN - NTT Communications Corporation, JP Japan 28,691,968 4,406,636,511,232 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 550,912 282,631,682,457,600 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.177.71 2001:7fa:7:1:0:1:8131:1 0 Mbps 2024-02-14 11:28:51

Private Peering Facilities

Country / Region Name City Website Updated
IP Address Domain NUMs Domains
192.47.166.1 1 d4b.jp
192.47.166.24 1 shogun01.d.ntt.com
as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS18121 - AS18152
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp.
remarks:        To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2017-06-12T03:54:32Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC


aut-num:        AS18131
as-name:        DXNW
descr:          NTT Communications Corporation
import:
export:
country:        JP
admin-c:        JP00251121
tech-c:         JP00251121
last-modified:  2024-01-25T03:23:40Z
source:         JPNIC