AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
OKN NTT Communications Corporation 8 1 1,280 65,536 Japan
1,280 IPv4 Addresses
CIDR Description IP Num
138.243.248.0/24 N-BONE NTT Communications Corporation 256
138.243.248.0/23 N-BONE NTT Communications Corporation 512
138.243.248.0/22 N-BONE NTT Communications Corporation 1024
138.243.249.0/24 N-BONE NTT Communications Corporation 256
138.243.250.0/24 N-BONE NTT Communications Corporation 256
138.243.250.0/23 N-BONE NTT Communications Corporation 512
138.243.251.0/24 N-BONE NTT Communications Corporation 256
202.245.31.0/24 JPNIC-NET-JP Japan Network Information Center 256
CIDR Description IP NUMs(prefix /64)
2001:df0:43::/48 OKN-JPNIC-JP-20081017 NTT communications corporation 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7500 M-ROOT-DNS WIDE Project, JP Japan 1,024 4,294,967,296 IPv4 IPv4
AS7660 APAN-JP Asia Pacific Advanced Network - Japan, JP Japan 5,376 553,648,128 IPv4 IPv4
AS23779 N-BONE NTT Communications Corporation, JP Japan 65,536 0 IPv4 IPv4
AS25152 K-ROOT-SERVER Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv4 IPv4
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 7,051,776 21,475,688,448 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
202.245.31.138 1 ns.ipnw.net
202.245.31.142 1 www.ipnw.net
202.245.31.143 1 mail.ipnw.net
202.245.31.145 1 www.notemachi.net
202.245.31.164 2 toro.satowa.org
202.245.31.165 1 kaki.satowa.org
202.245.31.167 1 earth.satowa.org
as-block:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
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:       AS38627 - AS38656
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. 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:  2009-11-19T01:11:45Z
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:        AS38629
as-name:        OKN
descr:          NTT Communications Corporation
import:
export:
country:        JP
admin-c:        KK19488JP
tech-c:         JP00034411
last-modified:  2008-09-12T20:15:45Z
source:         JPNIC