AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
WIDE-BB WIDE Project 14 1 330,240 4,294,967,296 Japan
330,240 IPv4 Addresses
CIDR Description IP Num
133.4.128.0/18 JPNIC-NET-JP-ERX Japan Network Information Center 16384
133.138.0.0/24 JPNIC-NET-JP-ERX Japan Network Information Center 256
133.138.0.0/16 JPNIC-NET-JP-ERX Japan Network Information Center 65536
133.144.0.0/24 JPNIC-NET-JP-ERX Japan Network Information Center 256
133.144.0.0/16 JPNIC-NET-JP-ERX Japan Network Information Center 65536
150.52.0.0/24 JAPAN150 country: JP Japan Network Information Center 256
150.52.0.0/16 JAPAN150 country: JP Japan Network Information Center 65536
163.221.0.0/24 AISTNET country: JP Nara Institute of Science and Technology, National University Corporation 256
163.221.0.0/16 AISTNET country: JP Nara Institute of Science and Technology, National University Corporation 65536
192.218.228.0/24 JAPAN-NETBLOCK-INET country: JP imported inetnum object for JNIC 256
202.0.73.0/24 JUN-EXPO-JP Keio Univ. Murai Laboratory 256
202.244.32.0/21 JPNIC-NET-JP Japan Network Information Center 2048
202.249.0.0/18 JPNIC-NET-JP Japan Network Information Center 16384
203.178.128.0/17 JPNIC-NET-JP Japan Network Information Center 32768
CIDR Description IP NUMs(prefix /64)
2001:200::/32 WIDE-JP-19990813 WIDE project 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 7,052,544 25,771,376,640 IPv4 IPv4 IPv6 IPv6
AS4713 OCN - NTT Communications Corporation, JP Japan 28,979,968 4,406,636,511,232 IPv4 IPv4 IPv6 IPv6
AS4777 APNIC-NSPIXP2-AS - Asia Pacific Network Information Centre, JP Japan 256 536,870,912 IPv4 IPv4
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
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv4 IPv4
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,802,368 17,716,740,096 IPv4 IPv4
AS2516 KDDI - KDDI CORPORATION, JP Japan 18,445,312 2,757,369,135,104 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS38635 KEIO-NET - Keio University, JP Japan 131,072 131,072 IPv4 IPv4
AS55384 JAIST-EXP - Japan Advanced Institute of Science and Technology, JP Japan 16,384 65,536 IPv4 IPv4
AS131158 NAIST-AS - Nara Institute of Science and Technology, National University Corporation, JP Japan 512 0 IPv4 IPv4
AS2501 UTnet - The University of Tokyo, JP Japan 200,704 65,536 IPv4 IPv4
AS23634 E-DNS-JP - WIDE Project, JP Japan 256 536,870,912 IPv4 IPv4 IPv6 IPv6
AS10014 NIHON-U - Nihon University, JP Japan 65,536 65,536 IPv4 IPv4
AS23799 NDA - National Defense Academy, JP Japan 2,048 0 IPv4 IPv4
AS24047 ISC-KIX1 - Internet Systems Consortium, JP Japan 256 0 IPv4 IPv4
AS1149 SURFNET-AS - SURFnet bv, NL Netherlands 512 16,777,216 IPv6 IPv6
AS2907 JPNIC-2Byte-ASBLOCK-AP - for assignment to JPNIC members, JP Japan 8,829,264 8,589,934,592 IPv4 IPv4
AS4718 CKP - Cyber Kansai Project, JP Japan 1,024 4,294,967,296 IPv4 IPv4
AS9367 TITECH - Tokyo Institute of Technology, JP Japan 65,536 4,294,967,296 IPv4 IPv4
AS17932 JAIST - Japan Advanced Institute of Science and Technology, JP Japan 65,792 65,536 IPv4 IPv4
AS4717 AI3 - WIDE Project, JP Japan 16,384 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7660 APAN-JP - Asia Pacific Advanced Network - Japan, JP Japan 5,376 553,648,128 IPv4 IPv4 IPv6 IPv6
AS7500 M-ROOT-DNS - WIDE Project, JP Japan 1,024 4,294,967,296 IPv4 IPv4
AS7667 KDDLAB - KDDI R&D Laboratories, INC., JP Japan 1,280 4,259,840 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Palo Alto - Equinix Internet Exchange Palo Alto 198.32.176.178 100 Mbps 2016-03-14 21:31:37
Japan DIX-IE - Distributed IX in EDO (former NSPIXP2) 202.249.2.83 1 Gbps 2016-03-14 21:42:32

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
133.138.1.1 2 widefw.csl.sony.co.jp
133.138.1.220 1 keisuke.org
133.138.4.8 1 chime.csl.sony.co.jp
as-block:       AS2497 - AS2528
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:  2017-06-12T03:54:29Z
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:        AS2500
as-name:        WIDE-BB
descr:          WIDE Project
import:
export:
country:        JP
admin-c:        JM002JP
tech-c:         AK003JP
last-modified:  2006-11-14T20:25:08Z
source:         JPNIC