AS Number
AS Name
Org Name






AS7511 Looking Glass






IPv6 NUMs(/64)


71,680 IPv4 Addresses
CIDR Description IP Num SYNAPSE SYNAPSE Co.,Ltd. 1024 SYNAPSE SYNAPSE Co.,Ltd. 8192 SYNAPSE SYNAPSE Co.,Ltd. 8192 SYNAPSE SYNAPSE Co.,Ltd. 8192 SYNAPSE SYNAPSE Co.,Ltd. 8192 JPNIC-NET-JP Japan Network Information Center 8192 SYNAPSE SYNAPSE Co.,Ltd. 4096 JPNIC-NET-JP Japan Network Information Center 4096 SYNAPSE SYNAPSE Co.,Ltd. 4096 SYNAPSE SYNAPSE Co.,Ltd. 4096 JPNIC-NET-JP Japan Network Information Center 4096 JPNIC-NET-JP Japan Network Information Center 8192 JPNIC-NET-JP Japan Network Information Center 1024
CIDR Description IP NUMs(prefix /64)
2401:c800::/32 SYNAPSE-JPNIC-JP-20080605 Japan Network Information Center 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,194,752 21,475,753,984 IPv4 IPv4 IPv6 IPv6
AS9607 BBTower - BroadBand Tower, Inc., JP Japan 28,160 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,040 4,294,967,296 IPv4 IPv4
AS35280 ACORUS - ACORUS NETWORKS SAS, FR France 72,960 81,604,378,624 IPv4 IPv4
AS48024 NEROCLOUD - NEROCLOUD LTD, GB United Kingdom 35,840 17,716,805,632 IPv4 IPv4
AS54574 DMIT - DMIT Cloud Services, US United States 17,920 589,824 IPv4 IPv4
AS1828 UNITAS - Unitas Global LLC, US United States 38,656 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 494,848 282,665,488,744,448 IPv4 IPv4
AS55818 MCIX-AS-AP - MC-IX Matrix Internet Exchange RS-1, ID Indonesia 14,848 131,072 IPv4 IPv4
AS20485 TRANSTELECOM - Joint Stock Company TransTeleCom, RU Russian Federation 355,584 42,949,672,960 IPv4 IPv4
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,861,056 21,475,033,088 IPv4 IPv4 IPv6 IPv6
AS4713 OCN - NTT Communications Corporation, JP Japan 28,969,984 4,406,636,511,232 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7517 MII - ICOMT Inc., JP Japan 6,144 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan JPIX OSAKA - Japan Internet Exchange Osaka 2001:de8:8:6::7511:1 10 Gbps 2019-12-14 22:55:53
Japan BBIX Osaka - BroadBand Internet eXchange Osaka 2001:de8:c:2::7511:1 10 Gbps 2019-12-14 22:54:55
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 2001:de8:c::7511:1 10 Gbps 2018-11-15 12:47:34
Japan JPIX TOKYO - Japan Internet Exchange Tokyo 2001:de8:8::7511:1 10 Gbps 2017-03-29 16:28:34

Private Peering Facilities

Country/Region Name City Website Updated
NTT DATA Dojima (building #4) Osaka 2019-12-14 22:56:17
NTT DATA Otemachi Bldg Tokyo 2020-09-30 11:35:39
IP Address Domain NUMs Domains 1
as-block:       AS7467 - AS7722
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:  2008-09-04T06:40:26Z
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
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

as-block:       AS7500 - AS7531
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
remarks:        To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h 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:        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
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:        AS7511
as-name:        SYNAPSE
descr:          SYNAPSE Co.,Ltd.
country:        JP
admin-c:        JP00146894
tech-c:         JP00146894
last-modified:  2017-05-23T01:11:26Z
source:         JPNIC