AS Name
HEARTNET
Org Name
Heart Network Co.,LTD
Registry Region
Japan
Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

6,144

IPv6 NUMs(/64)

0

6,144 IPv4 Addresses
CIDR Description IP Num
203.174.88.0/21 heartnet Heart Network Co.,LTD 2048
203.175.16.0/20 heartnet Heart Network Co.,LTD 4096
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,136,128 17,180,327,936 IPv4 IPv4
AS9009 M247 - M247 Ltd, GB United Kingdom 988,672 339,397,378,304 IPv4 IPv4
AS17676 GIGAINFRA - Softbank BB Corp., JP Japan 43,557,376 18,695,992,639,488 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,816 282,635,155,472,384 IPv4 IPv4
AS7522 STCN - STNet, Incorporated, JP Japan 529,408 4,294,967,296 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.176.62 1 Gbps 2018-07-09 03:14:19
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 218.100.6.152 10 Gbps 2018-11-15 12:47:36

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
203.174.89.161 1 hearts174089161.hearts.ne.jp
203.174.90.2 1 ns1.ark-inter.net
203.174.90.3 1 ns2.ark-inter.net
203.174.90.4 1 vcsv1.ark-inter.net
203.174.90.10 24 aiwa.exn.jp
203.174.90.11 7 2180.jp
203.174.90.12 2 toyo-suzuki.com
203.174.90.16 2 kyoei-electron.com
203.174.90.17 3 bs-tokyo.co.jp
203.174.90.19 1 lifeline.hearts.ne.jp
as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
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:       AS24248 - AS24297
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:        AS24290
as-name:        HEARTNET
descr:          Heart Network Co.,LTD
import:         from AS4713 100 accept ANY
import:         from AS7522 100 accept ANY
import:         from AS17676 100 accept ANY
export:         to AS4713 announce AS24290
export:         to AS7522 announce AS24290
export:         to AS17676 announce AS24290
country:        JP
admin-c:        NI183JP
tech-c:         NI183JP
last-modified:  2010-02-25T19:49:49Z
source:         JPNIC