AS4721 (JCN) WHOIS Information

Whois

as-block:       AS1 - AS64511
descr:          Includes all AS numbers.
descr:          Required to allow any aut-num to be
descr:          added to the C4RR database by
descr:          the maintainers.
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
notify:         eng@canarie.ca
mnt-by:         CANARIE-MNT
changed:        unread@ripe.net 20000101
source:         CANARIE

as-block:       AS4602 - AS4848
descr:          ASN block not managed by the RIPE NCC
remarks:        ------------------------------------------------------
remarks:
remarks:        aut-num objects within this block represent routing
remarks:        policy published in the RIPE Database
remarks:
remarks:        For registration information,
remarks:        you can find the whois server to query, or the
remarks:        IANA registry to query on this web page:
remarks:        http://www.iana.org/assignments/ipv4-address-space
remarks:
remarks:        You can access databases of other RIR's at:
remarks:
remarks:        AFRINIC (Africa)
remarks:        http://www.afrinic.net/ whois.afrinic.net
remarks:
remarks:        APNIC (Asia Pacific)
remarks:        http://www.apnic.net/ whois.apnic.net
remarks:
remarks:        ARIN (Northern America)
remarks:        http://www.arin.net/ whois.arin.net
remarks:
remarks:        LACNIC (Latin America and the Carribean)
remarks:        http://www.lacnic.net/ whois.lacnic.net
remarks:
remarks:        ------------------------------------------------------
mnt-by:         RIPE-DBM-MNT
created:        2025-11-19T15:01:12Z
last-modified:  2025-11-19T15:01:12Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

as-block:       AS4608 - AS4864
type:           REGULAR
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:        Authoritative registration information for AS
remarks:        Numbers within this block remains in the APNIC
remarks:        whois database: whois.apnic.net or
remarks:        web site: http://www.apnic.net
remarks:        You may find aut-num objects for AS Numbers
remarks:        within this block in the RIPE Database where a
remarks:        routing policy is published in the RIPE Database
remarks:        data has been transferred from RIPE Whois Database 20050221
org:            ORG-APNC1-AFRINIC
admin-c:        APNC1-AFRINIC
tech-c:         APNC1-AFRINIC
mnt-by:         AFRINIC-DB-MNT
mnt-lower:      AFRINIC-HM-MNT
changed:        ***@ripe.net 20010423
changed:        ***@ripe.net 20040421
changed:        ***@ripe.net 20040504
changed:        ***@ripe.net 20050209
changed:        ***@afrinic.net 20050205
source:         AFRINIC

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
source:         APNIC

as-block:       AS4683 - AS4735
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:  2023-08-28T04:50:39Z
source:         APNIC

aut-num:        AS4721
as-name:        JCN
descr:          J:COM (former JCN)
member-of:      AS-JCN
import:         from AS-ANY   accept ANY AND NOT {0.0.0.0/0}
export:         to AS-ANY   announce AS-JCN AND NOT {0.0.0.0/0}
admin-c:        AS4721 Network Operations
tech-c:         AS4721 Network Operations
notify:         noc@as4721.net
mnt-by:         MAINT-AS9824
changed:        radb-notify@jupiter.jcom.co.jp 20150303
source:         RADB
last-modified:  2023-11-13T15:47:20Z