ASN Lookup Tool

Singapore Telecom Japan Ltd singtel.com JP JP 2 Routes

AS Data

AS17977

AS17977 – Singapore Telecom Japan Ltd

AS Number 17977
AS Name SINGTEL-JP
Organization Singapore Telecom Japan Ltd(org-stjl1-ap)
Country JP
Website singtel.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type ISP
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
120.72.64.0/20 4096
203.173.64.0/20 4096

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS17977'

% Abuse contact for 'AS17977' is 'leonkoh@singtel.com'

aut-num:        AS17977
as-name:        SINGTEL-JP
descr:          NF Park Bldg.3F, 9-15, Futaba 2-Chome
descr:          Shinagawa-ku, Tokyo 142-0043, Japan
country:        JP
import:         from AS7473 action pref=10; accept AS7473
import:         from AS2914 action pref=10; accept AS2914
export:         to AS7473 announce AS17977
export:         to AS2914 announce AS17977
org:            ORG-STJL1-AP
admin-c:        MA87-AP
tech-c:         GM44-AP
abuse-c:        AS2806-AP
mnt-lower:      MAINT-JP-STJP
mnt-routes:     MAINT-JP-STJP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SINGTEL-JP
last-modified:  2021-01-18T23:20:06Z
source:         APNIC

irt:            IRT-SINGTEL-JP
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
e-mail:         leonkoh@singtel.com
abuse-mailbox:  leonkoh@singtel.com
admin-c:        MA87-AP
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
auth:           # Filtered
remarks:        leonkoh@singtel.com was validated on 2025-09-18
mnt-by:         MAINT-JP-STJP
last-modified:  2025-11-18T00:27:02Z
source:         APNIC

organisation:   ORG-STJL1-AP
org-name:       Singapore Telecom Japan Ltd
org-type:       LIR
country:        JP
address:        NF Park Building, 3F
address:        9-15, Futaba 2-Chome Shinagawa
phone:          +81-3-5498-6548
fax-no:         +81-3-5498-6532
e-mail:         g-stixpeer@singtel.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:51Z
source:         APNIC

role:           ABUSE SINGTELJP
country:        ZZ
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
phone:          +000000000
e-mail:         leonkoh@singtel.com
admin-c:        MA87-AP
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
nic-hdl:        AS2806-AP
remarks:        Generated from irt object IRT-SINGTEL-JP
remarks:        leonkoh@singtel.com was validated on 2025-09-18
abuse-mailbox:  leonkoh@singtel.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-18T07:19:56Z
source:         APNIC

person:         Ghazali Maon
address:        Telepark
address:        5 Tampines Central 6
address:        #07-03
address:        Singapore 529482
country:        SG
phone:          +65-7808001
fax-no:         +65-7882931
fax-no:         +65-7883462
e-mail:         ghaz@singtel.com
nic-hdl:        GM44-AP
mnt-by:         MAINT-TW-STTW
last-modified:  2017-04-13T03:21:38Z
source:         APNIC

person:         Masahiko Ando
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
country:        JP
phone:          +813-5498-6548
fax-no:         +813-5498-6532
e-mail:         masahiko@singtel.com
nic-hdl:        MA87-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:18Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       17915 - 18185
ASName:         APNIC-ASBLOCK-17915
ASHandle:       AS17915
RegDate:        2002-09-11
Updated:        2024-09-25
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/17915

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

No match!!

Reference: WHOIS servers of RIRs
  APNIC WHOIS(whois.apnic.net)
  ARIN WHOIS(whois.arin.net)
  RIPE WHOIS(apps.db.ripe.net)
  LACNIC WHOIS(whois.lacnic.net)
  AfriNIC WHOIS(whois.afrinic.net)
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS17977'

% Abuse contact for 'AS17977' is 'leonkoh@singtel.com'

aut-num:        AS17977
as-name:        SINGTEL-JP
descr:          NF Park Bldg.3F, 9-15, Futaba 2-Chome
descr:          Shinagawa-ku, Tokyo 142-0043, Japan
country:        JP
import:         from AS7473 action pref=10; accept AS7473
import:         from AS2914 action pref=10; accept AS2914
export:         to AS7473 announce AS17977
export:         to AS2914 announce AS17977
org:            ORG-STJL1-AP
admin-c:        MA87-AP
tech-c:         GM44-AP
abuse-c:        AS2806-AP
mnt-lower:      MAINT-JP-STJP
mnt-routes:     MAINT-JP-STJP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SINGTEL-JP
last-modified:  2021-01-18T23:20:06Z
source:         APNIC

irt:            IRT-SINGTEL-JP
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
e-mail:         leonkoh@singtel.com
abuse-mailbox:  leonkoh@singtel.com
admin-c:        MA87-AP
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
auth:           # Filtered
remarks:        leonkoh@singtel.com was validated on 2025-09-18
mnt-by:         MAINT-JP-STJP
last-modified:  2025-11-18T00:27:02Z
source:         APNIC

organisation:   ORG-STJL1-AP
org-name:       Singapore Telecom Japan Ltd
org-type:       LIR
country:        JP
address:        NF Park Building, 3F
address:        9-15, Futaba 2-Chome Shinagawa
phone:          +81-3-5498-6548
fax-no:         +81-3-5498-6532
e-mail:         g-stixpeer@singtel.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:51Z
source:         APNIC

role:           ABUSE SINGTELJP
country:        ZZ
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
phone:          +000000000
e-mail:         leonkoh@singtel.com
admin-c:        MA87-AP
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
nic-hdl:        AS2806-AP
remarks:        Generated from irt object IRT-SINGTEL-JP
remarks:        leonkoh@singtel.com was validated on 2025-09-18
abuse-mailbox:  leonkoh@singtel.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-18T07:19:56Z
source:         APNIC

person:         Ghazali Maon
address:        Telepark
address:        5 Tampines Central 6
address:        #07-03
address:        Singapore 529482
country:        SG
phone:          +65-7808001
fax-no:         +65-7882931
fax-no:         +65-7883462
e-mail:         ghaz@singtel.com
nic-hdl:        GM44-AP
mnt-by:         MAINT-TW-STTW
last-modified:  2017-04-13T03:21:38Z
source:         APNIC

person:         Masahiko Ando
address:        NF Park Bldg.3F, 9-15, Futaba 2-Chome
address:        Shinagawa-ku, Tokyo 142-0043, Japan
country:        JP
phone:          +813-5498-6548
fax-no:         +813-5498-6532
e-mail:         masahiko@singtel.com
nic-hdl:        MA87-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:18Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS2914 NTT America, Inc. US
AS7473 Singapore Telecommunications Ltd SG

Upstreams

AS Number Description Country
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG

Contacts

Email Contacts

ghaz@singtel.com leonkoh@singtel.com masahiko@singtel.com

Abuse Contacts

leonkoh@singtel.com

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Frequently Asked Questions

ASN AS17977 is an Autonomous System Number used to identify a network for BGP internet routing.
AS17977 is listed under Singapore Telecom Japan Ltd.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.