ASN AS38074 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS38074?

AS38074 is listed under Ayao Takata.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS38074 Ayao Takata | IPGeolocation.io

Ayao Takata svrop.net

JP 5 Routes

AS Data

AS38074

AS38074 – Ayao Takata

AS Number	38074
AS Name	SDCC-AS-AP
Organization	Ayao Takata(org-sdcc1-ap)
Country	JP
Website	svrop.net
Number of IPv4 Routes	3
Number of IPv6 Routes	2
ASN type	INDIVIDUAL
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS38074 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.152.178.0/24	AS38074	Ayao Takata	Ayao Takata	256
103.160.48.0/24	AS38074	Ayao Takata	Ayao Takata	256
2001:df4:1780::/48	AS38074	Ayao Takata	Ayao Takata	~1×10²⁴
44.31.25.0/24	AS38074	Ayao Takata	Amateur Radio Digital Communications	256
2406:7ec0::/33	AS38074	Ayao Takata	SDCC Westv6	~40×10²⁷

Raw Whois Response

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

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  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:         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 'AS37971 - AS38085'

as-block:       AS37971 - AS38085
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
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 'AS38074'

% Abuse contact for 'AS38074' is 'abuse@svrop.net'

aut-num:        AS38074
as-name:        SDCC-AS-AP
descr:          SDCC Japan-West Area
country:        JP
org:            ORG-SDCC1-AP
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
abuse-c:        AS2777-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SDCC-JP
last-modified:  2023-06-02T09:26:29Z
mnt-routes:     MAINT-SDCC-JP
source:         APNIC

irt:            IRT-SDCC-JP
address:        JP
e-mail:         admin@svrop.net
abuse-mailbox:  abuse@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
auth:           # Filtered
remarks:        admin@svrop.net was validated on 2025-11-25
remarks:        abuse@svrop.net was validated on 2025-11-25
mnt-by:         MAINT-SDCC-JP
last-modified:  2025-11-25T14:04:18Z
source:         APNIC

organisation:   ORG-SDCC1-AP
org-name:       Ayao Takata
org-type:       LIR
country:        JP
address:        Ishibashi 147
phone:          +818035721418
e-mail:         admin@svrop.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:13Z
source:         APNIC

role:           ABUSE SDCCJP
country:        ZZ
address:        JP
phone:          +000000000
e-mail:         admin@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
nic-hdl:        AS2777-AP
remarks:        Generated from irt object IRT-SDCC-JP
remarks:        admin@svrop.net was validated on 2025-11-25
remarks:        abuse@svrop.net was validated on 2025-11-25
abuse-mailbox:  abuse@svrop.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-25T14:04:53Z
source:         APNIC

role:           Shimane Data Center Club Administrator
address:
country:        JP
phone:          +818035721418
fax-no:         +818035721418
e-mail:         abuse@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
nic-hdl:        SDCC1-AP
mnt-by:         MAINT-SDCC-JP
last-modified:  2021-09-07T19:53:58Z
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:       38048 - 38438
ASName:         APNIC-37888
ASHandle:       AS38048
RegDate:        2005-06-09
Updated:        2025-03-31
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/38048

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 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  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:         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 'AS37971 - AS38085'

as-block:       AS37971 - AS38085
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
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 'AS38074'

% Abuse contact for 'AS38074' is 'abuse@svrop.net'

aut-num:        AS38074
as-name:        SDCC-AS-AP
descr:          SDCC Japan-West Area
country:        JP
org:            ORG-SDCC1-AP
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
abuse-c:        AS2777-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SDCC-JP
last-modified:  2023-06-02T09:26:29Z
mnt-routes:     MAINT-SDCC-JP
source:         APNIC

irt:            IRT-SDCC-JP
address:        JP
e-mail:         admin@svrop.net
abuse-mailbox:  abuse@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
auth:           # Filtered
remarks:        admin@svrop.net was validated on 2025-11-25
remarks:        abuse@svrop.net was validated on 2025-11-25
mnt-by:         MAINT-SDCC-JP
last-modified:  2025-11-25T14:04:18Z
source:         APNIC

organisation:   ORG-SDCC1-AP
org-name:       Ayao Takata
org-type:       LIR
country:        JP
address:        Ishibashi 147
phone:          +818035721418
e-mail:         admin@svrop.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:13Z
source:         APNIC

role:           ABUSE SDCCJP
country:        ZZ
address:        JP
phone:          +000000000
e-mail:         admin@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
nic-hdl:        AS2777-AP
remarks:        Generated from irt object IRT-SDCC-JP
remarks:        admin@svrop.net was validated on 2025-11-25
remarks:        abuse@svrop.net was validated on 2025-11-25
abuse-mailbox:  abuse@svrop.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-25T14:04:53Z
source:         APNIC

role:           Shimane Data Center Club Administrator
address:
country:        JP
phone:          +818035721418
fax-no:         +818035721418
e-mail:         abuse@svrop.net
admin-c:        SDCC1-AP
tech-c:         SDCC1-AP
nic-hdl:        SDCC1-AP
mnt-by:         MAINT-SDCC-JP
last-modified:  2021-09-07T19:53:58Z
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
AS63806	Human-life Information Platforms Institute	JP
AS59105	Home NOC Operators Group	JP
AS49867	SUISEI AS AP Shuji Ito	NL
AS140868	Ayao Takata	JP
AS150362	Mamireimu Net Work's	JP
AS152865	Tokyo University of Technology Linux Club	JP
AS150363	SoftEther Corporation	JP
AS150369	TelHi Corporation	JP
AS63791	doornoc	JP
AS38649	The University of Electro-Communications	JP

Upstreams

AS Number	Description	Country
AS59105	Home NOC Operators Group	JP
AS59103	SoftEther Corporation	JP
AS63798	Industrial Cyber Security Center of Excellence	JP
AS150363	SoftEther Corporation	JP

Downstreams

AS Number	Description	Country
AS49867	SUISEI AS AP Shuji Ito	NL
AS152184	Tamukai Network	JP
AS200455	HOTARU NETWORK LTD.	GB
AS214675	Starlamp Network Project	JP
AS140868	Ayao Takata	JP
AS150362	Mamireimu Net Work's	JP
AS152865	Tokyo University of Technology Linux Club	JP
AS152873	Neodyland	JP
AS63791	doornoc	JP
AS44324	MoeDove LLC	US

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