ASN AS17795 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17795?

AS17795 is listed under CTC Technology Corporation.

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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AS17795 CTC Technology Corporation

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CTC Technology Corporation

JP 0 Routes

AS Data

AS17795

AS17795 – CTC Technology Corporation

AS Number	17795
AS Name	Netvein.co.jp
Organization	CTC Technology Corporation (org-ctc1-ap)
Country	JP
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	2001-06-21

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Raw Whois Response

[ 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:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS17795'

% Abuse contact for 'AS17795' is 'nic@ctc-g.co.jp'

aut-num:        AS17795
as-name:        NVJ-AP
descr:          Netvein.co.jp
descr:          Regional ASN
country:        JP
import:         from AS4694 action pref=100; accept ANY
export:         to AS4694 announce AS17795
default:        to AS4694 action pref=100; networks ANY
org:            ORG-CTC1-AP
admin-c:        JN617-AP
tech-c:         KO101-AP
abuse-c:        AC1969-AP
notify:         nic@ctc-g.co.jp
mnt-lower:      MAINT-JP-NVJ
mnt-routes:     MAINT-JP-NVJ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTCT-AP
last-modified:  2026-06-17T08:05:47Z
source:         APNIC

irt:            IRT-CTCT-AP
address:        Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo 102-0071 Japan
e-mail:         nic@ctc-g.co.jp
abuse-mailbox:  nic@ctc-g.co.jp
admin-c:        JN617-AP
tech-c:         KO101-AP
auth:           # Filtered
remarks:        nic@ctc-g.co.jp was validated on 2026-09-08
mnt-by:         MAINT-JP-CTCT
last-modified:  2026-09-08T23:54:41Z
source:         APNIC

organisation:   ORG-CTC1-AP
org-name:       CTC Technology Corporation
org-type:       LIR
country:        JP
address:        Kuritakudan Bldg.
address:        1-11-5 Fujimi
address:        CHIYODA-KU
phone:          +81-3-6238-6460
fax-no:         +81-3-3514-1641
e-mail:         nic@ctc-g.co.jp
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:46Z
source:         APNIC

role:           ABUSE CTCTAP
country:        ZZ
address:        Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo 102-0071 Japan
phone:          +000000000
e-mail:         nic@ctc-g.co.jp
admin-c:        JN617-AP
tech-c:         KO101-AP
nic-hdl:        AC1969-AP
remarks:        Generated from irt object IRT-CTCT-AP
remarks:        nic@ctc-g.co.jp was validated on 2026-09-08
abuse-mailbox:  nic@ctc-g.co.jp
mnt-by:         APNIC-ABUSE
last-modified:  2026-09-08T23:55:21Z
source:         APNIC

person:         Junichiro Naohara
address:        Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo
country:        JP
phone:          +81-3-6238-6460
e-mail:         junichiro.naohara@ctc-g.co.jp
nic-hdl:        JN617-AP
mnt-by:         MAINT-JP-CTCT
last-modified:  2018-08-22T10:29:35Z
source:         APNIC

person:         Kunimitsu Okada
address:        Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo
country:        JP
phone:          +81-3-6238-6460
e-mail:         kunimitsu.okada@ctc-g.co.jp
nic-hdl:        KO101-AP
mnt-by:         MAINT-JP-CTCT
last-modified:  2013-05-31T10:09:28Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS17653 - AS18431",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2019-01-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS17795",
    "as_name" : "NVJ-AP",
    "description" : [ "Netvein.co.jp", "Regional ASN" ],
    "country" : "JP",
    "import" : [ "from AS4694 action pref=100; accept ANY" ],
    "export" : [ "to AS4694 announce AS17795" ],
    "default" : [ "to AS4694 action pref=100; networks ANY" ],
    "organization" : "ORG-CTC1-AP",
    "admin_contacts" : [ "JN617-AP" ],
    "tech_contacts" : [ "KO101-AP" ],
    "abuse_contacts" : [ "AC1969-AP" ],
    "notify" : [ "nic@ctc-g.co.jp" ],
    "mnt_irt" : [ "IRT-CTCT-AP" ],
    "mnt_lower" : [ "MAINT-JP-NVJ" ],
    "mnt_routes" : [ "MAINT-JP-NVJ" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-06-17",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CTCT-AP",
    "address" : [ "Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo 102-0071 Japan" ],
    "city" : "Tokyo",
    "zip_code" : "102-0071",
    "country" : "JAPAN",
    "email" : [ "nic@ctc-g.co.jp" ],
    "abuse_mailbox" : [ "nic@ctc-g.co.jp" ],
    "admin_contacts" : [ "JN617-AP" ],
    "tech_contacts" : [ "KO101-AP" ],
    "remarks" : [ "nic@ctc-g.co.jp was validated on 2026-09-08" ],
    "mnt_by" : [ "MAINT-JP-CTCT" ],
    "date_updated" : "2026-09-08",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CTC1-AP",
    "name" : "CTC Technology Corporation",
    "type" : "LIR",
    "address" : [ "Kuritakudan Bldg.", "1-11-5 Fujimi", "CHIYODA-KU" ],
    "street" : "Fujimi Chiyoda-ku",
    "country" : [ "JP" ],
    "email" : [ "nic@ctc-g.co.jp" ],
    "phone" : [ "+81-3-6238-6460" ],
    "fax_no" : [ "+81-3-3514-1641" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "JN617-AP",
    "name" : "Junichiro Naohara",
    "address" : [ "Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo" ],
    "city" : "Chiyoda-ku",
    "state" : "TOKYO",
    "country" : "JP",
    "email" : [ "junichiro.naohara@ctc-g.co.jp" ],
    "phone" : [ "+81-3-6238-6460" ],
    "mnt_by" : [ "MAINT-JP-CTCT" ],
    "date_updated" : "2018-08-22",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "KO101-AP",
    "name" : "Kunimitsu Okada",
    "address" : [ "Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo" ],
    "city" : "Chiyoda-ku",
    "state" : "TOKYO",
    "country" : "JP",
    "email" : [ "kunimitsu.okada@ctc-g.co.jp" ],
    "phone" : [ "+81-3-6238-6460" ],
    "mnt_by" : [ "MAINT-JP-CTCT" ],
    "date_updated" : "2013-05-31",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1969-AP",
    "name" : "ABUSE CTCTAP",
    "address" : [ "Kuritakudan Bldg., 1-11-5, Fujimi, Chiyoda-Ku, Tokyo 102-0071 Japan" ],
    "city" : "Tokyo",
    "zip_code" : "102-0071",
    "country" : "ZZ",
    "email" : [ "nic@ctc-g.co.jp" ],
    "abuse_mailbox" : [ "nic@ctc-g.co.jp" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "JN617-AP" ],
    "tech_contacts" : [ "KO101-AP" ],
    "remarks" : [ "Generated from irt object IRT-CTCT-AP", "nic@ctc-g.co.jp was validated on 2026-09-08" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-09-08",
    "source" : "APNIC",
    "addressCountry" : "JAPAN"
  } ]
}

Peers

AS Number	Description	Country
AS4694	IDC Frontier Inc.	JP

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ASN Summary

AS17795 – CTC Technology Corporation

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Raw Whois Response

Parsed Whois Response

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