ASN AS10033 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10033?

AS10033 is listed under iBasis Hong Kong Ltd.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS10033 iBasis Hong Kong Ltd | IPGeolocation.io

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iBasis Hong Kong Ltd ibasis.net

JP 0 Routes

AS Data

AS10033

AS10033 – iBasis Hong Kong Ltd

AS Number	10033
AS Name	IVANET-TYO-AP
Organization	iBasis Hong Kong Ltd (org-ikl1-ap)
Country	JP
Website	ibasis.net
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS10033 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

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

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS10033'

% Abuse contact for 'AS10033' is 'netarch@ibasis.net'

aut-num:        AS10033
as-name:        IVANET-TYO-AP
descr:          iBasis Tokyo ICO
country:        JP
import:         from AS3356 action pref=100; accept ANY
import:         from AS2497 action pref=100; accept ANY
export:         to AS3356 announce AS10033
export:         to AS2497 announce AS10033
default:        to AS3356 action pref=100; networks ANY
default:        to AS2497 action pref=120; networks ANY
org:            ORG-IKL1-AP
admin-c:        TJ818-AP
tech-c:         INE1-AP
abuse-c:        AI692-AP
notify:         neteng@ibasis.net
mnt-lower:      MAINT-AP-IVANET
mnt-routes:     MAINT-AP-IVANET
mnt-by:         APNIC-HM
mnt-irt:        IRT-IBASIS-HK
last-modified:  2021-01-12T01:07:19Z
source:         APNIC

irt:            IRT-IBASIS-HK
address:        USA
e-mail:         netarch@ibasis.net
abuse-mailbox:  netarch@ibasis.net
admin-c:        INE1-AP
tech-c:         INE1-AP
auth:           # Filtered
remarks:        netarch@ibasis.net is invalid
mnt-by:         MAINT-AP-IVANET
last-modified:  2026-03-25T13:11:12Z
source:         APNIC

organisation:   ORG-IKL1-AP
org-name:       iBasis (Hong Kong) Ltd
org-type:       LIR
country:        HK
address:        Unit 605 - 6, Low Block
address:        Grand Millennium Plaza
address:        181 Queens Road
phone:          +61-852-2278-5000
fax-no:         +61-852-2145-4369
e-mail:         NetworkEngineering@ibasis.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:43Z
source:         APNIC

role:           ABUSE IBASISHK
country:        ZZ
address:        USA
phone:          +000000000
e-mail:         netarch@ibasis.net
admin-c:        INE1-AP
tech-c:         INE1-AP
nic-hdl:        AI692-AP
remarks:        Generated from irt object IRT-IBASIS-HK
remarks:        netarch@ibasis.net is invalid
abuse-mailbox:  netarch@ibasis.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-25T13:12:18Z
source:         APNIC

person:         iBasis Network Engineering
address:        20 Second Ave
address:        Burlington, MA 01803
address:        USA
country:        HK
phone:          +1-781-505-7500
e-mail:         netarch@ibasis.net
nic-hdl:        INE1-AP
mnt-by:         MAINT-AP-IVANET
last-modified:  2014-10-21T17:58:24Z
source:         APNIC

person:         Tomasz Jankowski
address:        10 Maguire Road Building 3
address:        Lexington, MA 02421
address:        USA
country:        HK
phone:          +1 781 430 7500
e-mail:         tjankowski@ibasis.net
nic-hdl:        TJ818-AP
mnt-by:         MAINT-AP-IVANET
last-modified:  2019-03-08T20:30:38Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (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:       9216 - 10239
ASName:         APNIC-AS-3-BLOCK
ASHandle:       AS9216
RegDate:        1998-11-03
Updated:        2009-10-08
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/9216

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

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

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


#
# 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 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS10033'

% Abuse contact for 'AS10033' is 'netarch@ibasis.net'

aut-num:        AS10033
as-name:        IVANET-TYO-AP
descr:          iBasis Tokyo ICO
country:        JP
import:         from AS3356 action pref=100; accept ANY
import:         from AS2497 action pref=100; accept ANY
export:         to AS3356 announce AS10033
export:         to AS2497 announce AS10033
default:        to AS3356 action pref=100; networks ANY
default:        to AS2497 action pref=120; networks ANY
org:            ORG-IKL1-AP
admin-c:        TJ818-AP
tech-c:         INE1-AP
abuse-c:        AI692-AP
notify:         neteng@ibasis.net
mnt-lower:      MAINT-AP-IVANET
mnt-routes:     MAINT-AP-IVANET
mnt-by:         APNIC-HM
mnt-irt:        IRT-IBASIS-HK
last-modified:  2021-01-12T01:07:19Z
source:         APNIC

irt:            IRT-IBASIS-HK
address:        USA
e-mail:         netarch@ibasis.net
abuse-mailbox:  netarch@ibasis.net
admin-c:        INE1-AP
tech-c:         INE1-AP
auth:           # Filtered
remarks:        netarch@ibasis.net is invalid
mnt-by:         MAINT-AP-IVANET
last-modified:  2026-03-25T13:11:12Z
source:         APNIC

organisation:   ORG-IKL1-AP
org-name:       iBasis (Hong Kong) Ltd
org-type:       LIR
country:        HK
address:        Unit 605 - 6, Low Block
address:        Grand Millennium Plaza
address:        181 Queens Road
phone:          +61-852-2278-5000
fax-no:         +61-852-2145-4369
e-mail:         NetworkEngineering@ibasis.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:43Z
source:         APNIC

role:           ABUSE IBASISHK
country:        ZZ
address:        USA
phone:          +000000000
e-mail:         netarch@ibasis.net
admin-c:        INE1-AP
tech-c:         INE1-AP
nic-hdl:        AI692-AP
remarks:        Generated from irt object IRT-IBASIS-HK
remarks:        netarch@ibasis.net is invalid
abuse-mailbox:  netarch@ibasis.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-25T13:12:18Z
source:         APNIC

person:         iBasis Network Engineering
address:        20 Second Ave
address:        Burlington, MA 01803
address:        USA
country:        HK
phone:          +1-781-505-7500
e-mail:         netarch@ibasis.net
nic-hdl:        INE1-AP
mnt-by:         MAINT-AP-IVANET
last-modified:  2014-10-21T17:58:24Z
source:         APNIC

person:         Tomasz Jankowski
address:        10 Maguire Road Building 3
address:        Lexington, MA 02421
address:        USA
country:        HK
phone:          +1 781 430 7500
e-mail:         tjankowski@ibasis.net
nic-hdl:        TJ818-AP
mnt-by:         MAINT-AP-IVANET
last-modified:  2019-03-08T20:30:38Z
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" : "AS9249 - AS10239",
    "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" : "2022-09-22",
    "source" : "APNIC"
  }, {
    "as_block" : "AS9249 - AS10239",
    "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" : "2022-09-22",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS10033",
    "as_name" : "IVANET-TYO-AP",
    "description" : [ "iBasis Tokyo ICO" ],
    "country" : "JP",
    "import" : [ "from AS3356 action pref=100; accept ANY", "from AS2497 action pref=100; accept ANY" ],
    "export" : [ "to AS3356 announce AS10033", "to AS2497 announce AS10033" ],
    "default" : [ "to AS3356 action pref=100; networks ANY", "to AS2497 action pref=120; networks ANY" ],
    "organization" : "ORG-IKL1-AP",
    "admin_contacts" : [ "TJ818-AP" ],
    "tech_contacts" : [ "INE1-AP" ],
    "abuse_contacts" : [ "AI692-AP" ],
    "notify" : [ "neteng@ibasis.net" ],
    "mnt_irt" : [ "IRT-IBASIS-HK" ],
    "mnt_lower" : [ "MAINT-AP-IVANET" ],
    "mnt_routes" : [ "MAINT-AP-IVANET" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-12",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS10033",
    "as_name" : "IVANET-TYO-AP",
    "description" : [ "iBasis Tokyo ICO" ],
    "country" : "JP",
    "import" : [ "from AS3356 action pref=100; accept ANY", "from AS2497 action pref=100; accept ANY" ],
    "export" : [ "to AS3356 announce AS10033", "to AS2497 announce AS10033" ],
    "default" : [ "to AS3356 action pref=100; networks ANY", "to AS2497 action pref=120; networks ANY" ],
    "organization" : "ORG-IKL1-AP",
    "admin_contacts" : [ "TJ818-AP" ],
    "tech_contacts" : [ "INE1-AP" ],
    "abuse_contacts" : [ "AI692-AP" ],
    "notify" : [ "neteng@ibasis.net" ],
    "mnt_irt" : [ "IRT-IBASIS-HK" ],
    "mnt_lower" : [ "MAINT-AP-IVANET" ],
    "mnt_routes" : [ "MAINT-AP-IVANET" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-12",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-IBASIS-HK",
    "address" : [ "USA" ],
    "country" : "USA",
    "email" : [ "netarch@ibasis.net" ],
    "abuse_mailbox" : [ "netarch@ibasis.net" ],
    "admin_contacts" : [ "INE1-AP" ],
    "tech_contacts" : [ "INE1-AP" ],
    "remarks" : [ "netarch@ibasis.net is invalid" ],
    "mnt_by" : [ "MAINT-AP-IVANET" ],
    "date_updated" : "2026-03-25",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-IKL1-AP",
    "name" : "iBasis (Hong Kong) Ltd",
    "type" : "LIR",
    "address" : [ "Unit 605 - 6, Low Block", "Grand Millennium Plaza", "181 Queens Road" ],
    "street" : "Queens Road",
    "country" : [ "HK" ],
    "email" : [ "NetworkEngineering@ibasis.net" ],
    "phone" : [ "+61-852-2278-5000" ],
    "fax_no" : [ "+61-852-2145-4369" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TJ818-AP",
    "name" : "Tomasz Jankowski",
    "address" : [ "10 Maguire Road Building 3", "Lexington, MA 02421", "USA" ],
    "street" : "Maguire Road",
    "city" : "Lexington",
    "state" : "MA",
    "zip_code" : "02421",
    "country" : "HK",
    "email" : [ "tjankowski@ibasis.net" ],
    "phone" : [ "+1 781 430 7500" ],
    "mnt_by" : [ "MAINT-AP-IVANET" ],
    "date_updated" : "2019-03-08",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ],
  "technical_contacts" : [ {
    "handle" : "INE1-AP",
    "name" : "iBasis Network Engineering",
    "address" : [ "20 Second Ave", "Burlington, MA 01803", "USA" ],
    "street" : "Second Ave",
    "city" : "Burlington",
    "state" : "MA",
    "zip_code" : "01803",
    "country" : "HK",
    "email" : [ "netarch@ibasis.net" ],
    "phone" : [ "+1-781-505-7500" ],
    "mnt_by" : [ "MAINT-AP-IVANET" ],
    "date_updated" : "2014-10-21",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AI692-AP",
    "name" : "ABUSE IBASISHK",
    "address" : [ "USA" ],
    "country" : "ZZ",
    "email" : [ "netarch@ibasis.net" ],
    "abuse_mailbox" : [ "netarch@ibasis.net" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "INE1-AP" ],
    "tech_contacts" : [ "INE1-AP" ],
    "remarks" : [ "Generated from irt object IRT-IBASIS-HK", "netarch@ibasis.net is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-25",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ]
}