What is ASN AS142641?

ASN AS142641 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS142641?

AS142641 is listed under Yuze Zhang.

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.

AS142641 Yuze Zhang | IPGeolocation.io

ASN Lookup Tool

Yuze Zhang ntzyz.io

HK 10 Routes

AS Data

AS142641

AS142641 – Yuze Zhang

AS Number	142641
AS Name	NTZYZ-AS-AP
Organization	Yuze Zhang (org-yz1-ap)
Country	HK
Website	ntzyz.io
Number of IPv4 Routes	0
Number of IPv6 Routes	10
ASN type	INDIVIDUAL
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS142641 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2406:840:ff14::/48	AS142641	Yuze Zhang	Yuze Network	~1×10²⁴
2602:feda:de0::/44	AS142641	Yuze Zhang	Yuze Network	~19×10²⁴
2406:4440:10::/48	AS142641	Yuze Zhang	Yuze Network	~1×10²⁴
2406:840:ff90::/44	AS142641	Yuze Zhang	Yuze Network Tokyo	~19×10²⁴
2406:840:ff11::/48	AS142641	Yuze Zhang	Yuze Network	~1×10²⁴
2406:840:ff13::/48	AS142641	Yuze Zhang	Yuze Network	~1×10²⁴
2406:840:ff00::/40	AS142641	Yuze Zhang	Yuze Network	~309×10²⁴
2406:4440:10::/44	AS142641	Yuze Zhang	Yuze Network	~19×10²⁴
2406:840:ff12::/48	AS142641	Yuze Zhang	Yuze Network Tokyo	~1×10²⁴
2406:840:ff40::/42	AS142641	Yuze Zhang	Yuze Network Singapore	~77×10²⁴

Raw Whois Response

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

% Information related to 'AS141626 - AS142649'

as-block:       AS141626 - AS142649
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:  2020-10-21T04:09:48Z
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 'AS142641'

% Abuse contact for 'AS142641' is 'i@ntzyz.io'

aut-num:        AS142641
as-name:        NTZYZ-AS-AP
descr:          Yuze Zhang
country:        HK
org:            ORG-YZ1-AP
sponsoring-org: ORG-ASL11-AP
admin-c:        YZ5049-AP
tech-c:         YZ5049-AP
abuse-c:        AN2949-AP
mnt-routes:     MAINT-NTZYZ-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-NTZYZ-CN
last-modified:  2023-09-05T04:12:28Z
source:         APNIC

irt:            IRT-NTZYZ-CN
address:        Gudai Rd 1000, Minhang District, Shanghai, China
e-mail:         i@ntzyz.io
abuse-mailbox:  i@ntzyz.io
admin-c:        YZ5049-AP
tech-c:         YZ5049-AP
auth:           # Filtered
remarks:        i@ntzyz.io was validated on 2025-12-23
mnt-by:         MAINT-APERTURE-HK
last-modified:  2025-12-23T14:26:40Z
source:         APNIC

organisation:   ORG-YZ1-AP
org-name:       Yuze Zhang
org-type:       OTHER
address:        Gudai Rd 1000, Minhang District, Shanghai, China
country:        CN
phone:          +852 64333371
e-mail:         i@ntzyz.io
admin-c:        YZ5049-AP
tech-c:         YZ5049-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:12:27Z
source:         APNIC

role:           ABUSE NTZYZCN
country:        ZZ
address:        Gudai Rd 1000, Minhang District, Shanghai, China
phone:          +000000000
e-mail:         i@ntzyz.io
admin-c:        YZ5049-AP
tech-c:         YZ5049-AP
nic-hdl:        AN2949-AP
remarks:        Generated from irt object IRT-NTZYZ-CN
remarks:        i@ntzyz.io was validated on 2025-12-23
abuse-mailbox:  i@ntzyz.io
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T14:27:05Z
source:         APNIC

person:         Yuze Zhang
address:        Gudai Rd 1000, Minhang District, Shanghai, China
country:        CN
phone:          +852 64333371
e-mail:         i@ntzyz.io
nic-hdl:        YZ5049-AP
mnt-by:         MAINT-APERTURE-HK
last-modified:  2021-08-06T09:47:50Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS141626 - AS142649",
    "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" : "2020-10-21",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS142641",
    "as_name" : "NTZYZ-AS-AP",
    "description" : [ "Yuze Zhang" ],
    "country" : "HK",
    "organization" : "ORG-YZ1-AP",
    "sponsoring_organization" : "ORG-ASL11-AP",
    "admin_contacts" : [ "YZ5049-AP" ],
    "tech_contacts" : [ "YZ5049-AP" ],
    "abuse_contacts" : [ "AN2949-AP" ],
    "mnt_irt" : [ "IRT-NTZYZ-CN" ],
    "mnt_routes" : [ "MAINT-NTZYZ-CN" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-NTZYZ-CN",
    "address" : [ "Gudai Rd 1000, Minhang District, Shanghai, China" ],
    "street" : "Gudai Rd 1000",
    "city" : "Shanghai",
    "country" : "CHINA",
    "email" : [ "i@ntzyz.io" ],
    "abuse_mailbox" : [ "i@ntzyz.io" ],
    "admin_contacts" : [ "YZ5049-AP" ],
    "tech_contacts" : [ "YZ5049-AP" ],
    "remarks" : [ "i@ntzyz.io was validated on 2025-12-23" ],
    "mnt_by" : [ "MAINT-APERTURE-HK" ],
    "date_updated" : "2025-12-23",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-YZ1-AP",
    "name" : "Yuze Zhang",
    "type" : "OTHER",
    "address" : [ "Gudai Rd 1000, Minhang District, Shanghai, China" ],
    "street" : "Gudai Rd 1000",
    "city" : "Shanghai",
    "country" : [ "CN" ],
    "email" : [ "i@ntzyz.io" ],
    "phone" : [ "+852 64333371" ],
    "admin_contacts" : [ "YZ5049-AP" ],
    "tech_contacts" : [ "YZ5049-AP" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  },
  "administrative_contacts" : [ {
    "handle" : "YZ5049-AP",
    "name" : "Yuze Zhang",
    "address" : [ "Gudai Rd 1000, Minhang District, Shanghai, China" ],
    "street" : "Gudai Rd 1000",
    "city" : "Shanghai",
    "country" : "CN",
    "email" : [ "i@ntzyz.io" ],
    "phone" : [ "+852 64333371" ],
    "mnt_by" : [ "MAINT-APERTURE-HK" ],
    "date_updated" : "2021-08-06",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "YZ5049-AP",
    "name" : "Yuze Zhang",
    "address" : [ "Gudai Rd 1000, Minhang District, Shanghai, China" ],
    "street" : "Gudai Rd 1000",
    "city" : "Shanghai",
    "country" : "CN",
    "email" : [ "i@ntzyz.io" ],
    "phone" : [ "+852 64333371" ],
    "mnt_by" : [ "MAINT-APERTURE-HK" ],
    "date_updated" : "2021-08-06",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AN2949-AP",
    "name" : "ABUSE NTZYZCN",
    "address" : [ "Gudai Rd 1000, Minhang District, Shanghai, China" ],
    "street" : "Gudai Rd 1000",
    "city" : "Shanghai",
    "country" : "ZZ",
    "email" : [ "i@ntzyz.io" ],
    "abuse_mailbox" : [ "i@ntzyz.io" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "YZ5049-AP" ],
    "tech_contacts" : [ "YZ5049-AP" ],
    "remarks" : [ "Generated from irt object IRT-NTZYZ-CN", "i@ntzyz.io was validated on 2025-12-23" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-12-23",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS140043	Guangzhou Jinggong Information Technology Co., Ltd.	CN
AS24482	SG.GS	SG
AS207705	Jyun Kai Hu	TW
AS18041	Taiwna Digital Streaming Co.	TW
AS57695	Misaka Network, Inc.	US
AS38855	Taiwan Digital Streaming Co.	TW
AS23961	Misaka Network, Inc.	US
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS57695	Misaka Network, Inc.	US
AS23961	Misaka Network, Inc.	US
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US

Downstreams

AS Number	Description	Country
AS140043	Guangzhou Jinggong Information Technology Co., Ltd.	CN

Contacts

Email Contacts

i@ntzyz.io

Abuse Contacts