What is ASN AS140731?

ASN AS140731 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS140731?

AS140731 is listed under TOHU Public Internet.

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.

AS140731 TOHU Public Internet

ASN Lookup Tool

TOHU Public Internet bairuo.net

CN 9 Routes

AS Data

AS140731

AS140731 – TOHU Public Internet

AS Number	140731
AS Name	TOHU-OP-AP
Organization	TOHU Public Internet (org-tpi1-ap)
Country	CN
Website	bairuo.net
Number of IPv4 Routes	0
Number of IPv6 Routes	9
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS140731 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2406:840:9700::/40	AS140731	TOHU Public Internet	TOHUNET	~309×10²⁴
2406:840:eb83::/48	AS140731	TOHU Public Internet	TOHUNET	~1×10²⁴
2406:840:eb80::/42	AS140731	TOHU Public Internet	TOHUNET	~77×10²⁴
2406:840:eb8f::/48	AS140731	TOHU Public Internet	TOHUNET TOHU IX	~1×10²⁴
2406:840:9200::/40	AS140731	TOHU Public Internet	TOHUNET	~309×10²⁴
2406:840:9206::/48	AS140731	TOHU Public Internet	TOHUNET	~1×10²⁴
2406:840:eb8c::/48	AS140731	TOHU Public Internet	TOHUNET	~1×10²⁴
2406:840:9231::/48	AS140731	TOHU Public Internet	TOHUNET	~1×10²⁴
2406:840:9203::/48	AS140731	TOHU Public Internet	TOHUNET	~1×10²⁴

Raw Whois Response

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

% Information related to 'AS140602 - AS141625'

as-block:       AS140602 - AS141625
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:  2019-06-13T01:03:24Z
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 'AS140731'

% Abuse contact for 'AS140731' is 'thebairuo@gmail.com'

aut-num:        AS140731
as-name:        TOHU-OP-AP
descr:          TOHU Public Internet
descr:          Huangpuqu, Guangzhou
country:        CN
org:            ORG-TPI1-AP
sponsoring-org: ORG-NDIT1-AP
admin-c:        BR409-AP
tech-c:         BR409-AP
abuse-c:        AT1703-AP
mnt-lower:      MAINT-TOHUNET-AP
mnt-routes:     MAINT-TOHUNET-AP
mnt-routes:     MAINT-NBDHM-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-TOHU
last-modified:  2023-11-07T07:31:38Z
source:         APNIC

irt:            IRT-TOHU
address:        Yonghedadao, Huangpuqu, Guangzhou
e-mail:         thebairuo@gmail.com
abuse-mailbox:  thebairuo@gmail.com
admin-c:        BR409-AP
tech-c:         BR409-AP
auth:           # Filtered
remarks:        thebairuo@gmail.com was validated on 2026-01-20
mnt-by:         MAINT-NBDHM-CN
mnt-by:         MAINT-TOHUNET-AP
last-modified:  2026-01-20T17:02:06Z
source:         APNIC

organisation:   ORG-TPI1-AP
org-name:       TOHU Public Internet
org-type:       OTHER
address:        Huangpuqu, Guangzhou
country:        CN
phone:          +86-18529242605
e-mail:         thebairuo@bairuo.net
admin-c:        BR409-AP
tech-c:         BR409-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:06:59Z
source:         APNIC

role:           ABUSE TOHU
country:        ZZ
address:        Yonghedadao, Huangpuqu, Guangzhou
phone:          +000000000
e-mail:         thebairuo@gmail.com
admin-c:        BR409-AP
tech-c:         BR409-AP
nic-hdl:        AT1703-AP
remarks:        Generated from irt object IRT-TOHU
remarks:        thebairuo@gmail.com was validated on 2026-01-20
abuse-mailbox:  thebairuo@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-20T17:02:20Z
source:         APNIC

person:         Bai Ruo
address:        Huangpuqu, Guangzhou
country:        CN
phone:          +86-18529242605
e-mail:         thebairuo@bairuo.net
nic-hdl:        BR409-AP
mnt-by:         MAINT-NBDHM-CN
mnt-by:         MAINT-TOHUNET-AP
last-modified:  2022-05-20T12:54:02Z
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" : "AS140602 - AS141625",
    "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" : "2019-06-13",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS140731",
    "as_name" : "TOHU-OP-AP",
    "description" : [ "TOHU Public Internet", "Huangpuqu, Guangzhou" ],
    "country" : "CN",
    "organization" : "ORG-TPI1-AP",
    "sponsoring_organization" : "ORG-NDIT1-AP",
    "admin_contacts" : [ "BR409-AP" ],
    "tech_contacts" : [ "BR409-AP" ],
    "abuse_contacts" : [ "AT1703-AP" ],
    "mnt_irt" : [ "IRT-TOHU" ],
    "mnt_lower" : [ "MAINT-TOHUNET-AP" ],
    "mnt_routes" : [ "MAINT-TOHUNET-AP", "MAINT-NBDHM-CN" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-11-07",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TOHU",
    "address" : [ "Yonghedadao, Huangpuqu, Guangzhou" ],
    "email" : [ "thebairuo@gmail.com" ],
    "abuse_mailbox" : [ "thebairuo@gmail.com" ],
    "admin_contacts" : [ "BR409-AP" ],
    "tech_contacts" : [ "BR409-AP" ],
    "remarks" : [ "thebairuo@gmail.com was validated on 2026-01-20" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-TOHUNET-AP" ],
    "date_updated" : "2026-01-20",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-TPI1-AP",
    "name" : "TOHU Public Internet",
    "type" : "OTHER",
    "address" : [ "Huangpuqu, Guangzhou" ],
    "street" : "Huangpuqu",
    "city" : "Guangzhou",
    "country" : [ "CN" ],
    "email" : [ "thebairuo@bairuo.net" ],
    "phone" : [ "+86-18529242605" ],
    "admin_contacts" : [ "BR409-AP" ],
    "tech_contacts" : [ "BR409-AP" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "BR409-AP",
    "name" : "Bai Ruo",
    "address" : [ "Huangpuqu, Guangzhou" ],
    "street" : "Huangpuqu",
    "city" : "Guangzhou",
    "country" : "CN",
    "email" : [ "thebairuo@bairuo.net" ],
    "phone" : [ "+86-18529242605" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-TOHUNET-AP" ],
    "date_updated" : "2022-05-20",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "BR409-AP",
    "name" : "Bai Ruo",
    "address" : [ "Huangpuqu, Guangzhou" ],
    "street" : "Huangpuqu",
    "city" : "Guangzhou",
    "country" : "CN",
    "email" : [ "thebairuo@bairuo.net" ],
    "phone" : [ "+86-18529242605" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-TOHUNET-AP" ],
    "date_updated" : "2022-05-20",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT1703-AP",
    "name" : "ABUSE TOHU",
    "address" : [ "Yonghedadao, Huangpuqu, Guangzhou" ],
    "country" : "ZZ",
    "email" : [ "thebairuo@gmail.com" ],
    "abuse_mailbox" : [ "thebairuo@gmail.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "BR409-AP" ],
    "tech_contacts" : [ "BR409-AP" ],
    "remarks" : [ "Generated from irt object IRT-TOHU", "thebairuo@gmail.com was validated on 2026-01-20" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-20",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS7720	Skywolf Technology LLC	US
AS139317	Ningbo Dahuamao Information Technology Co Ltd	CN
AS44324	MoeDove LLC	US

Upstreams

AS Number	Description	Country
AS7720	Skywolf Technology LLC	US
AS139317	Ningbo Dahuamao Information Technology Co Ltd	CN
AS44324	MoeDove LLC	US

Contacts

Email Contacts

thebairuo@bairuo.net thebairuo@gmail.com

Abuse Contacts

thebairuo@gmail.com