What is ASN AS138027?

ASN AS138027 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS138027?

AS138027 is listed under Yancoal Australia 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.

AS138027 Yancoal Australia Ltd

ASN Lookup Tool

Yancoal Australia Ltd yancoal.com.au

AU 1 Routes

AS Data

AS138027

AS138027 – Yancoal Australia Ltd

AS Number	138027
AS Name	YAL-AS-AP
Organization	Yancoal Australia Ltd (org-yal1-ap)
Country	AU
Website	yancoal.com.au
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.142.3.0/24	AS138027	Yancoal Australia Ltd	Yancoal Australia Ltd	256

Raw Whois Response

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

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
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:  2017-12-08T06:45:58Z
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 'AS138027'

% Abuse contact for 'AS138027' is 'support@yancoal.com.au'

aut-num:        AS138027
as-name:        YAL-AS-AP
descr:          Yancoal Australia Ltd
country:        AU
org:            ORG-YAL1-AP
admin-c:        YALA1-AP
tech-c:         YALA1-AP
abuse-c:        AY482-AP
mnt-lower:      MAINT-YAL-AU
mnt-routes:     MAINT-YAL-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAL-AU
last-modified:  2020-11-13T01:54:53Z
source:         APNIC

irt:            IRT-YAL-AU
address:        Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000
e-mail:         support@yancoal.com.au
abuse-mailbox:  support@yancoal.com.au
admin-c:        YALA1-AP
tech-c:         YALA1-AP
auth:           # Filtered
remarks:        support@yancoal.com.au was validated on 2025-09-25
mnt-by:         MAINT-YAL-AU
last-modified:  2025-11-18T00:33:13Z
source:         APNIC

organisation:   ORG-YAL1-AP
org-name:       Yancoal Australia Ltd
org-type:       LIR
country:        AU
address:        L5, 28 Honeysuckle Drive
phone:          +61285835300
e-mail:         support@yancoal.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:51Z
source:         APNIC

role:           ABUSE YALAU
country:        ZZ
address:        Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000
phone:          +000000000
e-mail:         support@yancoal.com.au
admin-c:        YALA1-AP
tech-c:         YALA1-AP
nic-hdl:        AY482-AP
remarks:        Generated from irt object IRT-YAL-AU
remarks:        support@yancoal.com.au was validated on 2025-09-25
abuse-mailbox:  support@yancoal.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-25T03:26:40Z
source:         APNIC

role:           Yancoal Australia Ltd administrator
address:        Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000
country:        AU
phone:          +61285835300
e-mail:         support@yancoal.com.au
admin-c:        YALA1-AP
tech-c:         YALA1-AP
nic-hdl:        YALA1-AP
mnt-by:         MAINT-YAL-AU
last-modified:  2019-08-11T23:32:48Z
source:         APNIC

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T12:29:14Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS137530 - AS138553",
    "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" : "2017-12-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS137530 - AS138553",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-16",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS138027",
    "as_name" : "YAL-AS-AP",
    "description" : [ "Yancoal Australia Ltd" ],
    "country" : "AU",
    "organization" : "ORG-YAL1-AP",
    "admin_contacts" : [ "YALA1-AP" ],
    "tech_contacts" : [ "YALA1-AP" ],
    "abuse_contacts" : [ "AY482-AP" ],
    "mnt_irt" : [ "IRT-YAL-AU" ],
    "mnt_lower" : [ "MAINT-YAL-AU" ],
    "mnt_routes" : [ "MAINT-YAL-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-11-13",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-YAL-AU",
    "address" : [ "Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000" ],
    "street" : "Sussex Street",
    "city" : "Sydney",
    "state" : "NEW SOUTH WALES",
    "zip_code" : "2000",
    "email" : [ "support@yancoal.com.au" ],
    "abuse_mailbox" : [ "support@yancoal.com.au" ],
    "admin_contacts" : [ "YALA1-AP" ],
    "tech_contacts" : [ "YALA1-AP" ],
    "remarks" : [ "support@yancoal.com.au was validated on 2025-09-25" ],
    "mnt_by" : [ "MAINT-YAL-AU" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-YAL1-AP",
    "name" : "Yancoal Australia Ltd",
    "type" : "LIR",
    "address" : [ "L5, 28 Honeysuckle Drive" ],
    "street" : "Honeysuckle Drive",
    "country" : [ "AU" ],
    "email" : [ "support@yancoal.com.au" ],
    "phone" : [ "+61285835300" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "YALA1-AP",
    "name" : "Yancoal Australia Ltd administrator",
    "address" : [ "Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000" ],
    "street" : "Sussex Street",
    "city" : "Sydney",
    "state" : "NEW SOUTH WALES",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "support@yancoal.com.au" ],
    "phone" : [ "+61285835300" ],
    "admin_contacts" : [ "YALA1-AP" ],
    "tech_contacts" : [ "YALA1-AP" ],
    "mnt_by" : [ "MAINT-YAL-AU" ],
    "date_updated" : "2019-08-11",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "YALA1-AP",
    "name" : "Yancoal Australia Ltd administrator",
    "address" : [ "Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000" ],
    "street" : "Sussex Street",
    "city" : "Sydney",
    "state" : "NEW SOUTH WALES",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "support@yancoal.com.au" ],
    "phone" : [ "+61285835300" ],
    "admin_contacts" : [ "YALA1-AP" ],
    "tech_contacts" : [ "YALA1-AP" ],
    "mnt_by" : [ "MAINT-YAL-AU" ],
    "date_updated" : "2019-08-11",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AY482-AP",
    "name" : "ABUSE YALAU",
    "address" : [ "Level 18, Darling Park 2, 201 Sussex Street,, Sydney New South Wales 2000" ],
    "street" : "Sussex Street",
    "city" : "Sydney",
    "state" : "NEW SOUTH WALES",
    "zip_code" : "2000",
    "country" : "ZZ",
    "email" : [ "support@yancoal.com.au" ],
    "abuse_mailbox" : [ "support@yancoal.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "YALA1-AP" ],
    "tech_contacts" : [ "YALA1-AP" ],
    "remarks" : [ "Generated from irt object IRT-YAL-AU", "support@yancoal.com.au was validated on 2025-09-25" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-25",
    "source" : "APNIC"
  } ]
}

Peers

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AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS6939	Hurricane Electric LLC	US
AS49915	Megaport (UK) Limited	GB
AS38880	Micron21 Datacentre Pty Ltd	AU
AS4826	Vocus Connect International Backbone	AU
AS45437	Real World - The Core	AU
AS49915	Megaport UK Limited	GB
AS199524	G-Core Labs S.A.	LU