What is ASN AS154121?

ASN AS154121 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS154121?

AS154121 is listed under TelcoCentric Pty 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.

AS154121 TelcoCentric Pty Ltd

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TelcoCentric Pty Ltd telcocentric.com.au

AU 0 Routes

AS Data

AS154121

AS154121 – TelcoCentric Pty Ltd

AS Number	154121
AS Name	TELCOCENTRIC-AS-AP
Organization	TelcoCentric Pty Ltd (org-ta140-ap)
Country	AU
Website	telcocentric.com.au
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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Raw Whois Response

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

% Information related to 'AS153914 - AS154937'

as-block:       AS153914 - AS154937
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:  2025-04-01T05:54:59Z
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 'AS154121'

% Abuse contact for 'AS154121' is 'yaser@telcocentric.com.au'

aut-num:        AS154121
as-name:        TELCOCENTRIC-AS-AP
descr:          TelcoCentric Pty Ltd
country:        AU
org:            ORG-TA140-AP
admin-c:        TPLA47-AP
tech-c:         TPLA47-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-TELCOCENTRIC-AU
mnt-routes:     MAINT-TELCOCENTRIC-AU
mnt-lower:      MAINT-TELCOCENTRIC-AU
abuse-c:        AT1935-AP
last-modified:  2025-08-06T12:33:01Z
source:         APNIC

irt:            IRT-TELCOCENTRIC-AU
address:        231 Morphett Street, Adelaide South Australia 5000
e-mail:         yaser@telcocentric.com.au
abuse-mailbox:  yaser@telcocentric.com.au
admin-c:        TPLA47-AP
tech-c:         TPLA47-AP
auth:           # Filtered
remarks:        yaser@telcocentric.com.au was validated on 2026-04-02
mnt-by:         MAINT-TELCOCENTRIC-AU
last-modified:  2026-04-02T18:27:58Z
source:         APNIC

organisation:   ORG-TA140-AP
org-name:       TelcoCentric Pty Ltd
org-type:       LIR
country:        AU
address:        231 Morphett Street
phone:          +61870890718
e-mail:         sysadmin@telcocentric.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-08-07T13:37:10Z
source:         APNIC

role:           ABUSE TELCOCENTRICAU
country:        ZZ
address:        231 Morphett Street, Adelaide South Australia 5000
phone:          +000000000
e-mail:         yaser@telcocentric.com.au
admin-c:        TPLA47-AP
tech-c:         TPLA47-AP
nic-hdl:        AT1935-AP
remarks:        Generated from irt object IRT-TELCOCENTRIC-AU
remarks:        yaser@telcocentric.com.au was validated on 2026-04-02
abuse-mailbox:  yaser@telcocentric.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-02T18:28:12Z
source:         APNIC

role:           TelcoCentric Pty Ltd administrator
address:        231 Morphett Street, Adelaide South Australia 5000
country:        AU
phone:          +61870890718
e-mail:         yaser@telcocentric.com.au
admin-c:        TPLA47-AP
tech-c:         TPLA47-AP
nic-hdl:        TPLA47-AP
mnt-by:         MAINT-TELCOCENTRIC-AU
last-modified:  2025-08-06T12:32:34Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS153914 - AS154937",
    "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" : "2025-04-01",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS154121",
    "as_name" : "TELCOCENTRIC-AS-AP",
    "description" : [ "TelcoCentric Pty Ltd" ],
    "country" : "AU",
    "organization" : "ORG-TA140-AP",
    "admin_contacts" : [ "TPLA47-AP" ],
    "tech_contacts" : [ "TPLA47-AP" ],
    "abuse_contacts" : [ "AT1935-AP" ],
    "mnt_irt" : [ "IRT-TELCOCENTRIC-AU" ],
    "mnt_lower" : [ "MAINT-TELCOCENTRIC-AU" ],
    "mnt_routes" : [ "MAINT-TELCOCENTRIC-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-08-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TELCOCENTRIC-AU",
    "address" : [ "231 Morphett Street, Adelaide South Australia 5000" ],
    "street" : "Morphett Street",
    "city" : "Adelaide",
    "state" : "SOUTH AUSTRALIA",
    "zip_code" : "5000",
    "email" : [ "yaser@telcocentric.com.au" ],
    "abuse_mailbox" : [ "yaser@telcocentric.com.au" ],
    "admin_contacts" : [ "TPLA47-AP" ],
    "tech_contacts" : [ "TPLA47-AP" ],
    "remarks" : [ "yaser@telcocentric.com.au was validated on 2026-04-02" ],
    "mnt_by" : [ "MAINT-TELCOCENTRIC-AU" ],
    "date_updated" : "2026-04-02",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-TA140-AP",
    "name" : "TelcoCentric Pty Ltd",
    "type" : "LIR",
    "address" : [ "231 Morphett Street" ],
    "street" : "Morphett Street",
    "country" : [ "AU" ],
    "email" : [ "sysadmin@telcocentric.com.au" ],
    "phone" : [ "+61870890718" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-08-07",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TPLA47-AP",
    "name" : "TelcoCentric Pty Ltd administrator",
    "address" : [ "231 Morphett Street, Adelaide South Australia 5000" ],
    "street" : "Morphett Street",
    "city" : "Adelaide",
    "state" : "SOUTH AUSTRALIA",
    "zip_code" : "5000",
    "country" : "AU",
    "email" : [ "yaser@telcocentric.com.au" ],
    "phone" : [ "+61870890718" ],
    "admin_contacts" : [ "TPLA47-AP" ],
    "tech_contacts" : [ "TPLA47-AP" ],
    "mnt_by" : [ "MAINT-TELCOCENTRIC-AU" ],
    "date_updated" : "2025-08-06",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "TPLA47-AP",
    "name" : "TelcoCentric Pty Ltd administrator",
    "address" : [ "231 Morphett Street, Adelaide South Australia 5000" ],
    "street" : "Morphett Street",
    "city" : "Adelaide",
    "state" : "SOUTH AUSTRALIA",
    "zip_code" : "5000",
    "country" : "AU",
    "email" : [ "yaser@telcocentric.com.au" ],
    "phone" : [ "+61870890718" ],
    "admin_contacts" : [ "TPLA47-AP" ],
    "tech_contacts" : [ "TPLA47-AP" ],
    "mnt_by" : [ "MAINT-TELCOCENTRIC-AU" ],
    "date_updated" : "2025-08-06",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT1935-AP",
    "name" : "ABUSE TELCOCENTRICAU",
    "address" : [ "231 Morphett Street, Adelaide South Australia 5000" ],
    "street" : "Morphett Street",
    "city" : "Adelaide",
    "state" : "SOUTH AUSTRALIA",
    "zip_code" : "5000",
    "country" : "ZZ",
    "email" : [ "yaser@telcocentric.com.au" ],
    "abuse_mailbox" : [ "yaser@telcocentric.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TPLA47-AP" ],
    "tech_contacts" : [ "TPLA47-AP" ],
    "remarks" : [ "Generated from irt object IRT-TELCOCENTRIC-AU", "yaser@telcocentric.com.au was validated on 2026-04-02" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-02",
    "source" : "APNIC"
  } ]
}