ASN AS18381 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18381?

AS18381 is listed under RedSwitches 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.

AS18381 RedSwitches Pty LTD. | IPGeolocation.io

ASN Lookup Tool

RedSwitches Pty LTD. redswitches.com

NL 1 Routes

AS Data

AS18381

AS18381 – RedSwitches Pty LTD.

AS Number	18381
AS Name	RSL-AS-AP
Organization	RedSwitches Pty LTD.(org-rpl19-ap)
Country	NL
Website	redswitches.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS18381 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.41.176.0/24	AS18381	RedSwitches Pty LTD.	Infrastrcture As A Service	256

Raw Whois Response

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

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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 'AS18381'

% Abuse contact for 'AS18381' is 'abuse@redswitches.com'

aut-num:        AS18381
as-name:        RSL-AS-AP
descr:          RedSwitches
country:        NL
org:            ORG-RPL19-AP
admin-c:        RPLA7-AP
tech-c:         RPLA7-AP
abuse-c:        AR997-AP
mnt-lower:      MAINT-RSL-AU
mnt-routes:     MAINT-RSL-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-RSL-AU
last-modified:  2020-08-26T13:02:51Z
source:         APNIC

irt:            IRT-RSL-AU
address:        Level 3, 480 Collins Street, Melbourne Victoria 3000
e-mail:         abuse@redswitches.com
abuse-mailbox:  abuse@redswitches.com
admin-c:        RPLA7-AP
tech-c:         RPLA7-AP
auth:           # Filtered
remarks:        abuse@redswitches.com was validated on 2025-10-14
mnt-by:         MAINT-RSL-AU
last-modified:  2025-11-18T00:29:27Z
source:         APNIC

organisation:   ORG-RPL19-AP
org-name:       RedSwitches Pty LTD.
org-type:       LIR
country:        AU
address:        Level 14
address:        380 St Kilda Road
phone:          +6139-005-803
e-mail:         abuse@redswitches.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:26Z
source:         APNIC

role:           ABUSE RSLAU
country:        ZZ
address:        Level 3, 480 Collins Street, Melbourne Victoria 3000
phone:          +000000000
e-mail:         abuse@redswitches.com
admin-c:        RPLA7-AP
tech-c:         RPLA7-AP
nic-hdl:        AR997-AP
remarks:        Generated from irt object IRT-RSL-AU
remarks:        abuse@redswitches.com was validated on 2025-10-14
abuse-mailbox:  abuse@redswitches.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-14T15:24:04Z
source:         APNIC

role:           RedSwitches Pty LTD administrator
address:        Level 3, 480 Collins Street, Melbourne Victoria 3000
country:        AU
phone:          +61-(02)-8091-1810
fax-no:         +61-(02)-8091-1810
e-mail:         abuse@redswitches.com
admin-c:        RPLA7-AP
tech-c:         RPLA7-AP
nic-hdl:        RPLA7-AP
mnt-by:         MAINT-RSL-AU
last-modified:  2025-01-27T08:10:35Z
source:         APNIC

% 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" : "AS17653 - AS18431",
    "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" : "2019-01-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS18381",
    "as_name" : "RSL-AS-AP",
    "description" : [ "RedSwitches" ],
    "country" : "NL",
    "organization" : "ORG-RPL19-AP",
    "admin_contacts" : [ "RPLA7-AP" ],
    "tech_contacts" : [ "RPLA7-AP" ],
    "abuse_contacts" : [ "AR997-AP" ],
    "mnt_irt" : [ "IRT-RSL-AU" ],
    "mnt_lower" : [ "MAINT-RSL-AU" ],
    "mnt_routes" : [ "MAINT-RSL-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-08-26",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-RSL-AU",
    "address" : [ "Level 3, 480 Collins Street, Melbourne Victoria 3000" ],
    "street" : "Collins Street",
    "city" : "Melbourne",
    "state" : "VICTORIA",
    "zip_code" : "3000",
    "email" : [ "abuse@redswitches.com" ],
    "abuse_mailbox" : [ "abuse@redswitches.com" ],
    "admin_contacts" : [ "RPLA7-AP" ],
    "tech_contacts" : [ "RPLA7-AP" ],
    "remarks" : [ "abuse@redswitches.com was validated on 2025-10-14" ],
    "mnt_by" : [ "MAINT-RSL-AU" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-RPL19-AP",
    "name" : "RedSwitches Pty LTD.",
    "type" : "LIR",
    "address" : [ "Level 14", "380 St Kilda Road" ],
    "street" : "St Kilda Road",
    "country" : [ "AU" ],
    "email" : [ "abuse@redswitches.com" ],
    "phone" : [ "+6139-005-803" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "RPLA7-AP",
    "name" : "RedSwitches Pty LTD administrator",
    "address" : [ "Level 3, 480 Collins Street, Melbourne Victoria 3000" ],
    "street" : "Collins Street",
    "city" : "Melbourne",
    "state" : "VICTORIA",
    "zip_code" : "3000",
    "country" : "AU",
    "email" : [ "abuse@redswitches.com" ],
    "phone" : [ "+61-(02)-8091-1810" ],
    "fax_no" : [ "+61-(02)-8091-1810" ],
    "admin_contacts" : [ "RPLA7-AP" ],
    "tech_contacts" : [ "RPLA7-AP" ],
    "mnt_by" : [ "MAINT-RSL-AU" ],
    "date_updated" : "2025-01-27",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "RPLA7-AP",
    "name" : "RedSwitches Pty LTD administrator",
    "address" : [ "Level 3, 480 Collins Street, Melbourne Victoria 3000" ],
    "street" : "Collins Street",
    "city" : "Melbourne",
    "state" : "VICTORIA",
    "zip_code" : "3000",
    "country" : "AU",
    "email" : [ "abuse@redswitches.com" ],
    "phone" : [ "+61-(02)-8091-1810" ],
    "fax_no" : [ "+61-(02)-8091-1810" ],
    "admin_contacts" : [ "RPLA7-AP" ],
    "tech_contacts" : [ "RPLA7-AP" ],
    "mnt_by" : [ "MAINT-RSL-AU" ],
    "date_updated" : "2025-01-27",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AR997-AP",
    "name" : "ABUSE RSLAU",
    "address" : [ "Level 3, 480 Collins Street, Melbourne Victoria 3000" ],
    "street" : "Collins Street",
    "city" : "Melbourne",
    "state" : "VICTORIA",
    "zip_code" : "3000",
    "country" : "ZZ",
    "email" : [ "abuse@redswitches.com" ],
    "abuse_mailbox" : [ "abuse@redswitches.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "RPLA7-AP" ],
    "tech_contacts" : [ "RPLA7-AP" ],
    "remarks" : [ "Generated from irt object IRT-RSL-AU", "abuse@redswitches.com was validated on 2025-10-14" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-10-14",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US

Upstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US