What is ASN AS136606?

ASN AS136606 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS136606?

AS136606 is listed under Crystal Net Pte 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.

AS136606 Crystal Net Pte Ltd | IPGeolocation.io

ASN Lookup Tool

Crystal Net Pte Ltd crystalvoice.com.sg

SG 3 Routes

AS Data

AS136606

AS136606 – Crystal Net Pte Ltd

AS Number	136606
AS Name	CRYSTALNETPTELTD-AS-AP
Organization	Crystal Net Pte Ltd (org-cnpl7-ap)
Country	SG
Website	crystalvoice.com.sg
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS136606 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.93.138.0/24	AS136606	Crystal Net Pte Ltd	Crystal Net Pte Ltd	256
103.105.143.0/24	AS136606	Crystal Net Pte Ltd	Crystal Net Pte Ltd	256
103.55.138.0/24	AS136606	Crystal Net Pte Ltd	Crystal Net Pte Ltd	256

Raw Whois Response

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

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
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:  2016-05-26T03:42:38Z
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 'AS136606'

% Abuse contact for 'AS136606' is 'abuse@crystalvoice.com.sg'

aut-num:        AS136606
as-name:        CRYSTALNETPTELTD-AS-AP
descr:          Crystal Net Pte Ltd
country:        SG
org:            ORG-CNPL7-AP
admin-c:        CNPL8-AP
tech-c:         CNPL8-AP
abuse-c:        AC1892-AP
mnt-lower:      MAINT-CRYSTALNETPTELTD-SG
mnt-routes:     MAINT-CRYSTALNETPTELTD-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-CRYSTALNETPTELTD-SG
last-modified:  2020-07-04T20:17:17Z
source:         APNIC

irt:            IRT-CRYSTALNETPTELTD-SG
address:        69 Ubi Road 1
e-mail:         abuse@crystalvoice.com.sg
abuse-mailbox:  abuse@crystalvoice.com.sg
admin-c:        CNPL8-AP
tech-c:         CNPL8-AP
auth:           # Filtered
remarks:        abuse@crystalvoice.com.sg is invalid
mnt-by:         MAINT-CRYSTALNETPTELTD-SG
last-modified:  2025-11-18T00:31:36Z
source:         APNIC

organisation:   ORG-CNPL7-AP
org-name:       Crystal Net Pte Ltd
org-type:       LIR
country:        SG
address:        69 Ubi Road 1 # 05-29
address:        Oxley Bizhub
address:        Singapore 408731
phone:          +6567276000
e-mail:         abuse@crystalvoice.com.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:15Z
source:         APNIC

role:           ABUSE CRYSTALNETPTELTDSG
country:        ZZ
address:        69 Ubi Road 1 # 05-29, Oxley Bizhub, Singapore 408731, Singapore Singapore 408731
phone:          +000000000
e-mail:         abuse@crystalvoice.com.sg
admin-c:        CNPL8-AP
tech-c:         CNPL8-AP
nic-hdl:        AC1892-AP
remarks:        Generated from irt object IRT-CRYSTALNETPTELTD-SG
remarks:        abuse@crystalvoice.com.sg is invalid
abuse-mailbox:  abuse@crystalvoice.com.sg
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-21T13:12:52Z
source:         APNIC

role:           Crystal Net Pte Ltd administrator
address:        69 Ubi Road 1 #05-29, Oxley Bizhub, Singapore 408731, Singapore Singapore 408731
country:        SG
phone:          +6567276000
fax-no:         +6567276000
e-mail:         abuse@crystalvoice.com.sg
admin-c:        CNPL8-AP
tech-c:         CNPL8-AP
nic-hdl:        CNPL8-AP
mnt-by:         MAINT-CRYSTALNETPTELTD-SG
last-modified:  2017-05-22T01:35:21Z
source:         APNIC

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-20T07:15:14Z
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" : "AS136506 - AS137529",
    "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" : "2016-05-26",
    "source" : "APNIC"
  }, {
    "as_block" : "AS136506 - AS137529",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-20",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS136606",
    "as_name" : "CRYSTALNETPTELTD-AS-AP",
    "description" : [ "Crystal Net Pte Ltd" ],
    "country" : "SG",
    "organization" : "ORG-CNPL7-AP",
    "admin_contacts" : [ "CNPL8-AP" ],
    "tech_contacts" : [ "CNPL8-AP" ],
    "abuse_contacts" : [ "AC1892-AP" ],
    "mnt_irt" : [ "IRT-CRYSTALNETPTELTD-SG" ],
    "mnt_lower" : [ "MAINT-CRYSTALNETPTELTD-SG" ],
    "mnt_routes" : [ "MAINT-CRYSTALNETPTELTD-SG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-07-04",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CRYSTALNETPTELTD-SG",
    "address" : [ "69 Ubi Road 1" ],
    "street" : "Ubi Road 1",
    "email" : [ "abuse@crystalvoice.com.sg" ],
    "abuse_mailbox" : [ "abuse@crystalvoice.com.sg" ],
    "admin_contacts" : [ "CNPL8-AP" ],
    "tech_contacts" : [ "CNPL8-AP" ],
    "remarks" : [ "abuse@crystalvoice.com.sg is invalid" ],
    "mnt_by" : [ "MAINT-CRYSTALNETPTELTD-SG" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CNPL7-AP",
    "name" : "Crystal Net Pte Ltd",
    "type" : "LIR",
    "address" : [ "69 Ubi Road 1 # 05-29", "Oxley Bizhub", "Singapore 408731" ],
    "street" : "Ubi Road 1",
    "city" : "Singapore",
    "zip_code" : "408731",
    "country" : [ "SG" ],
    "email" : [ "abuse@crystalvoice.com.sg" ],
    "phone" : [ "+6567276000" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CNPL8-AP",
    "name" : "Crystal Net Pte Ltd administrator",
    "address" : [ "69 Ubi Road 1 #05-29, Oxley Bizhub, Singapore 408731, Singapore Singapore 408731" ],
    "street" : "Ubi Road 1",
    "city" : "Singapore",
    "zip_code" : "408731",
    "country" : "SG",
    "email" : [ "abuse@crystalvoice.com.sg" ],
    "phone" : [ "+6567276000" ],
    "fax_no" : [ "+6567276000" ],
    "admin_contacts" : [ "CNPL8-AP" ],
    "tech_contacts" : [ "CNPL8-AP" ],
    "mnt_by" : [ "MAINT-CRYSTALNETPTELTD-SG" ],
    "date_updated" : "2017-05-22",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CNPL8-AP",
    "name" : "Crystal Net Pte Ltd administrator",
    "address" : [ "69 Ubi Road 1 #05-29, Oxley Bizhub, Singapore 408731, Singapore Singapore 408731" ],
    "street" : "Ubi Road 1",
    "city" : "Singapore",
    "zip_code" : "408731",
    "country" : "SG",
    "email" : [ "abuse@crystalvoice.com.sg" ],
    "phone" : [ "+6567276000" ],
    "fax_no" : [ "+6567276000" ],
    "admin_contacts" : [ "CNPL8-AP" ],
    "tech_contacts" : [ "CNPL8-AP" ],
    "mnt_by" : [ "MAINT-CRYSTALNETPTELTD-SG" ],
    "date_updated" : "2017-05-22",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1892-AP",
    "name" : "ABUSE CRYSTALNETPTELTDSG",
    "address" : [ "69 Ubi Road 1 # 05-29, Oxley Bizhub, Singapore 408731, Singapore Singapore 408731" ],
    "street" : "Ubi Road 1",
    "city" : "Singapore",
    "zip_code" : "408731",
    "country" : "ZZ",
    "email" : [ "abuse@crystalvoice.com.sg" ],
    "abuse_mailbox" : [ "abuse@crystalvoice.com.sg" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CNPL8-AP" ],
    "tech_contacts" : [ "CNPL8-AP" ],
    "remarks" : [ "Generated from irt object IRT-CRYSTALNETPTELTD-SG", "abuse@crystalvoice.com.sg is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-05-21",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ]
}

Peers

AS Number	Description	Country
AS56308	TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD	SG

Upstreams

AS Number	Description	Country
AS56308	TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD	SG

Contacts

Email Contacts

hostmaster@idnic.net

Abuse Contacts

abuse@crystalvoice.com.sg