What is ASN AS133728?

ASN AS133728 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS133728?

AS133728 is listed under Chubb Asia Pacific 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.

AS133728 Chubb Asia Pacific Pte Ltd

ASN Lookup Tool

Chubb Asia Pacific Pte Ltd chubb.com

SG 1 Routes

AS Data

AS133728

AS133728 – Chubb Asia Pacific Pte Ltd

AS Number	133728
AS Name	CAPPL-AS-AP
Organization	Chubb Asia Pacific Pte Ltd (org-capp1-ap)
Country	SG
Website	chubb.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 AS133728 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.98.133.0/24	AS133728	Chubb Asia Pacific Pte Ltd	Chubb Asia Pacific Pte Ltd	256

Raw Whois Response

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

% Information related to 'AS133632 - AS134556'

as-block:       AS133632 - AS134556
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:  2014-09-03T01:31:49Z
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 'AS133728'

% Abuse contact for 'AS133728' is 'ChubbAP-RegionalInfraOperation@Chubb.com'

aut-num:        AS133728
as-name:        CAPPL-AS-AP
descr:          Chubb Asia Pacific Pte Ltd
country:        SG
org:            ORG-CAPP1-AP
admin-c:        CAPP2-AP
tech-c:         CAPP2-AP
abuse-c:        AC1891-AP
mnt-lower:      MAINT-CAPPL-SG
mnt-routes:     MAINT-CAPPL-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-CAPPL-SG
last-modified:  2020-07-02T13:22:49Z
source:         APNIC

irt:            IRT-CAPPL-SG
address:        138 Market Street,
e-mail:         ChubbAP-RegionalInfraOperation@Chubb.com
abuse-mailbox:  ChubbAP-RegionalInfraOperation@Chubb.com
admin-c:        CAPP2-AP
tech-c:         CAPP2-AP
auth:           # Filtered
remarks:        ChubbAP-RegionalInfraOperation@Chubb.com
remarks:        chubbap-regionalinfraoperation@chubb.com was validated on 2026-02-05
mnt-by:         MAINT-CAPPL-SG
last-modified:  2026-02-05T09:57:41Z
source:         APNIC

organisation:   ORG-CAPP1-AP
org-name:       Chubb Asia Pacific Pte Ltd
org-type:       LIR
country:        SG
address:        138 Market Street, # 12-01 CapitaGreen
phone:          +65-97371125
e-mail:         alex.mok@chubb.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:18Z
source:         APNIC

role:           ABUSE CAPPLSG
country:        ZZ
address:        138 Market Street,
phone:          +000000000
e-mail:         ChubbAP-RegionalInfraOperation@Chubb.com
admin-c:        CAPP2-AP
tech-c:         CAPP2-AP
nic-hdl:        AC1891-AP
remarks:        Generated from irt object IRT-CAPPL-SG
remarks:        chubbap-regionalinfraoperation@chubb.com was validated on 2026-02-05
abuse-mailbox:  ChubbAP-RegionalInfraOperation@Chubb.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-05T09:58:20Z
source:         APNIC

role:           Chubb Asia Pacific Pte Ltd administrator
address:        138 Market Street, #12-01 CapitaGreen, Singapore Singapore 048946
country:        SG
phone:          +65-97371125
fax-no:         +65-97371125
e-mail:         domainabuse@cscglobal.com
admin-c:        CAPP2-AP
tech-c:         CAPP2-AP
nic-hdl:        CAPP2-AP
mnt-by:         MAINT-CAPPL-SG
last-modified:  2017-08-06T23:48:36Z
source:         APNIC

% Information related to 'AS133632 - AS134556'

as-block:       AS133632 - AS134556
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T13:21:12Z
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" : "AS133632 - AS134556",
    "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" : "2014-09-03",
    "source" : "APNIC"
  }, {
    "as_block" : "AS133632 - AS134556",
    "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" : "AS133728",
    "as_name" : "CAPPL-AS-AP",
    "description" : [ "Chubb Asia Pacific Pte Ltd" ],
    "country" : "SG",
    "organization" : "ORG-CAPP1-AP",
    "admin_contacts" : [ "CAPP2-AP" ],
    "tech_contacts" : [ "CAPP2-AP" ],
    "abuse_contacts" : [ "AC1891-AP" ],
    "mnt_irt" : [ "IRT-CAPPL-SG" ],
    "mnt_lower" : [ "MAINT-CAPPL-SG" ],
    "mnt_routes" : [ "MAINT-CAPPL-SG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-07-02",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CAPPL-SG",
    "address" : [ "138 Market Street," ],
    "street" : "Market Street",
    "email" : [ "ChubbAP-RegionalInfraOperation@Chubb.com" ],
    "abuse_mailbox" : [ "ChubbAP-RegionalInfraOperation@Chubb.com" ],
    "admin_contacts" : [ "CAPP2-AP" ],
    "tech_contacts" : [ "CAPP2-AP" ],
    "remarks" : [ "ChubbAP-RegionalInfraOperation@Chubb.com", "chubbap-regionalinfraoperation@chubb.com was validated on 2026-02-05" ],
    "mnt_by" : [ "MAINT-CAPPL-SG" ],
    "date_updated" : "2026-02-05",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CAPP1-AP",
    "name" : "Chubb Asia Pacific Pte Ltd",
    "type" : "LIR",
    "address" : [ "138 Market Street, # 12-01 CapitaGreen" ],
    "street" : "Market Street # 12-01 Capitagreen",
    "country" : [ "SG" ],
    "email" : [ "alex.mok@chubb.com" ],
    "phone" : [ "+65-97371125" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CAPP2-AP",
    "name" : "Chubb Asia Pacific Pte Ltd administrator",
    "address" : [ "138 Market Street, #12-01 CapitaGreen, Singapore Singapore 048946" ],
    "street" : "Market Street #12-01 Capitagreen",
    "city" : "Singapore",
    "zip_code" : "048946",
    "country" : "SG",
    "email" : [ "domainabuse@cscglobal.com" ],
    "phone" : [ "+65-97371125" ],
    "fax_no" : [ "+65-97371125" ],
    "admin_contacts" : [ "CAPP2-AP" ],
    "tech_contacts" : [ "CAPP2-AP" ],
    "mnt_by" : [ "MAINT-CAPPL-SG" ],
    "date_updated" : "2017-08-06",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CAPP2-AP",
    "name" : "Chubb Asia Pacific Pte Ltd administrator",
    "address" : [ "138 Market Street, #12-01 CapitaGreen, Singapore Singapore 048946" ],
    "street" : "Market Street #12-01 Capitagreen",
    "city" : "Singapore",
    "zip_code" : "048946",
    "country" : "SG",
    "email" : [ "domainabuse@cscglobal.com" ],
    "phone" : [ "+65-97371125" ],
    "fax_no" : [ "+65-97371125" ],
    "admin_contacts" : [ "CAPP2-AP" ],
    "tech_contacts" : [ "CAPP2-AP" ],
    "mnt_by" : [ "MAINT-CAPPL-SG" ],
    "date_updated" : "2017-08-06",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1891-AP",
    "name" : "ABUSE CAPPLSG",
    "address" : [ "138 Market Street," ],
    "street" : "Market Street",
    "country" : "ZZ",
    "email" : [ "ChubbAP-RegionalInfraOperation@Chubb.com" ],
    "abuse_mailbox" : [ "ChubbAP-RegionalInfraOperation@Chubb.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CAPP2-AP" ],
    "tech_contacts" : [ "CAPP2-AP" ],
    "remarks" : [ "Generated from irt object IRT-CAPPL-SG", "chubbap-regionalinfraoperation@chubb.com was validated on 2026-02-05" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-02-05",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS9255	Singapore Telecom	SG
AS9255	Singapore Telecom, ConnectPlus	SG

Upstreams

AS Number	Description	Country
AS9255	Singapore Telecom, ConnectPlus	SG

Contacts

Email Contacts

hostmaster@idnic.net ChubbAP-RegionalInfraOperation@Chubb.com

Abuse Contacts

domainabuse@cscglobal.com ChubbAP-RegionalInfraOperation@Chubb.com