ASN AS9911 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS9911?

AS9911 is listed under Singapore Telecommunications 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.

AS9911 Singapore Telecommunications Ltd

ASN Lookup Tool

Singapore Telecommunications Ltd singtel.com

SG 1 Routes

AS Data

AS9911

AS9911 – Singapore Telecommunications Ltd

AS Number	9911
AS Name	CONNECTPLUS-AP
Organization	Singapore Telecommunications Ltd (org-stl16-ap)
Country	SG
Website	singtel.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS9911 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.114.72.0/22	AS9911	Singapore Telecommunications Ltd	YOU Telecom India Pvt Ltd	1024

Raw Whois Response

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

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS9911'

% Abuse contact for 'AS9911' is 'leonkoh@singtel.com'

aut-num:        AS9911
as-name:        CONNECTPLUS-AP
descr:          Singapore Telecom
descr:          Comcentre
country:        SG
import:         from AS6453 action pref=10; accept ANY
import:         from AS3758 action pref=10; accept ANY
import:         from AS4628 action pref=10; accept ANY
import:         from AS4657 action pref=10; accept ANY
export:         to AS6453 announce AS9911 AS3758 AS9911 AS4628 AS9911 AS4657
export:         to AS3758 announce AS9911 AS6453
export:         to AS4628 announce AS9911 AS6453
export:         to AS4657 announce AS9911 AS6453
default:        to AS6453 action pref=10; networks ANY
org:            ORG-STL16-AP
admin-c:        CH74-AP
tech-c:         CH74-AP
abuse-c:        AS2995-AP
mnt-lower:      MAINT-AP-CONNECTPLUS
mnt-routes:     MAINT-AP-CONNECTPLUS
mnt-by:         APNIC-HM
mnt-irt:        IRT-SINGTEL-EXPAN-SIN-SG
last-modified:  2021-01-14T06:16:15Z
source:         APNIC

irt:            IRT-SINGTEL-EXPAN-SIN-SG
address:        31 Exeter Road, Comcentre
address:        Singapore 239732
e-mail:         leonkoh@singtel.com
abuse-mailbox:  leonkoh@singtel.com
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
auth:           # Filtered
remarks:        leonkoh@singtel.com was validated on 2025-09-18
mnt-by:         MAINT-SG-EXPAN
last-modified:  2025-12-16T07:20:09Z
source:         APNIC

organisation:   ORG-STL16-AP
org-name:       Singapore Telecommunications Ltd
org-type:       LIR
country:        SG
address:        Singtel Serangoon Hub
address:        1 Serangoon North Ave 5
phone:          +65--6838-3542
fax-no:         +65-6738-6847
e-mail:         leonkoh@singtel.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-08-20T13:05:13Z
source:         APNIC

role:           ABUSE SINGTELEXPANSINSG
country:        ZZ
address:        31 Exeter Road, Comcentre
address:        Singapore 239732
phone:          +000000000
e-mail:         leonkoh@singtel.com
admin-c:        KELL1-AP
admin-c:        TYM27-AP
tech-c:         KELL1-AP
tech-c:         TYM27-AP
nic-hdl:        AS2995-AP
remarks:        Generated from irt object IRT-SINGTEL-EXPAN-SIN-SG
remarks:        leonkoh@singtel.com was validated on 2025-09-18
abuse-mailbox:  leonkoh@singtel.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-18T07:19:55Z
source:         APNIC

person:         ConnectPlus Hostmaster
address:        31 Exeter Road,
address:        #04-00 Comcentre,
address:        Singapore 239732
address:
country:        SG
phone:          +65-6736-4110
fax-no:         +65-6736-4110
e-mail:         cplus-hostmaster@singtel.com
nic-hdl:        CH74-AP
notify:         cplus-hostmaster@singtel.com
mnt-by:         MAINT-AP-CONNECTPLUS
last-modified:  2011-12-22T05:14:33Z
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" : "AS9249 - AS10239",
    "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" : "2022-09-22",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS9911",
    "as_name" : "CONNECTPLUS-AP",
    "description" : [ "Singapore Telecom", "Comcentre" ],
    "country" : "SG",
    "import" : [ "from AS6453 action pref=10; accept ANY", "from AS3758 action pref=10; accept ANY", "from AS4628 action pref=10; accept ANY", "from AS4657 action pref=10; accept ANY" ],
    "export" : [ "to AS6453 announce AS9911 AS3758 AS9911 AS4628 AS9911 AS4657", "to AS3758 announce AS9911 AS6453", "to AS4628 announce AS9911 AS6453", "to AS4657 announce AS9911 AS6453" ],
    "default" : [ "to AS6453 action pref=10; networks ANY" ],
    "organization" : "ORG-STL16-AP",
    "admin_contacts" : [ "CH74-AP" ],
    "tech_contacts" : [ "CH74-AP" ],
    "abuse_contacts" : [ "AS2995-AP" ],
    "mnt_irt" : [ "IRT-SINGTEL-EXPAN-SIN-SG" ],
    "mnt_lower" : [ "MAINT-AP-CONNECTPLUS" ],
    "mnt_routes" : [ "MAINT-AP-CONNECTPLUS" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-14",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-SINGTEL-EXPAN-SIN-SG",
    "address" : [ "31 Exeter Road, Comcentre", "Singapore 239732" ],
    "street" : "Exeter Road Comcentre",
    "city" : "Singapore",
    "zip_code" : "239732",
    "email" : [ "leonkoh@singtel.com" ],
    "abuse_mailbox" : [ "leonkoh@singtel.com" ],
    "admin_contacts" : [ "KELL1-AP", "TYM27-AP" ],
    "tech_contacts" : [ "KELL1-AP", "TYM27-AP" ],
    "remarks" : [ "leonkoh@singtel.com was validated on 2025-09-18" ],
    "mnt_by" : [ "MAINT-SG-EXPAN" ],
    "date_updated" : "2025-12-16",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-STL16-AP",
    "name" : "Singapore Telecommunications Ltd",
    "type" : "LIR",
    "address" : [ "Singtel Serangoon Hub", "1 Serangoon North Ave 5" ],
    "street" : "Serangoon North Ave 5",
    "country" : [ "SG" ],
    "email" : [ "leonkoh@singtel.com" ],
    "phone" : [ "+65--6838-3542" ],
    "fax_no" : [ "+65-6738-6847" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-08-20",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CH74-AP",
    "name" : "ConnectPlus Hostmaster",
    "address" : [ "31 Exeter Road,", "#04-00 Comcentre,", "Singapore 239732" ],
    "street" : "Exeter Road #04-00",
    "city" : "Singapore",
    "zip_code" : "239732",
    "country" : "SG",
    "email" : [ "cplus-hostmaster@singtel.com" ],
    "phone" : [ "+65-6736-4110" ],
    "fax_no" : [ "+65-6736-4110" ],
    "notify" : [ "cplus-hostmaster@singtel.com" ],
    "mnt_by" : [ "MAINT-AP-CONNECTPLUS" ],
    "date_updated" : "2011-12-22",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CH74-AP",
    "name" : "ConnectPlus Hostmaster",
    "address" : [ "31 Exeter Road,", "#04-00 Comcentre,", "Singapore 239732" ],
    "street" : "Exeter Road #04-00",
    "city" : "Singapore",
    "zip_code" : "239732",
    "country" : "SG",
    "email" : [ "cplus-hostmaster@singtel.com" ],
    "phone" : [ "+65-6736-4110" ],
    "fax_no" : [ "+65-6736-4110" ],
    "notify" : [ "cplus-hostmaster@singtel.com" ],
    "mnt_by" : [ "MAINT-AP-CONNECTPLUS" ],
    "date_updated" : "2011-12-22",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AS2995-AP",
    "name" : "ABUSE SINGTELEXPANSINSG",
    "address" : [ "31 Exeter Road, Comcentre", "Singapore 239732" ],
    "street" : "Exeter Road Comcentre",
    "city" : "Singapore",
    "zip_code" : "239732",
    "country" : "ZZ",
    "email" : [ "leonkoh@singtel.com" ],
    "abuse_mailbox" : [ "leonkoh@singtel.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "KELL1-AP", "TYM27-AP" ],
    "tech_contacts" : [ "KELL1-AP", "TYM27-AP" ],
    "remarks" : [ "Generated from irt object IRT-SINGTEL-EXPAN-SIN-SG", "leonkoh@singtel.com was validated on 2025-09-18" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-18",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS3758	SingNet Pte Ltd	SG
AS6453	TATA COMMUNICATIONS AMERICA INC	US
AS4628	PACIFIC INTERNET S PTE. LTD.	SG
AS4657	Starhub Ltd.	SG
AS51847	Nearoute Limited	HK

Upstreams

AS Number	Description	Country
AS51847	Nearoute Limited	HK

Contacts

Email Contacts

cplus-hostmaster@singtel.com leonkoh@singtel.com

Abuse Contacts

leonkoh@singtel.com