What is ASN AS135066?

ASN AS135066 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS135066?

AS135066 is listed under Schroders Investment Management Singapore Limited.

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.

AS135066 Schroders Investment Management Singapore Limited

ASN Lookup Tool

Schroders Investment Management Singapore Limited schroders.com

SG 1 Routes

AS Data

AS135066

AS135066 – Schroders Investment Management Singapore Limited

AS Number	135066
AS Name	SIML-AS-AP
Organization	Schroders Investment Management Singapore Limited (org-siml1-ap)
Country	SG
Website	schroders.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.208.3.0/24	AS135066	Schroders Investment Management Singapore Limited	Schroders Investment Management Singapore Limited	256

Raw Whois Response

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

% Information related to 'AS134557 - AS135580'

as-block:       AS134557 - AS135580
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:  2014-09-03T01:31:50Z
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 'AS135066'

% Abuse contact for 'AS135066' is '+SI-SGNetworkSupport@schroders.com'

aut-num:        AS135066
as-name:        SIML-AS-AP
descr:          Schroders Investment Management (Singapore) Limited
country:        SG
org:            ORG-SIML1-AP
admin-c:        SIMS1-AP
tech-c:         SIMS1-AP
abuse-c:        AS2953-AP
mnt-lower:      MAINT-SIML-SG
mnt-routes:     MAINT-SIML-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-SIML-SG
last-modified:  2024-02-08T02:52:49Z
export:         to AS-ANY announce AS135066:AS-ALL
source:         APNIC

irt:            IRT-SIML-SG
address:        138 Market Street
e-mail:         +SI-SGNetworkSupport@schroders.com
abuse-mailbox:  +SI-SGNetworkSupport@schroders.com
admin-c:        SIMS1-AP
tech-c:         SIMS1-AP
auth:           # Filtered
remarks:        +si-sgnetworksupport@schroders.com is invalid
mnt-by:         MAINT-SIML-SG
last-modified:  2025-11-18T00:30:36Z
source:         APNIC

organisation:   ORG-SIML1-AP
org-name:       Schroders Investment Management (Singapore) Limited
org-type:       LIR
country:        SG
address:        138 Market Street # 23-01 CapitaGreen Singapore 048946
phone:          +65-68007000
fax-no:         +65-65354113
e-mail:         +SI-SGNetworkSupport@schroders.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:47Z
source:         APNIC

role:           ABUSE SIMLSG
country:        ZZ
address:        138 Market Street
phone:          +000000000
e-mail:         +SI-SGNetworkSupport@schroders.com
admin-c:        SIMS1-AP
tech-c:         SIMS1-AP
nic-hdl:        AS2953-AP
remarks:        Generated from irt object IRT-SIML-SG
remarks:        +si-sgnetworksupport@schroders.com is invalid
abuse-mailbox:  +SI-SGNetworkSupport@schroders.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T20:54:34Z
source:         APNIC

role:           Schroders Investment Management Singapore Limite
address:        138 Market Street #23-01 CapitaGreen Singapore 048946, Singapore  048946
country:        SG
phone:          +65-68007000
fax-no:         +65-68007000
e-mail:         +SI-SGNetworkSupport@schroders.com
admin-c:        SIMS1-AP
tech-c:         SIMS1-AP
nic-hdl:        SIMS1-AP
mnt-by:         MAINT-SIML-SG
last-modified:  2016-02-01T07:32:46Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS134557 - AS135580",
    "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"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS135066",
    "as_name" : "SIML-AS-AP",
    "description" : [ "Schroders Investment Management (Singapore) Limited" ],
    "country" : "SG",
    "export" : [ "to AS-ANY announce AS135066:AS-ALL" ],
    "organization" : "ORG-SIML1-AP",
    "admin_contacts" : [ "SIMS1-AP" ],
    "tech_contacts" : [ "SIMS1-AP" ],
    "abuse_contacts" : [ "AS2953-AP" ],
    "mnt_irt" : [ "IRT-SIML-SG" ],
    "mnt_lower" : [ "MAINT-SIML-SG" ],
    "mnt_routes" : [ "MAINT-SIML-SG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-02-08",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-SIML-SG",
    "address" : [ "138 Market Street" ],
    "street" : "Market Street",
    "email" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "abuse_mailbox" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "admin_contacts" : [ "SIMS1-AP" ],
    "tech_contacts" : [ "SIMS1-AP" ],
    "remarks" : [ "+si-sgnetworksupport@schroders.com is invalid" ],
    "mnt_by" : [ "MAINT-SIML-SG" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-SIML1-AP",
    "name" : "Schroders Investment Management (Singapore) Limited",
    "type" : "LIR",
    "address" : [ "138 Market Street # 23-01 CapitaGreen Singapore 048946" ],
    "street" : "Market Street # 23-01 Capitagreen",
    "city" : "Singapore",
    "zip_code" : "048946",
    "country" : [ "SG" ],
    "email" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "phone" : [ "+65-68007000" ],
    "fax_no" : [ "+65-65354113" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "SIMS1-AP",
    "name" : "Schroders Investment Management Singapore Limite",
    "address" : [ "138 Market Street #23-01 CapitaGreen Singapore 048946, Singapore  048946" ],
    "street" : "Market Street #23-01 Capitagreen",
    "city" : "Singapore",
    "zip_code" : "048946",
    "country" : "SG",
    "email" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "phone" : [ "+65-68007000" ],
    "fax_no" : [ "+65-68007000" ],
    "admin_contacts" : [ "SIMS1-AP" ],
    "tech_contacts" : [ "SIMS1-AP" ],
    "mnt_by" : [ "MAINT-SIML-SG" ],
    "date_updated" : "2016-02-01",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "SIMS1-AP",
    "name" : "Schroders Investment Management Singapore Limite",
    "address" : [ "138 Market Street #23-01 CapitaGreen Singapore 048946, Singapore  048946" ],
    "street" : "Market Street #23-01 Capitagreen",
    "city" : "Singapore",
    "zip_code" : "048946",
    "country" : "SG",
    "email" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "phone" : [ "+65-68007000" ],
    "fax_no" : [ "+65-68007000" ],
    "admin_contacts" : [ "SIMS1-AP" ],
    "tech_contacts" : [ "SIMS1-AP" ],
    "mnt_by" : [ "MAINT-SIML-SG" ],
    "date_updated" : "2016-02-01",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AS2953-AP",
    "name" : "ABUSE SIMLSG",
    "address" : [ "138 Market Street" ],
    "street" : "Market Street",
    "country" : "ZZ",
    "email" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "abuse_mailbox" : [ "+SI-SGNetworkSupport@schroders.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "SIMS1-AP" ],
    "tech_contacts" : [ "SIMS1-AP" ],
    "remarks" : [ "Generated from irt object IRT-SIML-SG", "+si-sgnetworksupport@schroders.com is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-04",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS64049	Reliance Jio Infocomm Pte Ltd Singapore	SG
AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS6939	Hurricane Electric LLC	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS4657	StarHub Ltd	SG
AS8529	Zain Omantel International FZ-LLC	AE
AS199524	G-Core Labs S.A.	LU
AS45629	JasTel Network International Gateway	TH