Organization
Singapore Institute of Management
SIM-SG-AS-AP
Registered
Jul 14, 2009
17 years ago
IPv4 Prefixes
3
768 addresses
IPv6 Prefixes
0
BGP Neighbours
1
1 upstream/peer · 0 downstream
Registration
AS Number AS131195 AS Name SIM-SG-AS-AP Organization Singapore Institute of Management Organization ID ORG-SIOM1-AP Address SIM Headquarters, 461 Clementi Road Country Singapore (SG) Registry APNIC Allocated Jul 14, 2009 Record Created Jul 14, 2009 Last Updated Jan 15, 2021 Status
active
WHOIS Server whois.apnic.net AS Description SIM-SG-AS-AP - SIM Headquarters, SG Remarks SIM Headquarters Abuse Email [email protected] IPv4 Prefixes
3 prefixes · 768 addresses Routing data as of 2026-10-07 08:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 203.217.184.0/24 | 203.217.184.0 – 203.217.184.255 | 256 |
| 203.217.186.0/24 | 203.217.186.0 – 203.217.186.255 | 256 |
| 203.217.187.0/24 | 203.217.187.0 – 203.217.187.255 | 256 |
IPv6 Prefixes
This AS does not currently announce any IPv6 prefixes.
BGP Neighbours
1 unique neighbour · 1 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries. Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers. Upstream & peer side (1)
AS Name AS paths IPv4 sightings IPv6 sightings AS139883 SPTEL-AS-AP - SPTEL PTE. LTD. 613 1,081 0
Raw RDAP Response
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "SG",
"name": "SIM-SG-AS-AP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2009-07-14T01:39:19Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-01-15T01:28:04Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/131195",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"SIM Headquarters"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2014-04-30T06:28:23Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-11-18T00:29:02Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-SIM-SG",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] is invalid"
],
"title": "remarks"
}
],
"handle": "IRT-SIM-SG",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-SIM-SG"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "SIM Headquarters, 461 Clementi Road, Singapore 599491"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2009-07-14T01:11:14Z"
},
{
"eventAction": "last changed",
"eventDate": "2009-07-14T01:11:14Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "self",
"href": "https://rdap.apnic.net/entity/SIOM1-AP",
"type": "application/rdap+json"
}
],
"handle": "SIOM1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"SINGAPORE INSTITUTE OF MANAGEMENT - network admini"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "SIM Headquarters, 461 Clementi Road, Singapore 599491"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+65-6248 9520"
],
[
"tel",
{
"type": "fax"
},
"text",
"+65-6462 9463"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-08-08T23:24:10Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T02:15:33Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/131195",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-SIOM1-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-SIOM1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Singapore Institute of Management"
],
[
"kind",
{},
"text",
"org"
],
[
"adr",
{
"label": "SIM Headquarters\n461 Clementi Road"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+65-6248-9524"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS131195",
"startAutnum": 131195,
"endAutnum": 131195,
"objectClassName": "autnum",
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.