ASN AS56118 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS56118?

AS56118 is listed under Office of the Civil Service Commission OCSC.

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?

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AS56118 Office of the Civil Service Commission OCSC

ASN Lookup Tool

Office of the Civil Service Commission OCSC ocsc.go.th

TH 3 Routes

AS Data

AS56118

AS56118 – Office of the Civil Service Commission OCSC

AS Number	56118
AS Name	OCSC-TH
Organization	Office of the Civil Service Commission OCSC(org-ootc3-ap)
Country	TH
Website	ocsc.go.th
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.21.42.0/23	AS56118	Office of the Civil Service Commission OCSC	Office of the Civil Service Commission OCSC	512
203.21.42.0/24	AS56118	Office of the Civil Service Commission OCSC	Office of the Civil Service Commission OCSC	256
203.21.43.0/24	AS56118	Office of the Civil Service Commission OCSC	Office of the Civil Service Commission OCSC	256

Raw Whois Response

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

% Information related to 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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 'AS56118'

% Abuse contact for 'AS56118' is 'watanyu@ocsc.go.th'

aut-num:        AS56118
as-name:        OCSC-TH
descr:          Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000
country:        TH
org:            ORG-OOTC3-AP
admin-c:        WM1241-AP
tech-c:         WM1241-AP
abuse-c:        AO410-AP
mnt-lower:      MAINT-OCSC-TH
mnt-routes:     MAINT-OCSC-TH
mnt-by:         APNIC-HM
mnt-irt:        IRT-OCSC-TH
last-modified:  2023-01-24T03:21:23Z
source:         APNIC

irt:            IRT-OCSC-TH
address:        47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand.
e-mail:         watanyu@ocsc.go.th
abuse-mailbox:  watanyu@ocsc.go.th
admin-c:        WM1241-AP
tech-c:         WM1241-AP
auth:           # Filtered
remarks:        watanyu@ocsc.go.th was validated on 2025-10-15
mnt-by:         MAINT-OCSC-TH
last-modified:  2025-11-18T00:26:51Z
source:         APNIC

organisation:   ORG-OOTC3-AP
org-name:       Office of the Civil Service Commission (OCSC)
org-type:       LIR
country:        TH
address:        Office of the Civil Service Commission
address:        47/111 Tiwanon Road, Talad kwan sub-district,
address:        Muang district
phone:          +66-9-5757-2399
fax-no:         +66-2547-1081
e-mail:         watanyu@ocsc.go.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-01-22T13:07:06Z
source:         APNIC

role:           ABUSE OCSCTH
country:        ZZ
address:        47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand.
phone:          +000000000
e-mail:         watanyu@ocsc.go.th
admin-c:        WM1241-AP
tech-c:         WM1241-AP
nic-hdl:        AO410-AP
remarks:        Generated from irt object IRT-OCSC-TH
remarks:        watanyu@ocsc.go.th was validated on 2025-10-15
abuse-mailbox:  watanyu@ocsc.go.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-15T00:48:22Z
source:         APNIC

person:         Watanyu Manataursiri
address:        47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand.
country:        TH
phone:          +66634-1-66634
e-mail:         watanyu@ocsc.go.th
nic-hdl:        WM1241-AP
mnt-by:         MAINT-OCSC-TH
last-modified:  2022-06-14T08:32:51Z
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" : "AS55296 - AS56319",
    "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" : "2009-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS56118",
    "as_name" : "OCSC-TH",
    "description" : [ "Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000" ],
    "country" : "TH",
    "organization" : "ORG-OOTC3-AP",
    "admin_contacts" : [ "WM1241-AP" ],
    "tech_contacts" : [ "WM1241-AP" ],
    "abuse_contacts" : [ "AO410-AP" ],
    "mnt_irt" : [ "IRT-OCSC-TH" ],
    "mnt_lower" : [ "MAINT-OCSC-TH" ],
    "mnt_routes" : [ "MAINT-OCSC-TH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-01-24",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-OCSC-TH",
    "address" : [ "47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand." ],
    "street" : "Tiwanon Road",
    "city" : "Talad",
    "zip_code" : "11000",
    "country" : "THAILAND.",
    "email" : [ "watanyu@ocsc.go.th" ],
    "abuse_mailbox" : [ "watanyu@ocsc.go.th" ],
    "admin_contacts" : [ "WM1241-AP" ],
    "tech_contacts" : [ "WM1241-AP" ],
    "remarks" : [ "watanyu@ocsc.go.th was validated on 2025-10-15" ],
    "mnt_by" : [ "MAINT-OCSC-TH" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-OOTC3-AP",
    "name" : "Office of the Civil Service Commission (OCSC)",
    "type" : "LIR",
    "address" : [ "Office of the Civil Service Commission", "47/111 Tiwanon Road, Talad kwan sub-district,", "Muang district" ],
    "street" : "Tiwanon Road",
    "city" : "Talad",
    "country" : [ "TH" ],
    "email" : [ "watanyu@ocsc.go.th" ],
    "phone" : [ "+66-9-5757-2399" ],
    "fax_no" : [ "+66-2547-1081" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-01-22",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "WM1241-AP",
    "name" : "Watanyu Manataursiri",
    "address" : [ "47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand." ],
    "street" : "Tiwanon Road",
    "city" : "Talad",
    "zip_code" : "11000",
    "country" : "TH",
    "email" : [ "watanyu@ocsc.go.th" ],
    "phone" : [ "+66634-1-66634" ],
    "mnt_by" : [ "MAINT-OCSC-TH" ],
    "date_updated" : "2022-06-14",
    "source" : "APNIC",
    "addressCountry" : "THAILAND."
  } ],
  "technical_contacts" : [ {
    "handle" : "WM1241-AP",
    "name" : "Watanyu Manataursiri",
    "address" : [ "47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand." ],
    "street" : "Tiwanon Road",
    "city" : "Talad",
    "zip_code" : "11000",
    "country" : "TH",
    "email" : [ "watanyu@ocsc.go.th" ],
    "phone" : [ "+66634-1-66634" ],
    "mnt_by" : [ "MAINT-OCSC-TH" ],
    "date_updated" : "2022-06-14",
    "source" : "APNIC",
    "addressCountry" : "THAILAND."
  } ],
  "abuse_contacts" : [ {
    "handle" : "AO410-AP",
    "name" : "ABUSE OCSCTH",
    "address" : [ "47/111 Tiwanon Road, Talad kwan sub-district, Muang district, Nonthaburi, 11000, Thailand." ],
    "street" : "Tiwanon Road",
    "city" : "Talad",
    "zip_code" : "11000",
    "country" : "ZZ",
    "email" : [ "watanyu@ocsc.go.th" ],
    "abuse_mailbox" : [ "watanyu@ocsc.go.th" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "WM1241-AP" ],
    "tech_contacts" : [ "WM1241-AP" ],
    "remarks" : [ "Generated from irt object IRT-OCSC-TH", "watanyu@ocsc.go.th was validated on 2025-10-15" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-10-15",
    "source" : "APNIC",
    "addressCountry" : "THAILAND."
  } ]
}

Peers

AS Number	Description	Country
AS7693	KSC Commercial Internet Co. Ltd.	TH
AS7470	TRUE INTERNET Co.,Ltd.	TH
AS7470	TRUE INTERNET CORPORATION CO. LTD.	TH
AS7693	KSC Commercial Internet Co.Ltd.	TH