ASN Lookup Tool

Internet Thailand Company Ltd. inet.co.th TH TH 46 Routes

AS Data

AS9903

AS9903Internet Thailand Company Ltd.

AS Number 9903
AS Name RIT-AS-AP
Organization Internet Thailand Company Ltd. (org-itcl3-ap)
Country TH
Website inet.co.th
Number of IPv4 Routes 46
Number of IPv6 Routes 0
ASN type ISP
Registry APNIC
Date Allocated N/A

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Use ASN data for AS9903 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
203.158.251.0/24 256
203.158.102.0/24 256
203.158.240.0/20 4096
203.158.110.0/24 256
203.158.242.0/24 256
203.158.116.0/24 256
203.158.255.0/24 256
203.158.123.0/24 256
203.158.108.0/24 256
203.158.98.0/24 256

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 'AS9903'

% Abuse contact for 'AS9903' is 'op-network@inet.co.th'

aut-num:        AS9903
as-name:        RIT-AS-AP
descr:          Rajamangala Institute of Technology
descr:          Rungsit-Nakornnayok Rd., Klong 6
descr:          Tanyaburi, Pathumtani 12110
country:        TH
import:         from AS4621 action pref=100; accept ANY
import:         from AS3836 action pref=100; accept ANY
import:         from AS9931 action pref=100; accept ANY
export:         to AS4621 announce AS9903
export:         to AS3836 announce AS9903
export:         to AS9931 announce AS9903
default:        to AS4621 action pref=5; networks ANY
org:            ORG-ITCL3-AP
admin-c:        NJ11-AP
tech-c:         IP8-AP
abuse-c:        AI358-AP
notify:         netadmin@uni.net.th
notify:         noc-uninet@it.chula.ac.th
notify:         noc@rit.ac.th
mnt-lower:      MAINT-TH-RIT
mnt-routes:     MAINT-TH-RIT
mnt-by:         APNIC-HM
mnt-irt:        IRT-INET-TH
last-modified:  2020-11-20T04:03:46Z
source:         APNIC

irt:            IRT-INET-TH
address:        Internet Thailand Public Company Limited
address:        1768 Thai Summit Tower, 10th -12th Floor and IT Floor
address:        New Petchburi Road, Khwaeng Bang Kapi,
address:        Khet Huay Khwang, Bangkok 10310 Thailand
e-mail:         op-network@inet.co.th
abuse-mailbox:  op-network@inet.co.th
admin-c:        TY1494-AP
tech-c:         IP219-AP
auth:           # Filtered
remarks:        op-network@inet.co.th was validated on 2026-03-18
mnt-by:         MAINT-TH-INET
last-modified:  2026-03-18T07:00:20Z
source:         APNIC

organisation:   ORG-ITCL3-AP
org-name:       Internet Thailand Company Ltd.
org-type:       LIR
country:        TH
address:        1768 IFCT Tower, 10th-12th FL
address:        IT Floor New Petchburi Road
address:        Khwaeng Bang Kapi
address:        Khet Huay Khwang
phone:          +662-257-7000
fax-no:         +662-257-7222
e-mail:         noc@inet.co.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:42Z
source:         APNIC

role:           ABUSE INETTH
country:        ZZ
address:        Internet Thailand Public Company Limited
address:        1768 Thai Summit Tower, 10th -12th Floor and IT Floor
address:        New Petchburi Road, Khwaeng Bang Kapi,
address:        Khet Huay Khwang, Bangkok 10310 Thailand
phone:          +000000000
e-mail:         op-network@inet.co.th
admin-c:        TY1494-AP
tech-c:         IP219-AP
nic-hdl:        AI358-AP
remarks:        Generated from irt object IRT-INET-TH
remarks:        op-network@inet.co.th was validated on 2026-03-18
abuse-mailbox:  op-network@inet.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-18T07:00:37Z
source:         APNIC

person:         It-arun Pitimon
nic-hdl:        IP8-AP
e-mail:         city@rit.ac.th
address:        Rajamangala Institute of Technology, klong 6, Tunyaburi, Pathumthani, 12110
phone:          +66-2549-3073
fax-no:         +66-2549-3080
country:        TH
mnt-by:         MAINT-TH-RIT
last-modified:  2017-05-30T03:54:00Z
source:         APNIC

person:         Nivat Jaruvarakul
address:        Rungsit-Nakornnayok Rd., Klong 6
address:        Tanyaburi, Pathumtani 12110
country:        TH
phone:          +66-2-549-3075
fax-no:         +66-2-549-3080
e-mail:         nivat@rit.ac.th
nic-hdl:        NJ11-AP
mnt-by:         MAINT-TH-RIT
last-modified:  2008-09-04T07:29:17Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS45458 SBN ISP/AWN ISP and SBN NIX/AWN NIX TH
AS4621 Development, Ministry of University Affairs, Thailand TH
AS3836 National Electronics and Computer Technology Center TH
AS4621 UNINET-TH TH
AS9931 National Telecom Public Company Limited TH
AS45458 SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX TH
AS45430 SBN-IIG/AWN-IIG transit provider TH

Upstreams

AS Number Description Country
AS45458 SBN ISP/AWN ISP and SBN NIX/AWN NIX TH
AS4621 Development, Ministry of University Affairs, Thailand TH

Contacts

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Frequently Asked Questions

ASN AS9903 is an Autonomous System Number used to identify a network for BGP internet routing.
AS9903 is listed under Internet Thailand Company Ltd..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.