ASN Lookup Tool

Chunghwa Telecom Co., Ltd. cht.com.tw TW TW 45 Routes

AS Data

AS9505

AS9505Chunghwa Telecom Co., Ltd.

AS Number 9505
AS Name TWGATE-AP
Organization Chunghwa Telecom Co., Ltd. (org-ctcl1-ap)
Country TW
Website cht.com.tw
Number of IPv4 Routes 35
Number of IPv6 Routes 10
ASN type ISP
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
2001:b200:2000::/35 ~1×10³⁰
2001:b200:3e00::/40 ~309×10²⁴
203.160.231.0/24 256
175.41.51.0/24 256
2606:c00::/32 ~79×10²⁷
203.160.232.0/24 256
175.111.238.0/24 256
2001:b200:600::/40 ~309×10²⁴
175.41.55.0/24 256
2001:b200:2200::/40 ~309×10²⁴
175.41.52.0/24 256
175.111.240.0/21 2048
2001:b200:1f00::/40 ~309×10²⁴
175.41.62.0/24 256
208.70.200.0/21 2048
220.128.52.0/24 256
2001:b200:1e00::/40 ~309×10²⁴
203.78.180.0/24 256
175.111.224.0/20 4096
2001:b200::/32 ~79×10²⁷
175.111.239.0/24 256
175.111.235.0/24 256
66.171.112.0/21 2048
175.41.56.0/24 256
220.128.48.0/24 256
175.41.58.0/24 256
175.41.61.0/24 256
203.160.224.0/20 4096
2001:b200:3f00::/40 ~309×10²⁴
203.160.235.0/24 256
175.41.57.0/24 256
175.111.236.0/24 256
175.41.48.0/20 4096
203.160.233.0/24 256
203.78.176.0/20 4096
2001:b200:1800::/40 ~309×10²⁴
175.41.49.0/24 256
175.41.63.0/24 256
203.78.179.0/24 256
175.41.48.0/24 256
175.41.50.0/24 256
203.78.182.0/24 256
175.41.54.0/24 256
220.128.48.0/21 2048
175.111.237.0/24 256

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 'AS9505'

% Abuse contact for 'AS9505' is 'b-noc@cht.com.tw'

aut-num:        AS9505
as-name:        TWGATE-AP
descr:          Taiwan Internet Gateway
descr:          Chunghwa Telecom -- International Business Group
descr:          Room 503, # 31, Aikuo East Road, Taipei 106
country:        TW
import:         from AS6453 action pref=100; accept ANY
export:         to AS6453 announce AS-TWIG
org:            ORG-CTCL1-AP
admin-c:        WS31-AP
tech-c:         MY37-AP
abuse-c:        AH890-AP
mnt-lower:      MAINT-TW-CHTI
mnt-routes:     MAINT-TW-CHTI
mnt-by:         APNIC-HM
mnt-irt:        IRT-HINET-TW
last-modified:  2020-06-10T13:05:50Z
source:         APNIC

irt:            IRT-HINET-TW
address:        Chunghwa Telecom - International Business Group (CHTI)
address:        5F(R511),
e-mail:         b-noc@cht.com.tw
abuse-mailbox:  b-noc@cht.com.tw
admin-c:        WS31-AP
tech-c:         WS31-AP
auth:           # Filtered
remarks:        b-noc@cht.com.tw was validated on 2026-04-22
mnt-by:         MAINT-TW-CHTI
last-modified:  2026-04-22T01:15:18Z
source:         APNIC

organisation:   ORG-CTCL1-AP
org-name:       Chunghwa Telecom Co., Ltd.
org-type:       LIR
country:        TW
address:        IP Transport Network Planning & Design Department
address:        Chunghwa Telecom
address:        Network Technology Branch
address:        21 Sec 1, Hsin-Yi Rd
phone:          +886-2-23444600
fax-no:         +886-2-23442513
e-mail:         b-noc@cht.com.tw
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:45Z
source:         APNIC

role:           ABUSE HINETTW
country:        ZZ
address:        Chunghwa Telecom - International Business Group (CHTI)
address:        5F(R511),
phone:          +000000000
e-mail:         b-noc@cht.com.tw
admin-c:        WS31-AP
tech-c:         WS31-AP
nic-hdl:        AH890-AP
remarks:        Generated from irt object IRT-HINET-TW
remarks:        b-noc@cht.com.tw was validated on 2026-04-22
abuse-mailbox:  b-noc@cht.com.tw
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-22T01:15:48Z
source:         APNIC

person:         Ming-Hsien Yang
address:        Chunghwa Telecom - International Business Group (CHT-I)
address:        7F(R707), #31,  Aikuo East Road, Taipei ,Taiwan, 106 R.O.C
country:        TW
phone:          +886-2-23443574
fax-no:         +886-2-23568357
e-mail:         mhyang@chti.com.tw
nic-hdl:        MY37-AP
mnt-by:         MAINT-TW-CHTI
last-modified:  2008-09-04T07:29:17Z
source:         APNIC

person:         Wen-Shyang Shiau
address:        Chunghwa Telecom - International Business Group (CHTI)
address:        5F(R511), #31, Aikuo East Road, Taipei,Taiwan, 106 R.O.C
country:        TW
phone:          +886-2-23443916
fax-no:         +886-2-23443577
e-mail:         wsshiau@chti.com.tw
nic-hdl:        WS31-AP
mnt-by:         MAINT-TW-CHTI
last-modified:  2008-09-04T07:29:17Z
source:         APNIC

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

Parsed Whois Response

Peers

AS Number Description Country
AS4837 China Unicom Backbone CN
AS131447 POPIDC powered by CSLoxinfo TH
AS2500 WIDE Project JP
AS38880 Micron21 Datacentre Pty Ltd AU
AS133847 Anpple Tech Enterprise MY
AS18046 DongFong Technology Co. Ltd. TW
AS3258 xTom Japan Corporation JP
AS9264 Academia Sinica TW
AS131659 NETEASE TW
AS7481 Data Communication Business Group TW
AS215724 Edgevana, Inc. US
AS6079 RCN US
AS51847 Nearoute Limited HK
AS17433 Hytron Network Services Limited HK
AS206735 Novelcomm LP GR
AS137983 TIANFENG (HONG KONG) COMMUNICATIONS LIMITED HK
AS13237 euNetworks GmbH DE
AS32590 Valve Corporation US
AS10126 Taiwan Internet Gateway TW
AS11164 Internet2 US
AS136897 Enjoyvc Cloud Group Limited. HK
AS137566 Data Zone Company Limited TH
AS17893 Palau National Communications Corp. PW
AS9507 NextHop Pty Ltd AU
AS27281 Quantcast Corporation US
AS132167 Nine Communications Company Limited MM
AS1828 Unitas Global US
AS58879 Shanghai ruisu network technology co.,LTD CN
AS154117 Mekha Cloud Company Limited TH
AS38158 PT. Cyberindo Aditama ID
AS10111 Zeofast Network CN
AS17726 Telecom Cambodia KH
AS23932 Otaro Co., Ltd. TH
AS138965 Streamtech Systems Technologies Inc. PH
AS8657 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. PT
AS400514 ESpace Networks US
AS151326 DCConnect Communication Pte. Ltd. SG
AS133210 EN Technologies Pte Ltd SG
AS9621 Okinawa Telecommunication Network Co.,Inc JP
AS18403 FPT Telecom Company VN
AS45667 TCC Technology Co.,Ltd. TH
AS215859 Hetzner Online GmbH DE
AS4621 Development, Ministry of University Affairs, Thailand TH
AS4766 Korea Telecom KR
AS19551 Incapsula Inc US
AS133880 Thai Red Cross Society TH
AS45899 VNPT Corp VN
AS56038 RackCorp AU
AS24271 Iruma CATV co. JP
AS4800 PT Aplikanusa Lintasarta ID
AS1280 Internet Systems Consortium, Inc. US
AS35280 F5 Networks SARL FR
AS58952 Frontiir Co. Ltd MM
AS132203 Tencent Building, Kejizhongyi Avenue CN
AS63949 Akamai Connected Cloud SG
AS63927 RISE HK
AS21396 NetConnex Broadband Ltd. GB
AS8708 DIGI ROMANIA S.A. RO
AS38631 LY Corporation JP
AS9924 Taiwan Fixed Network, Telco and Network Service Provider. TW

Upstreams

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS9304 HGC Global Communications Limited HK
AS12552 GlobalConnect AB SE
AS8708 DIGI ROMANIA S.A. RO
AS9680 Data Communication Business Group, Chunghwa Telecom Co., Ltd. TW
AS39351 31173 Services AB SE
AS10133 Chief Telecom Inc. TW
AS6939 Hurricane Electric LLC US
AS138997 Eons Data Communications Limited HK
AS4635 The Hong Kong Internet Exchange Limited HK
AS6663 Euroweb Romania S.R.L. RO
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS2914 NTT America, Inc. US
AS18041 Taiwan Digital Streaming Co. TW
AS24115 Equinix Asia Pacific Pte Ltd SG
AS2516 KDDI CORPORATION JP
AS33891 Core Backbone GmbH DE
AS17557 Pakistan Telecommunication Company Limited PK
AS2856 British Telecommunications Limited GB
AS2497 Internet Initiative Japan Inc. JP
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS3491 PCCW Global HK Limited HK
AS2518 BIGLOBE Inc. JP
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS4637 Telstra International Limited HK
AS58453 China Mobile International Limited HK
AS8220 COLT Technology Services Group Limited GB
AS9583 Sify Limited IN
AS9002 RETN Limited GB
AS3462 Chunghwa Telecom Co., Ltd. TW
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS1267 WIND TRE S.P.A. IT
AS45250 Vocom International Telecommunication Inc. US
AS174 Cogent Communications, LLC US
AS9930 TT DOTCOM SDN BHD MY
AS17676 SoftBank Corp. JP
AS15412 Global Cloud Xchange GB
AS30844 Liquid Telecommunications Ltd GB
AS1299 Arelion Sweden AB SE
AS20485 Joint Stock Company TransTeleCom RU
AS38008 Aperture Science Limited HK
AS215638 Cilix Limited GB
AS3356 Level 3 Parent, LLC US
AS40065 CNSERVERS LLC US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS135062 PT Indotech Mitra Digital ID
AS20326 TeraSwitch Networks Inc. US
AS2906 Netflix Streaming Services Inc. US
AS133847 Anpple Tech Enterprise MY
AS58955 Bangmod Enterprise Co., Ltd. TH
AS131660 Chunghwa Telecom Co.,Ltd. TW
AS216211 CYBERVERSE LLC US
AS7478 Mackay Telecommunication Inc. TW
AS131659 NETEASE TW

Contacts

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Frequently Asked Questions

ASN AS9505 is an Autonomous System Number used to identify a network for BGP internet routing.
AS9505 is listed under Chunghwa Telecom Co., 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.