ASN Lookup Tool

Chunghwa Telecom Co., Ltd. cht.com.tw TW TW 44 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 9
ASN type ISP
Registry APNIC
Date Allocated N/A

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Use ASN data for AS9505 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:b200:2000::/35 ~1×10³⁰
175.111.238.0/24 256
175.41.56.0/24 256
2001:b200:3e00::/40 ~309×10²⁴
175.111.240.0/21 2048
175.111.237.0/24 256
175.41.63.0/24 256
203.78.179.0/24 256
175.41.48.0/24 256
2606:c00::/32 ~79×10²⁷

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 2025-10-15
mnt-by:         MAINT-TW-CHTI
last-modified:  2025-11-18T00:31:53Z
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 2025-10-15
abuse-mailbox:  b-noc@cht.com.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-15T00:51:53Z
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 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS4837 China Unicom Backbone CN
AS131447 POPIDC powered by CSLoxinfo TH
AS40627 RingCentral Inc US
AS2500 WIDE Project JP
AS38880 Micron21 Datacentre Pty Ltd AU
AS133847 Anpple Tech Enterprise MY
AS58955 Bangmod Enterprise Co., Ltd. TH
AS14537 Continent 8 LLC US
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS37468 Angola Cables AO

Upstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS8708 DIGI ROMANIA S.A. RO
AS7195 EDGEUNO S.A.S CO
AS9680 Data Communication Business Group, Chunghwa Telecom Co., Ltd. TW
AS10133 Chief Telecom Inc. TW
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS8359 MTS PJSC RU
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS24115 Equinix Asia Pacific Pte Ltd SG

Downstreams

AS Number Description Country
AS135062 PT Indotech Mitra Digital ID
AS20326 TeraSwitch Networks Inc. US
AS2906 Netflix Streaming Services Inc. US
AS40627 RingCentral 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.