AS9505 Taiwan Internet Gateway 🇹🇼 TW
Chunghwa Telecom Co., Ltd.. Announcing 45 prefixes, seen at the RIS collectors.
IPv4 prefixes
36
31,744 (124 × /24)
IPv6 prefixes
9
2.1 × /32
Upstreams
7
transit providers observed
Peers
19
settlement-free adjacencies
Downstreams
53
transit customers observed
Customer cone
20,499
ASes reachable through it
Registry and operator data
- AS number
- AS9505
- Name
- Taiwan Internet Gateway
- Organisation
- TWGate
- Country
- 🇹🇼 TW
- RIR
- APNIC
- Allocated
- 1999-03-24
- Network type
- NSP
- Traffic levels
- 100-200Gbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- AS-TWIG
- Website
- http://www.cht.com.tw
- PeeringDB
- net/791
- Exchanges
- 11
- Facilities
- 9
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
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: PO Box 3646 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: 2026-08-26T00:40:00Z source: APNIC 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: 2026-09-24T09:51:34Z 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