Autonomous System

AS9505 Chunghwa Telecom Co., Ltd.

ISPActiveTaiwanAPNIC

AS9505 (TWGATE-AP) is an ISP network operated by Chunghwa Telecom Co., Ltd. in Taiwan, registered with APNIC. It has 36 IPv4 prefixes with 31,744 addresses and 9 IPv6 prefixes, which makes it the 5,391st largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses31,744in 36 prefixes
IPv6 prefixes9≈ 1.7 × 10²⁹ addresses
Size rank#5,391of 82,141 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationChunghwa Telecom Co., Ltd.
AS nameTWGATE-AP
Websitecht.com.tw
Country Taiwan (TW)
Network typeISP
RegistryAPNIC
Abuse contactb-noc@cht.com.tw
Registered—
Last updated2020-06-10

IPv4 prefixes

36 prefixes · 31,744 addresses
NetworkAddressesFirst – last address
175.41.48.0/204,096175.41.48.0 – 175.41.63.255
175.111.224.0/204,096175.111.224.0 – 175.111.239.255
203.78.176.0/204,096203.78.176.0 – 203.78.191.255
203.160.224.0/204,096203.160.224.0 – 203.160.239.255
66.171.112.0/212,04866.171.112.0 – 66.171.119.255
175.111.240.0/212,048175.111.240.0 – 175.111.247.255
208.70.200.0/212,048208.70.200.0 – 208.70.207.255
220.128.48.0/212,048220.128.48.0 – 220.128.55.255
175.41.48.0/24256175.41.48.0 – 175.41.48.255
175.41.49.0/24256175.41.49.0 – 175.41.49.255
175.41.50.0/24256175.41.50.0 – 175.41.50.255
175.41.51.0/24256175.41.51.0 – 175.41.51.255
175.41.52.0/24256175.41.52.0 – 175.41.52.255
175.41.54.0/24256175.41.54.0 – 175.41.54.255
175.41.55.0/24256175.41.55.0 – 175.41.55.255
175.41.56.0/24256175.41.56.0 – 175.41.56.255
175.41.57.0/24256175.41.57.0 – 175.41.57.255
175.41.58.0/24256175.41.58.0 – 175.41.58.255
175.41.61.0/24256175.41.61.0 – 175.41.61.255
175.41.62.0/24256175.41.62.0 – 175.41.62.255
175.41.63.0/24256175.41.63.0 – 175.41.63.255
175.111.234.0/24256175.111.234.0 – 175.111.234.255
175.111.235.0/24256175.111.235.0 – 175.111.235.255
175.111.236.0/24256175.111.236.0 – 175.111.236.255
175.111.237.0/24256175.111.237.0 – 175.111.237.255
The 25 largest of 36. The API and the database have all of them.

IPv6 prefixes

9 prefixes
  • 2001:b200::/32
  • 2606:c00::/32
  • 2001:b200:2000::/35
  • 2001:b200:600::/40
  • 2001:b200:1e00::/40
  • 2001:b200:1f00::/40
  • 2001:b200:2200::/40
  • 2001:b200:3e00::/40
  • 2001:b200:3f00::/40

Query AS9505 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS9505&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS9505, with or without a key:

curl "https://api.ipapi.is/?q=175.41.48.1"

Other networks of Chunghwa Telecom Co., Ltd.

AS3462 Chunghwa Telecom Co., Ltd.16,359,936 IPv4 addressesAS10126 Chunghwa Telecom Co., Ltd.35,840 IPv4 addresses

Largest networks in Taiwan

AS3462 Chunghwa Telecom Co., Ltd.16,359,936 IPv4 addressesAS1659 This aut-num object created as part of6,635,776 IPv4 addressesAS4780 Digital United Inc.5,156,352 IPv4 addressesAS9924 Taiwan Fixed Network CO.,LTD.4,313,600 IPv4 addressesAS9919 New Century InfoComm Tech Co., Ltd.3,135,488 IPv4 addressesAS9674 Far EastTone Telecommunication Co., Ltd.2,298,624 IPv4 addresses