ASN AS33717 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33717?

AS33717 is listed under Chunghwa Telecom Global, INC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS33717 Chunghwa Telecom Global, INC

ASN Lookup Tool

Chunghwa Telecom Global, INC chtglobal.com

US 22 Routes

AS Data

AS33717

AS33717 – Chunghwa Telecom Global, INC

AS Number	33717
AS Name	CHT-GLOBAL
Organization	Chunghwa Telecom Global, INC (ctg-41)
Country	US
Website	chtglobal.com
Number of IPv4 Routes	22
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2005-03-03

ASN Intelligence API for production workflows

Use ASN data for AS33717 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.70.200.0/24	AS33717	Chunghwa Telecom Global, INC	John Shieh	256
66.171.124.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
66.171.118.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
64.95.220.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global Inc	256
66.171.119.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
66.171.126.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
65.206.76.0/24	AS33717	Chunghwa Telecom Global, INC	Verizon Business	256
66.171.115.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
220.128.51.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Int l Business Group	256
66.171.121.0/24	AS33717	Chunghwa Telecom Global, INC	Edward Chien	256
66.171.125.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
66.171.120.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
204.96.96.0/24	AS33717	Chunghwa Telecom Global, INC	CHUNGHWA TELECOM GLOBAL INC.	256
65.202.140.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global/ Chunghwa Telecom Global, Inc.	256
66.171.123.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
208.70.201.0/24	AS33717	Chunghwa Telecom Global, INC	Integrated Silicon Solution, Inc.	256
66.171.122.0/24	AS33717	Chunghwa Telecom Global, INC	OmniVision	256
66.171.127.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
66.150.3.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
208.70.205.0/24	AS33717	Chunghwa Telecom Global, INC	NWE Technology	256
64.41.218.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256
66.171.114.0/24	AS33717	Chunghwa Telecom Global, INC	Chunghwa Telecom Global, INC	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33717
ASName:         CHT-GLOBAL
ASHandle:       AS33717
RegDate:        2005-03-03
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/33717


OrgName:        Chunghwa Telecom Global, INC
OrgId:          CTG-41
Address:        2107 N. First Street, suite 580
City:           San Jose
StateProv:      CA
PostalCode:     95131
Country:        US
RegDate:        2005-02-24
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CTG-41


OrgAbuseHandle: ABUSE841-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-408-988-1898 
OrgAbuseEmail:  abuse@chtglobal.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE841-ARIN

OrgTechHandle: IPTEC6-ARIN
OrgTechName:   IPTech
OrgTechPhone:  +1-408-988-1898 
OrgTechEmail:  IPTech@chtglobal.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPTEC6-ARIN

OrgAbuseHandle: IPADM216-ARIN
OrgAbuseName:   IPAdmin
OrgAbusePhone:  +1-408-988-1898 
OrgAbuseEmail:  IPAdmin@chtglobal.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPADM216-ARIN

OrgTechHandle: IPADM216-ARIN
OrgTechName:   IPAdmin
OrgTechPhone:  +1-408-988-1898 
OrgTechEmail:  IPAdmin@chtglobal.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM216-ARIN

RAbuseHandle: ABUSE841-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-408-988-1898 
RAbuseEmail:  abuse@chtglobal.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE841-ARIN

RNOCHandle: NMC18-ARIN
RNOCName:   NETWORK MANAGE CENTER
RNOCPhone:  +1-408-988-1898 
RNOCEmail:  noc@chtglobal.com
RNOCRef:    https://rdap.arin.net/registry/entity/NMC18-ARIN

RTechHandle: IPTEC6-ARIN
RTechName:   IPTech
RTechPhone:  +1-408-988-1898 
RTechEmail:  IPTech@chtglobal.com
RTechRef:    https://rdap.arin.net/registry/entity/IPTEC6-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "33717",
    "as_handle" : "AS33717",
    "as_name" : "CHT-GLOBAL",
    "tech_contacts" : [ "IPTEC6-ARIN", "IPADM216-ARIN", "IPTEC6-ARIN" ],
    "abuse_contacts" : [ "ABUSE841-ARIN", "IPADM216-ARIN", "ABUSE841-ARIN" ],
    "date_created" : "2005-03-03",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/33717"
  } ],
  "organization" : {
    "handle" : "CTG-41",
    "name" : "Chunghwa Telecom Global, INC",
    "address" : [ "2107 N. First Street, suite 580", "San Jose", "CA", "95131", "US" ],
    "street" : "N. First Street",
    "city" : "San Jose",
    "state" : "CA",
    "zip_code" : "95131",
    "country" : [ "US" ],
    "date_created" : "2005-02-24",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/CTG-41",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "IPTEC6-ARIN",
    "name" : "IPTech",
    "email" : [ "IPTech@chtglobal.com" ],
    "phone" : [ "+1-408-988-1898" ],
    "source" : "https://rdap.arin.net/registry/entity/IPTEC6-ARIN"
  }, {
    "handle" : "IPADM216-ARIN",
    "name" : "IPAdmin",
    "email" : [ "IPAdmin@chtglobal.com" ],
    "phone" : [ "+1-408-988-1898" ],
    "source" : "https://rdap.arin.net/registry/entity/IPADM216-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE841-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@chtglobal.com" ],
    "phone" : [ "+1-408-988-1898" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE841-ARIN"
  }, {
    "handle" : "IPADM216-ARIN",
    "name" : "IPAdmin",
    "email" : [ "IPAdmin@chtglobal.com" ],
    "phone" : [ "+1-408-988-1898" ],
    "source" : "https://rdap.arin.net/registry/entity/IPADM216-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13791	Unitas Global	US
AS3561	CenturyLink Communications, LLC	US
AS1239	Cogent Communications, LLC	US
AS9505	Chunghwa Telecom Co., Ltd.	TW
AS1299	Arelion Sweden AB	SE
AS701	Verizon Business/UUnet	US
AS174	Cogent Communications, LLC	US
AS9505	Taiwan Internet Gateway	TW
AS701	Verizon Business	US
AS12179	Unitas Global	US
AS9680	HiNet Service Center in U.S.A	TW

Upstreams

AS Number	Description	Country
AS13791	Unitas Global	US
AS3561	CenturyLink Communications, LLC	US
AS9505	Chunghwa Telecom Co., Ltd.	TW
AS1299	Arelion Sweden AB	SE
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US
AS12179	Unitas Global	US

Downstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE

Contacts

Email Contacts

IPAdmin@chtglobal.com IPTech@chtglobal.com

Abuse Contacts

abuse@chtglobal.com