View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	61.65.192.0/20	Great Taipei Broadband Co.,Ltd
	61.67.0.0/20	Great Taipei Broadband Co.,Ltd
	61.67.0.0/22	Great Taipei Broadband Co.,Ltd
	61.67.4.0/24	Great Taipei Broadband Co.,Ltd
	61.67.4.0/22	Great Taipei Broadband Co.,Ltd
	61.67.8.0/22	Great Taipei Broadband Co.,Ltd
	61.67.9.0/24	Great Taipei Broadband Co.,Ltd
	61.67.12.0/22	Great Taipei Broadband Co.,Ltd

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy magical_bhabha Policy loving_borg Policy romantic_thompson Policy friendly_morse

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS9919	New Century InfoComm Tech Co., Ltd.	✔	✘
	AS18046	DongFong Technology Co. Ltd.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS9919	New Century InfoComm Tech Co., Ltd.	✔	✘
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS18046	DongFong Technology Co. Ltd.	✔	✘

aut-num:        AS18413
as-name:        GBTC-TW
descr:          Great Taipei Broadband Company Ltd.
descr:          Internet Service Provider
descr:          8F, 33, Lane 11, Kwang Fu N. Rd.,Taipei,Taiwan 105,R.O.C.
country:        TW
import:         from AS4780 action pref=200; accept ANY
import:         from AS4747 action pref=100; accept AS413
import:         from AS4747 action pref=300; accept ANY
import:         from AS9416 action pref=400; accept ANY
export:         to AS4780 announce as18413
export:         to AS4747 announce as18413
export:         to AS9416 announce as18413
default:        to AS4780 action pref=100;networks ANY
admin-c:        TK223-AP
admin-c:        TK223-AP
tech-c:         TK223-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-GTBC-TW
last-modified:  2025-11-06T09:25:34Z
source:         APNIC

Last Update: 2025-12-25T03:22:12Z UTC

---

Member of the following AS-SETs

-	Member
RADB	as-anc-customer-proxy-register
RADB	as-9416-transit
RADB	as-gtbc-tw
RADB	as-above-as-ap
RADB	as-dft-transit
RADB	as3491:as-customers-test
RADB	as-ttn
RADB	as-iij
RADB	as-kddcustomer2
RADB	as-chief-transit
RIPE	as-retn-actual-v4
RADB	as18046:as-cone
RADB	as-ebix-transit
RADB	as-sparq
RADB	as-seednet
LEVEL3	as-level3-origins-na
RADB	as-hinet
JPIRR	as-iij
RADB	as3491:as-customers-ap
NTTCOM	as-ttn
RADB	as-hgc-intl
RADB	as-twig
NTTCOM	as-gtbc-tw