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	Prefix	Description
	139.223.0.0/16	TISNet Technology Inc
	139.223.2.0/24	TISNet Technology Inc
	139.223.11.0/24	TISNet Technology Inc
	139.223.12.0/24	TISNet Technology Inc
	139.223.131.0/24	TISNet Technology Inc
	139.223.200.0/24	TISNet Technology Inc
	139.223.201.0/24	TISNet Technology Inc

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4780	Digital United Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4780	Digital United Inc.	✔	✘
	AS7481	TWIX Route Servers	✔	✘

aut-num:        AS7535
as-name:        TISNET
descr:          TISNET Technology Inc.
descr:          22, Sec. 3, Chungshan N. Rd.,
descr:          Taipei, Taiwan
country:        TW
import:         from AS4778 action pref=100; accept ANY
import:         from AS7532 action pref=200; accept ANY
export:         to AS4778 announce ANY
export:         to AS7532 announce ANY
default:        to AS4778 action pref=10; networks ANY
admin-c:        FT24-AP
tech-c:         FT24-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TISNET-TW
last-modified:  2025-11-06T09:06:29Z
source:         APNIC

Last Update: 2026-03-13T03:22:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hinet	391
RADB	as-btn-customers	1495
RIPE	as-retn-actual-v4	12735
RADB	as-twig	2018
RADB	as-kddcustomer2	8206
RADB	as-seednet	280