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	Prefix	Description
	2404:f4c0:f000::/44	TWD2 Education and Research Network
	2a0c:b641:571::/48	TWD2 Education and Research Network (JP)
	2a0e:aa06:490::/48	Tsinghua Advanced Networking Labs (Group 0)
	2a0e:aa06:490::/44	TWD2 Education and Research Network (Soha)
	2a0e:aa06:491::/48	Tsinghua Advanced Networking Labs (Group 1)
	2a0e:aa06:492::/48	Tsinghua Advanced Networking Labs (Group 2)
	2a0e:aa06:493::/48	Tsinghua Advanced Networking Labs (Group 3)
	2a0e:aa06:494::/48	Tsinghua Advanced Networking Labs (Group 4)
	2a0e:aa06:495::/48	Tsinghua Advanced Networking Labs (Group 5)
	2a0e:aa06:496::/48	Tsinghua Advanced Networking Labs (Group 6)
	2a0e:aa06:497::/48	Tsinghua Advanced Networking Labs (Group 7)
	2a0e:aa06:49e::/48	Dusty TWD2 Education and Research Network

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4842	Tianhai InfoTech	✘	✔
	AS209300	Wende Tan	✘	✔
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS4842	Tianhai InfoTech	✘	✔
	AS209300	Wende Tan	✘	✔
	AS38255	China Education and Research Network (CERNET)	✘	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS45576	Tsinghua University	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS38255	China Education and Research Network (CERNET)	✘	✔
	AS45576	Tsinghua University	✘	✔

aut-num:        AS24239
as-name:        TWD2-NET-AS-AP
descr:          TWD2 Education and Research Network
country:        CN
org:            ORG-TEAR2-AP
sponsoring-org: ORG-TI19-AP
admin-c:        TNN4-AP
tech-c:         TNN4-AP
abuse-c:        AT954-AP
mnt-routes:     MAINT-TWD2
mnt-by:         APNIC-HM
mnt-irt:        IRT-TWD2
last-modified:  2023-09-05T03:53:48Z
source:         APNIC


organisation:   ORG-TEAR2-AP
org-name:       TWD2 Education and Research Network
org-type:       OTHER
address:        ********
country:        CN
phone:          ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
admin-c:        TNN4-AP
tech-c:         TNN4-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T03:53:47Z
source:         APNIC

Last Update: 2026-06-15T03:22:35Z UTC

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Member of the following AS-SETs

-	Member
NTTCOM	as-vnpt
RADB	as7473:as-customers:as7700
APNIC	as-th-ix-as9931
APNIC	as-7552
RADB	as20473:as-vultr
NTTCOM	as-7552
NTTCOM	as45896:as-pps
RADB	as-kornetbgp
RADB	as-hurricanev6
APNIC	as-ln
APNIC	as-7643
RIPE	as212683:as-olilo
APNIC	as-twd2-net
NTTCOM	as-vdc
RIPE	as209300:as-customers
APNIC	as4842:as-downstreams
NTTCOM	as7643:as-customers
RADB	as-th-ix-as9931
ARIN	as-xo-b
RADB	as-thix
RADB	as-vodafone-net-in
RADB	as3491:as-customers-ap