TWD2-NET-AS-AP

AS24239 · TWD2 Education and Research Network · CN · APNIC
3
Upstream providers
2
Downstream customers
0
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
TWD2-NET
AS209300
2024-09-01
1y 8mo
2026-05-14
162 peers
AS209 AS260 AS701 AS3257 AS3320 AS3491 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS7594 AS7768 AS8582 AS12956 AS16276 AS17350 AS19529 AS27986 AS30844 AS32590 AS34549 AS37468 AS38008 AS46997 AS47147 AS48112 AS49544 AS52468 AS52873 AS64475 AS199524 AS212271 AS216285 AS262462 AS263009 AS271253 AS328840 AS398465
v4 v6
AS6939
AS6939
2024-09-01
1y 8mo
2026-05-14
20 peers
AS209 AS553 AS1299 AS13781 AS17350 AS33874 AS34428 AS41073 AS47147 AS49028 AS50628 AS61573 AS199524 AS209718 AS265721
v4 v6
TH-AS-AP
AS4842
2024-09-01
1y 8mo
2026-05-14
18 peers
AS209718
v4 v6

Customers (2)

Customer Country First Seen Last Seen IPs Peers Confidence AF
FITI-AS-AP
AS38255
CN 2024-09-01
1y 8mo
2026-05-14
20 peers
AS209 AS553 AS1299 AS13781 AS17350 AS33874 AS34428 AS41073 AS47147 AS49028 AS50628 AS61573 AS199524 AS209718 AS265721
v4 v6
CERNET2-TSINGHUA6-AS-AP
AS45576
CN 2024-09-01
1y 8mo
2026-05-14
4 peers
AS209
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

0
v4 prefixes
0
v4 addresses
12
v6 prefixes
<0.1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2025-07-08
Lost Transit
FITI-AS-AP AS38255 → lost provider TWD2-NET-AS-AP AS24239
Confidence: 85% Duration: 309d
2025-07-08
Lost Transit
TWD2-NET-AS-AP AS24239 → lost provider AS6939 AS6939
Confidence: 85% Duration: 309d
2025-04-17
Lost Transit
TWD2-NET-AS-AP AS24239 → lost provider TH-AS-AP AS4842
Confidence: 85% Duration: 227d
2025-04-10
Lost Transit
CERNET2-TSINGHUA6-AS-AP AS45576 → lost provider TWD2-NET-AS-AP AS24239
Confidence: 85% Duration: 220d

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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