FITI-AS-AP
AS38255
· China Education and Research Network (CERNET) FIT 3-220, Tsinghua University
· CN
· APNIC
4
Upstream providers
4099
Downstream customers
2k
v4 addresses
1
v6 /32s
Provider History
Active
Possible trial (<90d)
Historical
| Provider | First Seen | Last Seen | Peers | Confidence | AF |
|---|---|---|---|---|---|
|
AS6939
AS6939
|
2026-06-05
10d
|
2026-06-09 |
|
v4 v6 |
Network Size
IPv4 and IPv6 prefixes originated over time
2
v4 prefixes
2k
v4 addresses
3
v6 prefixes
1
v6 /32s
Downstream Customers Over Time
Count of distinct downstream customers per snapshot date
Peering Links Over Time
Count of unclassified adjacencies per snapshot date
2025-07-08
Lost Transit
Confidence: 85%
Duration: 309d
2025-07-08
Lost Transit
Confidence: 85%
Duration: 309d
2025-04-02
Lost Transit
Confidence: 85%
Duration: 212d
2025-04-02
Lost Transit
Confidence: 85%
Duration: 212d
Renewal Calendar
Active providers first seen 11–13 months ago — possible annual contract renewals
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