AS9425 — FITI-AS-BKB2 Future Internet Technology Infrastructure FITI

Network type: education

AS9425 announces 0 IPv4 prefixes covering 0 addresses and 23 IPv6 prefixes.

About this network

AS9425 (FITI-AS-BKB2) is held by Future Internet Technology Infrastructure (FITI), the Chinese national next-generation internet research facility built around CERNET and led by Tsinghua University. FITI is a state science-and-technology infrastructure project: an IPv6-based experimental backbone whose core nodes sit in universities across China.

What it's used for

This is a research backbone, and the routing evidence says so unusually clearly. In the RIS view the AS originates no IPv4 prefixes at all — zero routes, zero IPv4 addresses — and only 2 IPv6 prefixes, 2401:34a0::/32 and 2401:34a1::/32. An operational commercial network of any kind would carry IPv4; a network that has deliberately never had any is making a statement, and FITI's stated design is native IPv6 from the ground up. Against that near-empty prefix list the AS is observed with around 41 BGP neighbours, far more peers than routes. That combination — a wide peering fabric carrying a couple of large IPv6 blocks — is what an experimental backbone interconnecting research institutions looks like: the value is in the paths and the testbed, not in the address inventory. The BKB2 in the handle reads as a backbone element of the facility.

Notable

• The AS announces IPv6 only. Two /32s is an enormous amount of IPv6 address space and effectively unlimited for a testbed.
• FITI is associated with CERNET and Tsinghua University and has been publicly described as a high-speed next-generation (IPv6) backbone linking core nodes at universities across China.
• More neighbours (41) than announced prefixes (2) is the inverse of a normal network and is characteristic of research/interconnection infrastructure.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2401:34a0::/31
• 2401:34a1:10a::/47
• 2401:34a1:10c::/46
• 2401:34a1:11a::/47
• 2401:34a1:11c::/46
• 2401:34a1:12a::/47
• 2401:34a1:12c::/46
• 2401:34a1:13a::/47
• 2401:34a1:13c::/46
• 2401:34a1:141::/48
• 2401:34a1:142::/47
• 2401:34a1:144::/46
• 2401:34a1:148::/45
• 2401:34a1:150::/44
• 2401:34a1:160::/43
• 2401:34a1:180::/41
• 2401:34a1:200::/39
• 2401:34a1:400::/38
• 2401:34a1:800::/37
• 2401:34a1:1000::/36
• 2401:34a1:2000::/35
• 2401:34a1:4000::/34
• 2401:34a1:8000::/33

Upstream networks

• AS38255 China Education and Research Network (CERNET)

Downstream networks

• AS151462 Future Internet Technology Infrastructure (FITI)
• AS151456 Future Internet Technology Infrastructure (FITI)
• AS151458 Future Internet Technology Infrastructure (FITI)
• AS151459 Future Internet Technology Infrastructure (FITI)
• AS151460 Future Internet Technology Infrastructure (FITI)
• AS151461 Future Internet Technology Infrastructure (FITI)
• AS151423 Future Internet Technology Infrastructure (FITI)
• AS151425 Future Internet Technology Infrastructure (FITI)
• AS151426 Future Internet Technology Infrastructure (FITI)
• AS151427 Future Internet Technology Infrastructure (FITI)
• AS151428 Future Internet Technology Infrastructure (FITI)
• AS151429 Future Internet Technology Infrastructure (FITI)
• AS151430 Future Internet Technology Infrastructure (FITI)
• AS151432 Future Internet Technology Infrastructure (FITI)
• AS151433 Future Internet Technology Infrastructure (FITI)
• AS151434 Future Internet Technology Infrastructure (FITI)
• AS151435 Future Internet Technology Infrastructure (FITI)
• AS151437 Future Internet Technology Infrastructure (FITI)
• AS151438 Future Internet Technology Infrastructure (FITI)
• AS151440 Future Internet Technology Infrastructure (FITI)
• AS151441 Future Internet Technology Infrastructure (FITI)
• AS151442 Future Internet Technology Infrastructure (FITI)
• AS151443 Future Internet Technology Infrastructure (FITI)
• AS151444 Future Internet Technology Infrastructure (FITI)
• AS151445 Future Internet Technology Infrastructure (FITI)

Adjacent networks

• AS38255 China Education and Research Network (CERNET)
• AS151425 Future Internet Technology Infrastructure (FITI)
• AS151426 Future Internet Technology Infrastructure (FITI)
• AS151427 Future Internet Technology Infrastructure (FITI)
• AS151428 Future Internet Technology Infrastructure (FITI)
• AS151429 Future Internet Technology Infrastructure (FITI)
• AS151430 Future Internet Technology Infrastructure (FITI)
• AS151458 Future Internet Technology Infrastructure (FITI)
• AS151456 Future Internet Technology Infrastructure (FITI)
• AS151423 Future Internet Technology Infrastructure (FITI)
• AS151459 Future Internet Technology Infrastructure (FITI)
• AS151460 Future Internet Technology Infrastructure (FITI)
• AS151461 Future Internet Technology Infrastructure (FITI)
• AS151462 Future Internet Technology Infrastructure (FITI)
• AS151432 Future Internet Technology Infrastructure (FITI)
• AS151433 Future Internet Technology Infrastructure (FITI)
• AS151434 Future Internet Technology Infrastructure (FITI)
• AS151435 Future Internet Technology Infrastructure (FITI)
• AS151437 Future Internet Technology Infrastructure (FITI)
• AS151438 Future Internet Technology Infrastructure (FITI)
• AS151440 Future Internet Technology Infrastructure (FITI)
• AS151441 Future Internet Technology Infrastructure (FITI)
• AS151442 Future Internet Technology Infrastructure (FITI)
• AS151443 Future Internet Technology Infrastructure (FITI)
• AS151444 Future Internet Technology Infrastructure (FITI)

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 40 route objects.
• Listed in as-sets: AS-BAYANTEL, AS-BTN-CUSTOMERS, AS-DIGITEL, AS-HKTCUSTOMER, AS-HURRICANEV6, AS-KDD, AS-KDDI6, AS-PLDT, AS-SKYINTERNET, AS-TRANSIT-ETPI, AS293:AS-FROM-SINGAREN-TO-ESNET, AS38255:AS-FITI.