AS394353 USC/ISI - B-root 🇺🇸 US
B.Root-Server-OPS. Announcing 21 prefixes, seen at the RIS collectors.
IPv4 prefixes
7
2,304 (9 × /24)
IPv6 prefixes
14
44 × /48
Upstreams
6
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS394353
- Name
- USC/ISI - B-root
- Organisation
- USC/ISI B-ROOT
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2015-08-18
- Network type
- Non-Profit
- Scope
- Global
- Peering policy
- Restrictive
- IRR as-set
- AS-BROOT
- Website
- https://b.root-servers.org
- PeeringDB
- net/19692
- Exchanges
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
7 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 170.247.170.0/23 v4 | RPKI valid | 41 | 345491299394353 | 2026-09-18 |
| 170.247.170.0/24 v4 | RPKI valid | 41 | 345491299394353 | 2026-09-18 |
| 170.247.171.0/24 v4 | RPKI valid | 42 | 345491299394353 | 2026-09-18 |
| 192.228.79.0/24 v4 | RPKI valid | 42 | 345491299394353 | 2026-09-18 |
| 199.9.14.0/23 v4 | RPKI valid | 41 | 345491299394353 | 2026-09-18 |
| 199.9.14.0/24 v4 | RPKI valid | 42 | 345491299394353 | 2026-09-18 |
| 199.9.15.0/24 v4 | RPKI valid | 42 | 345491299394353 | 2026-09-18 |