AS187 DNScast 🇺🇸 US
Announcing 34 prefixes, seen at the RIS collectors.
IPv4 prefixes
17
4,608 (18 × /24)
IPv6 prefixes
17
17 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS187
- Name
- DNScast
- Organisation
- DNScast
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-07-22
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
17 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:dd8:7::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d00::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d01::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d02::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d03::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d04::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d05::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d06::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d07::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d08::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d09::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0a::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0b::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0c::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0d::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0e::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |
| 2620:171:d0f::/48 v6 | RPKI valid | 37 | 42187 | 2026-09-18 |