AS21787 CERIDIAN 🇺🇸 US
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
3,584 (14 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
- AS21787
- Name
- CERIDIAN
- Organisation
- CERIDIAN
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-06-20
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 170.153.4.0/24 v4 | no ROA | 48 | 345491333521787 | 2026-11-07 |
| 170.153.96.0/22 v4 | no ROA | 41 | 34549646121787 | 2026-09-18 |
| 170.153.97.0/24 v4 | no ROA | 41 | 3454917421787 | 2026-09-18 |
| 170.153.98.0/24 v4 | no ROA | 42 | 34549646121787 | 2026-09-18 |
| 170.153.140.0/22 v4 | no ROA | 42 | 34549646121787 | 2026-09-18 |
| 170.153.141.0/24 v4 | no ROA | 41 | 3454917421787 | 2026-09-18 |
| 170.153.142.0/24 v4 | no ROA | 42 | 34549646121787 | 2026-09-18 |
| 170.153.144.0/24 v4 | no ROA | 47 | 345491333521787 | 2026-09-18 |