AS208638 Mimecast Services Limited 🇬🇧 GB
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
- AS208638
- Name
- Mimecast Services Limited
- Organisation
- Mimecast Services Limited
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2019-07-01
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 45.91.16.0/24 v4 | RPKI valid | 42 | 34549174208638 | 2026-09-18 |
| 45.91.17.0/24 v4 | RPKI valid | 42 | 380018220208638 | 2026-09-24 |