206208 looking glass

AS136792 Mimecast Australia Pty Ltd 🇦🇺 AU

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes
12
3,072 (12 × /24)
IPv6 prefixes
2
2 × /48
Upstreams
3
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS136792
Name
Mimecast Australia Pty Ltd
Organisation
Mimecast Australia Pty Ltd
Country
🇦🇺 AU
RIR
APNIC
Allocated
2017-06-30
Network type
Content
Scope
Not Disclosed
Peering policy
Open
Website
https://www.mimecast.com/
PeeringDB
net/23931
Exchanges
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

13 valid (92.9%) 0 invalid (0.0%) 1 no ROA (7.1%)

Announcement history

One point per day, recorded at each table import

03691209-1809-2510-0210-0910-1610-2310-29
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-26 02:40:15Z origin change 170.10.142.0/24 AS136792 → AS42427 328840327727174335642427
2026-10-26 02:40:15Z origin change 216.145.218.0/24 AS136792 → AS42427 328840327727174335642427
2026-10-26 02:40:15Z origin change 216.145.222.0/24 AS136792 → AS42427 328840327727174335642427
2026-10-25 17:00:25Z origin change 216.145.218.0/24 AS39588 → AS136792 46082411515830136792
2026-10-25 17:00:25Z origin change 216.145.222.0/24 AS39588 → AS136792 46082411515830136792
2026-10-25 17:00:18Z origin change 216.145.218.0/24 AS136792 → AS39588 24482646139588
2026-10-25 17:00:18Z origin change 216.145.222.0/24 AS136792 → AS39588 24482646139588
2026-10-25 15:00:12Z origin change 216.145.222.0/24 AS39588 → AS136792 24482136792
2026-10-25 15:00:12Z origin change 216.145.218.0/24 AS39588 → AS136792 24482136792
2026-10-25 15:00:12Z origin change 170.10.142.0/24 AS39588 → AS136792 24482136792
2026-10-24 13:21:58Z origin change 170.10.142.0/24 AS136792 → AS42427 17639646142427
2026-10-24 13:09:23Z origin change 41.74.203.0/24 AS136792 → AS42427 17639335642427
2026-10-23 20:06:54Z origin change 170.10.142.0/24 AS30031 → AS136792 2448215830136792
2026-10-23 20:05:09Z origin change 41.74.203.0/24 AS30031 → AS136792 24482136792
2026-10-21 17:22:35Z origin change 170.10.142.0/24 AS136792 → AS30031 49134533566424646130031
2026-10-21 17:22:35Z origin change 216.145.222.0/24 AS136792 → AS30031 49134533566424646130031
2026-10-21 17:22:35Z origin change 216.145.218.0/24 AS136792 → AS30031 49134533566424646130031
2026-10-21 17:22:35Z origin change 41.74.203.0/24 AS136792 → AS30031 49134533566424646130031
2026-10-21 16:54:30Z origin change 216.145.218.0/24 AS30031 → AS136792 443936407315830136792
2026-10-21 16:54:30Z origin change 170.10.142.0/24 AS30031 → AS136792 443936407315830136792
2026-10-21 16:54:30Z origin change 41.74.203.0/24 AS30031 → AS136792 4439364073136792
2026-10-21 16:54:29Z origin change 216.145.222.0/24 AS30031 → AS136792 443936407315830136792