Mimecast Australia Pty Ltd

BGP inherited
Cluster stats
Netblocks17 · 3,318 IPv4 addresses
Registered in Australia (9) · United States (2) · South Africa (1)
Cluster ID213401344
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
17 0 netblocks since 2026-07-05
2026-07-05 peak 17 2026-07-26

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
41.74.203.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
45.127.172.125/32 Mimecast Australia Pty Ltd PEERINGDB ASSIGNED ● high
45.127.172.126/32 Mimecast Australia Pty Ltd PEERINGDB ASSIGNED ● high
103.13.69.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
103.96.20.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
103.96.21.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
103.96.22.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
103.96.23.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
170.10.134.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
170.10.135.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
180.189.28.0/24 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
2001:de8:6::13:6792:1/128 Mimecast Australia Pty Ltd PEERINGDB ASSIGNED ● high
2001:de8:6::13:6792:2/128 Mimecast Australia Pty Ltd PEERINGDB ASSIGNED ● high
2401:73c0::/48 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
2401:73c0:1::/48 Mimecast Australia Pty Ltd BGP ANNOUNCED ● high
103.96.20.0/22 Mimecast Australia Pty Ltd APNIC ALLOCATED PORTABLE ● low
2401:73c0::/32 Mimecast Australia Pty Ltd APNIC ALLOCATED PORTABLE ● low

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: B how networks compare →
88.2% of checked blocks have valid RPKI ROA coverage (15 of 17)
No discrepancies found among checked blocks.

NIC Handles

AM2667-AP APNIC-HM AS136792 AS136792 MAINT-MIMECAST-AU MAPL16-AP MAPL16-AP MIMECAST-MNT MN831-AP MN831-AP ORG-MAPL3-AP