Data as of Nov 7, 2026
91.220.42.0/24
2 residential-proxy exits · 30 daysMimecast Services Limited
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
1
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- BottingTools
Network & registry
Origin network
AS42427
GB
- Name
- Mimecast Services Limited
- Type
- Business
- Registered
- May 5, 2017
- Domain
- mimecast.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2010
- Current origin since
- Apr 2018 · 8.6 yr
- Origin networks
- 2
- Last change of origin
- Apr 2018
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 91.220.42.0/24 | AS42427 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 91.
220. 42. 0/ 24 - Netname
- MIMECAST-NET2
- Registrant
- Mimecast Services Limited
- Registrant country
- GB
- Organization
- Mimecast Services Limited (ORG-MSL21-RIPE)
- Org country
- GB
- Type
- ASSIGNED PI
- Created
- Oct 19, 2010
- Updated
- Apr 1, 2019
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Oct 19, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
mimecast. com - Name
- Mimecast - CoreGrid
- Handle
- CGRD-RIPE