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AS42427

MIMECAST-UK

Mimecast Services Limited

Registry

Authoritative registration data

AS number
42427
Name
MIMECAST-UK
Organisation
Mimecast Services Limited
Country
RIR
RIPE
Registered
Source:asn:rdap retrieved

IPv4 prefixes

15

IPv6 prefixes

2

Total announced

17

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS42427
170.10.142.0/24 IPv4 /24 RPKI valid
185.58.84.0/24 IPv4 /24 not checked
185.58.85.0/24 IPv4 /24 not checked
185.58.86.0/24 IPv4 /24 not checked
185.58.87.0/24 IPv4 /24 not checked
193.7.204.0/24 IPv4 /24 not checked
193.7.205.0/24 IPv4 /24 not checked
195.130.217.0/24 IPv4 /24 not checked
207.82.80.0/24 IPv4 /24 not checked
216.145.218.0/24 IPv4 /24 not checked
216.145.222.0/24 IPv4 /24 not checked
216.35.243.0/24 IPv4 /24 not checked
216.35.244.0/24 IPv4 /24 not checked
41.74.203.0/24 IPv4 /24 RPKI not found
91.220.42.0/24 IPv4 /24 not checked
2a02:5be0:1::/48 IPv6 /48 not checked
2a02:5be0::/48 IPv6 /48 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

No Internet Exchange memberships found

The exchange directory has no current membership records for this AS.

Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS42427 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

3 networks seen before AS42427 in AS paths

Observed upstreams
Families
AS6461 ZAYO-6461 247 2,646
v4 v6
AS3356 LEVEL3 296 1,652
v4 v6
AS2914 NTT-DATA-2914 83 485
v4 v6

No rows match “”.

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Observed downstreams

0 networks seen after AS42427 in AS paths

No downstreams observed

This AS was not seen carrying traffic towards another network.

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.