AS Name
MIMECAST-UK
Org Name
Mimecast Services Limited
Registry Region
United Kingdom
Looking Glass
IPv4Prefixes

17

IPv6Prefixes

2

IPv4 NUMs

4,352

IPv6 NUMs(/64)

131,072

4,352 IPv4 Addresses
CIDR Description IP Num
41.74.203.0/24 MIMECAST-ANYCAST Mimecast 256
91.220.42.0/24 Mimecast Services Limited 256
146.101.77.0/24 PSINET-EUROPE-HOSTING 256
146.101.78.0/24 PSINET-EUROPE-HOSTING 256
170.10.142.0/24 Mimecast North America Inc 256
185.58.84.0/24 Mimecast Services Limited 256
185.58.85.0/24 Mimecast Services Limited 256
185.58.86.0/24 Mimecast Services Limited 256
185.58.87.0/24 Mimecast Services Limited 256
193.7.204.0/24 Mimecast Services Limited 256
193.7.205.0/24 Mimecast Services Limited 256
195.130.217.0/24 Mimecast Services Limited 256
207.82.80.0/24 MIMECAST SERVICES LTD 256
216.35.243.0/24 MIMECAST SERVICES LTD 256
216.35.244.0/24 MIMECAST SERVICES LTD 256
216.145.218.0/24 Mimecast North America Inc 256
216.145.222.0/24 Mimecast North America Inc 256
CIDR Description IP NUMs(prefix /64)
2a02:5be0::/48 Mimecast Services Limited 65536
2a02:5be0:1::/48 Mimecast Services Limited 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 526,080 17,180,065,792 IPv4 IPv4
AS10026 TELSTRAGLOBAL - Telstra International Limited, JP Japan 65,536 0 IPv4 IPv4
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 20,828,672 1,117,765,894,144 IPv4 IPv4
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 6,968,064 21,743,796,736 IPv4 IPv4 IPv6 IPv6
AS3910 CENTURYLINK-EUROPE-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 16,791,040 12,884,901,888 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
41.74.203.30 15 botnets.cat-test.mimecast.xyz
as-block:       AS42383 - AS45055
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS42427
as-name:        MIMECAST-UK
org:            ORG-MSL21-RIPE
import:         from AS2914 accept ANY
export:         to AS2914 announce AS42427
import:         from AS1290 accept ANY
export:         to AS1290 announce AS42427
import:         from AS3910 accept ANY
export:         to AS3910 announce AS42427
admin-c:        CGRD-RIPE
tech-c:         CGRD-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MCSL-RIPE-MNT
created:        2017-05-05T13:56:06Z
last-modified:  2019-07-08T07:23:24Z
source:         RIPE

organisation:   ORG-MSL21-RIPE
org-name:       Mimecast Services Limited
org-type:       LIR
address:        6th Floor, Citypoint, 1 Ropemaker Street,
address:        EC2Y 9AW
address:        London
address:        UNITED KINGDOM
phone:          +442078478700
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MCSL-RIPE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MCSL-RIPE-MNT
abuse-c:        CGRD-RIPE
created:        2014-05-05T13:57:11Z
last-modified:  2019-05-08T10:56:56Z
source:         RIPE # Filtered
admin-c:        CGRD-RIPE

role:           Mimecast - CoreGrid
address:        Citypoint
address:        1 Ropemaker Street
address:        Moorgate
address:        London
address:        EC2Y 9AW
address:        United Kingdom
phone:          +44 (0)207 847 8700
admin-c:        MCNO2003-RIPE
tech-c:         MCNO2003-RIPE
remarks:        ---------------------------------
abuse-mailbox:  [email protected]
remarks:        ---------------------------------
nic-hdl:        CGRD-RIPE
mnt-by:         MCSL-RIPE-MNT
created:        2014-05-20T16:18:44Z
last-modified:  2019-03-28T11:07:40Z
source:         RIPE # Filtered