AS208638 - mimecast-it-corp - Mimecast Services Limited, GB

United States United Kingdom
AS Number
AS208638
AS Name
mimecast-it-corp
Org Name
Mimecast Services Limited
Country
United Kingdom
Registry

ripe

RegDate

Updated

2026-02-12T14:40:05Z

AS208638 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

512 IPv4 Addresses
CIDR Description IP Num
45.91.16.0/24
ROA Signed and Valid IRR Valid
Mimecast Services Limited 256
45.91.17.0/24
ROA Signed and Valid IRR Valid
mimecast-it-london 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,064 25,770,590,208 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,931,904 221,394,501,632 IPv4 IPv4
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 215,028,858,880 IPv4 IPv4 
as-block:       AS208189 - AS214345
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:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE



aut-num:        AS208638
as-name:        mimecast-it-corp
org:            ORG-MSL44-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS208638
import:         from AS49425 accept ANY
export:         to AS49425 announce AS208638
export:         to AS7545 announce AS208638
import:         from AS7545 accept ANY
import:         from AS36086 accept ANY
export:         to AS36086 announce AS208638
import:         from AS8220 accept ANY
export:         to AS8220 announce AS208638
import:         from AS327782 accept ANY
export:         to AS327782 announce AS208638
import:         from AS328317 accept ANY
export:         to AS328317 announce AS208638
import:         from AS1221 accept ANY
export:         to AS1221 announce AS208638
admin-c:        SM36014-RIPE
tech-c:         SM36014-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-uk-mimecast-it-1
created:        2019-07-01T09:11:07Z
last-modified:  2024-02-02T00:06:47Z
source:         RIPE

organisation:   ORG-MSL44-RIPE
org-name:       Mimecast Services Limited
country:        GB
org-type:       LIR
address:        1 Finsbury Avenue
address:        EC2M 2PF
address:        London
address:        UNITED KINGDOM
phone:          +442078478700
e-mail:         info@mimecast.com
admin-c:        SM36014-RIPE
tech-c:         SM36014-RIPE
abuse-c:        AR53361-RIPE
mnt-ref:        mnt-uk-mimecast-it-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-uk-mimecast-it-1
created:        2019-06-20T11:35:57Z
last-modified:  2021-05-20T17:27:19Z
source:         RIPE

person:         Stephen Mandolare
address:        191 Spring Street Lexington MA 02421 United States
phone:          +16173937000
nic-hdl:        SM36014-RIPE
mnt-by:         mnt-uk-mimecast-it-1
created:        2019-08-02T18:40:24Z
last-modified:  2024-01-31T00:21:03Z
source:         RIPE
e-mail:         smandolare@mimecast.com