42427 MIMECAST-UK, GB
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS2914 NTT-DATA-2914 - NTT America, Inc., US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 21690 AS42427 ORIGIN Originate: 2816 /20.54 Transit: 0 /0.00 MIMECAST-UK, GB
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 16870 AS42427 MIMECAST-UK, GB 11 4 2 9 2 18.18% Prefix AS Path Aggregation Suggestion 91.220.42.0/24 4777 2497 2914 42427 185.58.84.0/23 4777 2497 3356 42427 + Announce - aggregate of 185.58.84.0/24 (4777 2497 3356 42427) and 185.58.85.0/24 (4777 2497 3356 42427) 185.58.84.0/24 4777 2497 3356 42427 - Withdrawn - aggregated with 185.58.85.0/24 (4777 2497 3356 42427) 185.58.85.0/24 4777 2497 3356 42427 - Withdrawn - aggregated with 185.58.84.0/24 (4777 2497 3356 42427) 185.58.86.0/23 4777 2497 2914 42427 + Announce - aggregate of 185.58.86.0/24 (4777 2497 2914 42427) and 185.58.87.0/24 (4777 2497 2914 42427) 185.58.86.0/24 4777 2497 2914 42427 - Withdrawn - aggregated with 185.58.87.0/24 (4777 2497 2914 42427) 185.58.87.0/24 4777 2497 2914 42427 - Withdrawn - aggregated with 185.58.86.0/24 (4777 2497 2914 42427) 193.7.204.0/24 4777 2497 3356 42427 193.7.205.0/24 4777 2497 2914 42427 195.130.217.0/24 4777 2497 3356 42427 207.82.80.0/24 4777 2497 3356 42427 216.35.243.0/24 4777 2516 3356 42427 216.35.244.0/24 4777 2516 3356 42427
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS42427 9 More Specifics 11 Total Advertisements MIMECAST-UK, GB
185.58.84.0/24 185.58.84.0/22
185.58.85.0/24 185.58.84.0/22
185.58.86.0/24 185.58.84.0/22
185.58.87.0/24 185.58.84.0/22
193.7.204.0/24 193.7.204.0/22
193.7.205.0/24 193.7.204.0/22
207.82.80.0/24 207.82.0.0/16
216.35.243.0/24 216.32.0.0/14
216.35.244.0/24 216.32.0.0/14
whois: 402332
IANA has recorded AS42427 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS42427\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS42383 - AS42959'
as-block: AS42383 - AS42959
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: 2021-08-19T06:50:17Z
last-modified: 2021-08-19T06:50:17Z
source: RIPE
% Information related to 'AS42427'
% Abuse contact for 'AS42427' is 'abuse@mimecast.com'
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
country: GB
org-type: LIR
address: 1 Finsbury Avenue
address: EC2M 2PF
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: 2023-03-02T16:20:07Z
source: RIPE # Filtered
admin-c: CGRD-RIPE
role: Mimecast - CoreGrid
address: 1 Finsbury Avenue
address: London
address: EC2M 2PF
address: United Kingdom
phone: +44 (0)207 847 8700
admin-c: MCNO2003-RIPE
tech-c: MCNO2003-RIPE
remarks: ---------------------------------
abuse-mailbox: abuse@mimecast.com
remarks: ---------------------------------
nic-hdl: CGRD-RIPE
mnt-by: MCSL-RIPE-MNT
created: 2014-05-20T16:18:44Z
last-modified: 2023-09-28T13:31:26Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)