ASN Lookup Tool

Mimecast North America Inc mimecast.com US US 22 Routes

AS Data

AS30031

AS30031 – Mimecast North America Inc

AS Number 30031
AS Name MIMECAST-US
Organization Mimecast North America Inc(mna-95)
Country US
Website mimecast.com
Number of IPv4 Routes 17
Number of IPv6 Routes 5
ASN type BUSINESS
Registry ARIN
Date Allocated 2017-07-07

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Use ASN data for AS30031 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
170.10.150.0/24 256
216.205.24.0/24 256
205.139.111.0/24 256
170.10.131.0/24 256
2620:134:6009::/48 ~1×10²⁴
170.10.128.0/23 512
216.145.219.0/24 256
63.128.21.0/24 256
170.10.132.0/23 512
170.10.152.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       30031
ASName:         MIMECAST-US
ASHandle:       AS30031
RegDate:        2017-07-07
Updated:        2017-07-07    
Ref:            https://rdap.arin.net/registry/autnum/30031


OrgName:        Mimecast North America Inc
OrgId:          MNA-95
Address:        191 Spring St
City:           Lexington
StateProv:      MA
PostalCode:     02421
Country:        US
RegDate:        2017-06-29
Updated:        2025-05-07
Ref:            https://rdap.arin.net/registry/entity/MNA-95


OrgTechHandle: DAVIS2734-ARIN
OrgTechName:   Davis, Brian 
OrgTechPhone:  +1-781-996-5340 
OrgTechEmail:  bdavis@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DAVIS2734-ARIN

OrgTechHandle: SEVCI-ARIN
OrgTechName:   Sevcik, Libor 
OrgTechPhone:  +1-781-795-5393 
OrgTechEmail:  lsevcik@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SEVCI-ARIN

OrgAbuseHandle: MIMEC1-ARIN
OrgAbuseName:   MIMEC-ABUSE
OrgAbusePhone:  +1-617-393-7050 
OrgAbuseEmail:  abuse@mimecast.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIMEC1-ARIN

OrgNOCHandle: MIMEC-ARIN
OrgNOCName:   Mimecast
OrgNOCPhone:  +442078478700 
OrgNOCEmail:  cloudnetworking@mimecast.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MIMEC-ARIN

OrgTechHandle: MIMEC-ARIN
OrgTechName:   Mimecast
OrgTechPhone:  +442078478700 
OrgTechEmail:  cloudnetworking@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MIMEC-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS12213 Centersquare US
AS2914 NTT America, Inc. US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS12213 Centersquare US
AS2914 NTT America, Inc. US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Contacts

Email Contacts

cloudnetworking@mimecast.com bdavis@mimecast.com lsevcik@mimecast.com

Abuse Contacts

abuse@mimecast.com

Legacy Routes

170.10.142.0/24 216.145.218.0/24 41.74.203.0/24 216.145.222.0/24

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Frequently Asked Questions

ASN AS30031 is an Autonomous System Number used to identify a network for BGP internet routing.
AS30031 is listed under Mimecast North America Inc.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.