AS33538 Mimecast North America Inc

MIMECAST-CA

IPv4 Addresses: 2,048

Number of Peers: 6

Number of Prefixes: 8

ASN Allocated: 29^th May 2020

ASN
Prefixes
Peers
Upstreams
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Raw Whois

AS33538 Summary

Regional Registry:

ARIN

Allocation Status:

Assigned

Allocation Date:

29^th May 2020

Allocated Country:

AS33538 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

abuse@mimecast.com

netops@mimecast.com

Abuse Contacts:

abuse@mimecast.com

Address:

191 Spring St,

Lexington,

MA,

02421,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
41.74.203.0/24	Mimecast	41.74.192.0/20	AfriNIC
170.10.142.0/24	Mimecast North America Inc	170.10.128.0/19	ARIN
170.10.144.0/23	Mimecast North America Inc	170.10.128.0/19	ARIN
170.10.146.0/23	Mimecast North America Inc	170.10.128.0/19	ARIN
216.145.218.0/24	Mimecast North America Inc	216.36.192.0/18	ARIN
216.145.222.0/24	Mimecast North America Inc	217.131.0.0/16	RIPE

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2620:134:6006::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN
	2620:134:6007::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN

IPv4 Peers
IPv6 Peers

ASN	Name	Description
AS6461	ZAYO-6461	Zayo Bandwidth
AS3356	LEVEL3	Level 3 Parent, LLC
AS2914	NTT-DATA-2914	NTT America, Inc.

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS2914	NTT-DATA-2914	NTT America, Inc.
AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstreams
IPv6 Upstreams

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS6461	ZAYO-6461	Zayo Bandwidth
AS2914	NTT-DATA-2914	NTT America, Inc.

IPv4 Upstream Graph

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS6461	ZAYO-6461	Zayo Bandwidth
AS2914	NTT-DATA-2914	NTT America, Inc.

IPv6 Upstream Graph

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33538
ASName:         MIMECAST-CA
ASHandle:       AS33538
RegDate:        2020-05-29
Updated:        2020-05-29    
Ref:            https://rdap.arin.net/registry/autnum/33538



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:        2023-08-16
Ref:            https://rdap.arin.net/registry/entity/MNA-95


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

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

OrgNOCHandle: MIMEC-ARIN
OrgNOCName:   Mimecast
OrgNOCPhone:  +442078478700 
OrgNOCEmail:  netops@mimecast.com
OrgNOCRef:    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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed

AS33538 Mimecast North America Inc

MIMECAST-CA

AS33538 Summary

Regional Registry:

Allocation Status:

Allocation Date:

Allocated Country:

AS33538 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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