AS30031 Mimecast North America Inc

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	41.74.203.0/24	Mimecast		41.74.192.0/20	AfriNIC
	63.128.21.0/24	CenturyLink Communications, LLC		63.128.0.0/15	ARIN
	170.10.128.0/23	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.130.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.131.0/24	Mimecast North America Inc		168.151.224.0/22	ARIN
	170.10.132.0/23	Mimecast North America Inc		171.224.0.0/11	APNIC
	170.10.142.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.150.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.151.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.152.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.153.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.156.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	170.10.157.0/24	Mimecast North America Inc		170.10.128.0/19	ARIN
	205.139.110.0/24	CenturyLink Communications, LLC		205.138.0.0/15	ARIN
	205.139.111.0/24	CenturyLink Communications, LLC		206.41.160.0/19	ARIN
	207.211.30.0/24	Mimecast Services Limited		207.211.0.0/16	ARIN
	216.145.218.0/24	Mimecast North America Inc		216.36.192.0/18	ARIN
	216.145.219.0/24	Mimecast North America Inc		216.145.208.0/20	ARIN
	216.145.222.0/24	Mimecast North America Inc		217.131.0.0/16	RIPE
	216.205.24.0/24	Mimecast Services Limited		216.205.0.0/18	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2620:134:6000::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN
	2620:134:6001::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN
	2620:134:6002::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN
	2620:134:6008::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN
	2620:134:6009::/48	Mimecast North America Inc		2620:134:6000::/44	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS2914	NTT-DATA-2914	NTT America, Inc.

Country	ASN	Name	Description	IPv4
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS2914	NTT-DATA-2914	NTT America, Inc.

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS2914	NTT-DATA-2914	NTT America, Inc.

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS2914	NTT-DATA-2914	NTT America, Inc.

IPv6 Upstream Graph

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IPv6 Upstream Graph

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


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

OrgTechHandle: MIMEC-ARIN
OrgTechName:   Mimecast
OrgTechPhone:  +442078478700 
OrgTechEmail:  netops@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 1997-2025, American Registry for Internet Numbers, Ltd.
#