AS30031 - MIMECAST-US - Mimecast North America Inc, US

United States
AS Number
AS30031
AS Name
MIMECAST-US
Org Name
Mimecast North America Inc
Country
United States
Registry

arin

RegDate

2017-06-29

Updated

2025-05-07

AS30031 Looking Glass
IPv4Prefixes

21

IPv6Prefixes

5

IPv4 NUMs

5,888

IPv6 NUMs(/64)

327,680

5,888 IPv4 Addresses
CIDR Description IP Num
41.74.203.0/24
IRR Valid
MIMECAST-ANYCAST Mimecast 256
63.128.21.0/24
IRR Valid
CenturyLink Communications, LLC 256
170.10.128.0/23
ROA Signed and Valid IRR Valid
Mimecast North America Inc 512
170.10.130.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.131.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.132.0/23
ROA Signed and Valid IRR Valid
Mimecast North America Inc 512
170.10.140.0/24
ROA Signed and Valid IRR InValid
Mimecast North America Inc 256
170.10.142.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.150.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.151.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.152.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.153.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.156.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.157.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
205.139.110.0/24
IRR Valid
CenturyLink Communications, LLC 256
205.139.111.0/24
IRR Valid
CenturyLink Communications, LLC 256
207.211.30.0/24
IRR Valid
Mimecast Services Limited 256
216.145.218.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
216.145.219.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
216.145.222.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
216.205.24.0/24
IRR Valid
Mimecast Services Limited 256
CIDR Description IP NUMs(prefix /64)
2620:134:6000::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
2620:134:6001::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
2620:134:6002::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
2620:134:6008::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
2620:134:6009::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS12213 CNSQ-AS12213 - Centersquare, US United States 40,960 251,658,240 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,253,248 34,360,131,584 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,080,832 77,349,781,760 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,662,208 288,300,138,496 IPv4 IPv4 IPv6 IPv6 
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: MIMEC-ARIN
OrgTechName:   Mimecast
OrgTechPhone:  +442078478700 
OrgTechEmail:  cloudnetworking@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MIMEC-ARIN

OrgTechHandle: DAVIS2734-ARIN
OrgTechName:   Davis, Brian 
OrgTechPhone:  +1-781-996-5340 
OrgTechEmail:  bdavis@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DAVIS2734-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: SEVCI-ARIN
OrgTechName:   Sevcik, Libor 
OrgTechPhone:  +1-781-795-5393 
OrgTechEmail:  lsevcik@mimecast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SEVCI-ARIN