AS Number
AS33538
AS Name
MIMECAST-CA
Org Name
Mimecast North America Inc
Country / Region
United States
Registry

arin

RegDate

2017-06-29

Updated

2023-08-16

AS33538 Looking Glass
IPv4Prefixes

6

IPv6Prefixes

2

IPv4 NUMs

2,048

IPv6 NUMs(/64)

131,072

2,048 IPv4 Addresses
CIDR Description IP Num
41.74.203.0/24
IRR Valid
MIMECAST-ANYCAST Mimecast 256
170.10.142.0/24
ROA Signed and Valid IRR Valid
Mimecast North America Inc 256
170.10.144.0/23
ROA Signed and Valid IRR Valid
Mimecast North America Inc 512
170.10.146.0/23
ROA Signed and Valid IRR Valid
Mimecast North America Inc 512
216.145.218.0/24
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
CIDR Description IP NUMs(prefix /64)
2620:134:6006::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
2620:134:6007::/48
ROA Signed and Valid IRR Valid
Mimecast North America Inc 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,944,512 30,065,033,216 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 30,037,608 77,329,203,200 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,667,840 17,718,247,424 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
41.74.203.10 1 dns.mimecast.com
41.74.203.11 1 dns.mimecast.com
41.74.203.30 16 botnets.cat-test.mimecast.xyz
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


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

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