Autonomous System details

AS208638

Mimecast Services Limited  ·  mimecast.com

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AS208638 – Mimecast Services Limited

Field Value
Country United Kingdom
Website mimecast.com
Hosted domains 0
IPv4 addresses 512
IPv6 addresses 0
ASN type Hosting
Registry ripe
Allocated 7 years ago on Jul 01, 2019
Updated 21 days ago on Apr 06, 2026
Netblock Company Num of IPs
45.91.16.0/24 Mimecast Services Limited 256
45.91.17.0/24 Mimecast Services Limited 256

There are no known IPv6 addresses belonging to this network

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IP Ranges API

WHOIS Details


                                                ASHandle:       AS208638
                                                OrgID:          AS208638
                                                ASName:         AS208638
                                                ASNumber:       AS208638
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There are 3 peers for this ASN.

Peers Name
AS1239 Cogent Communications, LLC
AS174 Cogent Communications, LLC
AS8220 COLT Technology Services Group Limited
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications, LLC
AS8220 COLT Technology Services Group Limited
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

2 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
45.91.16.186 AS208638 Mimecast Services Limited 1.31ms from Boston, US
45.91.17.198 AS208638 Mimecast Services Limited 1.53ms from London, GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
76.16.240.206 AS7922 Comcast Cable Communications, LLC 1.66ms from Chicago, US
64.79.76.14 AS10297 eNET Inc. 4.04ms from Cincinnati, US
106.194.116.62 AS45609 Bharti Airtel Ltd. AS for GPRS Service 1.42ms from Delhi, IN
106.252.111.254 AS3786 LG DACOM Corporation 1.60ms from Incheon, KR
147.12.161.238 AS201838 Community Fibre Limited 1.57ms from London, GB
78.150.255.110 AS13285 TalkTalk Communications Limited 2.09ms from Manchester, GB
195.30.21.62 AS5539 SpaceNet AG 1.02ms from Munich, DE
78.201.207.62 AS12322 Free SAS 1.62ms from Paris, FR
193.33.168.254 AS35344 SYNTEN Sarl 1.31ms from Paris, FR
73.230.111.174 AS7922 Comcast Cable Communications, LLC 18.18ms from Reston, US
151.3.243.206 AS1267 WIND TRE S.P.A. 7.73ms from Rome, IT
5.17.32.254 AS41733 JSC ER-Telecom Holding 0.71ms from Saint Petersburg, RU
78.12.192.206 AS16509 Amazon.com, Inc. 0.51ms from Santiago de Queretaro, MX
125.227.77.254 AS3462 Data Communication Business Group 1.24ms from Taichung, TW
211.22.211.254 AS3462 Data Communication Business Group 3.62ms from Taichung, TW
114.45.144.30 AS3462 Data Communication Business Group 1.03ms from Taipei, TW
101.251.196.110 AS56048 China Mobile Communicaitons Corporation 3.16ms from Tianjin, CN
122.218.161.222 AS17506 ARTERIA Networks Corporation 0.97ms from Tokyo, JP
128.100.5.110 AS239 University of Toronto 0.77ms from Toronto, CA
193.198.233.174 AS2108 Croatian Academic and Research Network 0.88ms from Zagreb, HR
110.77.189.222 AS131090 National Telecom Public Company Limited 13.18ms from Bangkok, TH
184.34.49.126 AS16509 Amazon.com, Inc. 0.20ms from Boardman, US
125.67.61.110 AS4134 CHINANET BACKBONE 8.18ms from Chengdu, CN
207.229.145.62 AS6079 RCN 4.14ms from Chicago, US
104.197.224.238 AS396982 Google LLC 0.12ms from Council Bluffs, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f3 45.91.16.181
traceroute to 45.91.16.181 (45.91.16.181): 64 hops max, 52 byte packets
3 [AS3257] 195.72.94.13 0.264 ms
4 *
5 *
6 *
7 [AS174] 154.54.75.150 1.289 ms
8 [AS174] 154.54.167.29 73.178 ms
9 *
10 [AS174] 154.24.29.2 69.41 ms
11 [AS174] 154.24.3.106 74.555 ms
12 [AS174] 154.24.20.234 74.245 ms
13 [AS174] 38.122.253.34 69.258 ms
Measurement taken from IPinfo ProbeNet in London, GB
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS208638 at robtex.

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