185.58.86.0/24

AS42427 · Mimecast Services Limited

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Summary

Country	United Kingdom
Domain	mimecast.com
ASN	AS42427
Registry	RIPE
ID	UK-MIMECAST-NET3

WHOIS Details

inetnum:        185.58.86.0 - 185.58.86.255
netname:        UK-MIMECAST-NET3
country:        GB
org:            ORG-MSL21-RIPE
admin-c:        CGRD-RIPE
tech-c:         CGRD-RIPE
status:         ASSIGNED PA
mnt-by:         MCSL-RIPE-MNT
mnt-routes:     MCSL-RIPE-MNT
created:        2018-10-05T14:42:19Z
last-modified:  2019-03-28T11:59:20Z
source:         RIPE
abuse-email:    abuse@mimecast.com
abuse-c:        CGRD-RIPE
abuse-org:      ORG-MSL21-RIPE

organisation:   ORG-MSL21-RIPE
org-name:       Mimecast Services Limited
country:        GB
org-type:       LIR
address:        1 Finsbury Avenue
address:        EC2M 2PF
address:        London
address:        UNITED KINGDOM
phone:          +442078478700
e-mail:         netops@mimecast.com
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MCSL-RIPE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MCSL-RIPE-MNT
abuse-c:        CGRD-RIPE
created:        2014-05-05T13:57:11Z
last-modified:  2023-03-02T16:20:07Z
source:         RIPE
admin-c:        CGRD-RIPE

role:           Mimecast - CoreGrid
address:        1 Finsbury Avenue
address:        London
address:        EC2M 2PF
address:        United Kingdom
phone:          +44 (0)207 847 8700
admin-c:        MCNO2003-RIPE
tech-c:         MCNO2003-RIPE
e-mail:         netops@mimecast.com
remarks:        ---------------------------------
abuse-mailbox:  abuse@mimecast.com
remarks:        ---------------------------------
nic-hdl:        CGRD-RIPE
mnt-by:         MCSL-RIPE-MNT
created:        2014-05-20T16:18:44Z
last-modified:  2023-09-28T13:31:26Z
source:         RIPE

route:          185.58.86.0/24
descr:          MIMECAST-NET3
origin:         AS1290
mnt-by:         PSINET-MNT
mnt-by:         MCSL-RIPE-MNT
created:        2014-09-08T23:00:11Z
last-modified:  2018-04-17T15:31:04Z
source:         RIPE

route:          185.58.86.0/24
descr:          MIMECAST-NET4
origin:         AS42427
mnt-by:         MCSL-RIPE-MNT
created:        2018-04-17T16:05:23Z
last-modified:  2018-04-17T16:05:23Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 185.58.0.0/16

Range	ASN	Company	Num of IPs
185.58.16.0/22	AS206723	Model Telecom Ltd	1,024
185.58.16.0/22	AS206723	Model Telecom Ltd	1,024
185.58.52.0/22	AS31543	tirolnet gmbh	1,024
185.58.188.0/22	AS209284	LLC EGS-Telecom	1,024
185.58.92.0/22	AS42560	Telemach BH d.o.o. Sarajevo	1,024
185.58.8.0/22	AS201699	LEVEL SYS SAS	1,024
185.58.24.0/22	AS199909	ELITETELE.COM PLC	1,024
185.58.240.0/22	AS48715	Sefroyek Pardaz Engineering Company	1,024
185.58.4.0/22	AS51333	Arcolink Telecomunicazioni S.r.l.	1,024
185.58.16.0/22	AS60110	Model Telecom Ltd	1,024
185.58.60.0/22	AS201960	Gorrissen Federspiel Advokatpartnerselskab	1,024
185.58.136.0/22	AS201596	3NET AS	1,024
185.58.68.0/22	AS30950	Eviny Fiber AS	1,024
185.58.76.0/22	AS51929	Advania Sverige AB	1,024
185.58.196.0/22	AS201942	Soltia Consulting SL	1,024
185.58.216.0/22	AS60072	LLC EGS-Telecom	1,024
185.58.224.0/22	AS199883	Aruba S.p.A.	1,024
185.58.236.0/22	AS201875	Trending Jobs Holding B.V.	1,024
185.58.28.0/22	AS201962	Michael Rack	1,024
185.58.40.0/22	AS24971	MasterDC s.r.o.	1,024
185.58.44.0/22	AS3302	Retelit Digital Services S.p.A.	1,024
185.58.96.0/22	AS39923	Unix-Solutions BV	1,024
185.58.132.0/22	AS202709	Netoip.com srl	1,024
185.58.56.0/22	AS8312	Bas Smit trading as Zylon	1,024
185.58.16.0/22	AS60110	Model Telecom Ltd	1,024
185.58.164.0/22	AS56595	NHS National Services Scotland	1,024
185.58.140.0/22	AS200719	Miss Hosting AB	1,024
185.58.64.0/22	AS201959	Data Bank Group UAB	1,024
185.58.144.0/22	AS29518	Bredband2 AB	1,024
185.58.72.0/22	AS201563	cyber_Folks d.o.o	1,024
185.58.148.0/22	AS60893	Art of Automation B.V.	1,024
185.58.192.0/22	AS31034	Aruba S.p.A.	1,024
185.58.0.0/22	AS8793	Thinxx GmbH	1,024
185.58.200.0/22	AS41833	Moscanet SAL	1,024
185.58.152.0/22	AS13178	LLC Real-net	1,024
185.58.220.0/22	AS47723	SOFTLINE PJSC	1,024
185.58.124.0/22	AS13178	LLC Real-net	1,024
185.58.232.0/22	AS42090	Rapid Broadband Ltd	1,024
185.58.244.0/22	AS8685	Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S.	1,024
185.58.252.0/22	AS59740	City Networks Ltd	1,024
185.58.32.0/22	AS35382	Louhi Net Oy	1,024
185.58.36.0/22	AS680	Universitaet Siegen	1,024
185.58.160.0/22	AS12741	Netia SA	1,024
185.58.176.0/22	AS28792	Public Internet Ltd	1,024
185.58.180.0/22	AS5603	ELTA TELEKOMUNIKACIJE d.o.o.	1,024
185.58.182.0/23	AS5603	ELTA TELEKOMUNIKACIJE d.o.o.	512
185.58.180.0/23	AS5603	ELTA TELEKOMUNIKACIJE d.o.o.	512
185.58.48.0/23	AS201977	Miasto Zabrze	512
185.58.50.0/23	AS201977	Miasto Zabrze	512
185.58.20.0/23	AS35761	ATLANTIS BG Ltd.	512

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
185.58.86.6	AS42427 Mimecast Services Limited	`1.71ms` 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
174.102.69.168	AS10796 Charter Communications Inc	`8.14ms` from Columbus, US
34.132.124.248	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
107.219.14.8	AS7018 AT&T Enterprises, LLC	`19.26ms` from Dallas, US
129.173.154.72	AS8111 Dalhousie University	`0.38ms` from Halifax, CA
86.183.134.120	AS2856 British Telecommunications PLC	`8.09ms` from London, GB
188.93.182.40	AS49318 TELEFONICA TECH UK MANAGED SERVICES LTD	`5.31ms` from London, GB
105.76.76.216	AS36884 Wana Corporate	`14.46ms` from Madrid, ES
192.162.22.152	AS51070 TOKS Ltd	`5.19ms` from Moscow, RU
83.204.233.168	AS3215 Orange S.A.	`2.07ms` from Paris, FR
18.233.32.120	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
35.170.17.56	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
187.123.147.136	AS28573 Claro NXT Telecomunicacoes Ltda	`6.71ms` from Sao Paulo, BR
98.146.166.168	AS10838 Charter Communications Inc	`9.91ms` from Seattle, US
203.92.210.168	AS2687 AT&T Enterprises, LLC	`1.44ms` from Singapore, SG
125.231.145.152	AS3462 Data Communication Business Group	`2.98ms` from Taipei, TW
181.125.195.72	AS23201 Telecel S.A.	`5.94ms` from Asuncion, PY
52.235.163.168	AS8075 Microsoft Corporation	`0.73ms` from Boydton, US
34.133.142.104	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
216.97.243.232	AS13693 Vexus Fiber	`8.28ms` from Dallas, US
52.29.126.56	AS16509 Amazon.com, Inc.	`0.22ms` from Frankfurt am Main, DE
36.140.129.248	AS9808 China Mobile Communications Group Co., Ltd.	`0.41ms` from Hangzhou, CN
14.237.214.248	AS45899 VNPT Corp	`4.86ms` from Ho Chi Minh City, VN
142.236.66.24	AS11079 Zayo Bandwidth	`12.92ms` from Montreal, CA
103.40.13.72	AS63567 Suqian Pugongying Network Service Co.,Ltd	`5.22ms` from Nanjing, CN
116.81.49.72	AS18144 Enecom,Inc.	`7.09ms` from Osaka, JP

Traceroute

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

traceroute -a -n -q1 -f3 185.58.86.4

traceroute to 185.58.86.4 (185.58.86.4): 64 hops max, 52 byte packets

3 [AS8966] 5.195.70.160 1.747 ms

4 [AS8966] 195.229.3.41 119.872 ms

5 [] 80.249.213.240 264.962 ms

6 *

7 *

8 *

9 *

10 [AS42427] 185.58.86.4 213.276 ms

Measurement taken from

IPinfo ProbeNet in Al Fujairah City, AE

On September 11th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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