157.203.255.0/24

AS21369 · Atos IT Services UK Ltd

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Summary

Country	United Kingdom
Domain	atos.net
ASN	AS21369
Registry	RIPE
ID	UK-ATOSUK-20070407

WHOIS Details

inetnum:        157.203.0.0 - 157.203.255.255
netname:        UK-ATOSUK-20070407
country:        GB
org:            ORG-AISU1-RIPE
admin-c:        ATOS5-RIPE
tech-c:         ATOS5-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SEMA-UK-AS-MNT
mnt-lower:      SEMA-UK-AS-MNT
mnt-routes:     SEMA-UK-AS-MNT
created:        2015-06-19T12:07:34Z
last-modified:  2023-01-04T11:09:51Z
source:         RIPE
abuse-email:    uk.abuse@atos.net
abuse-c:        AA30342-RIPE
abuse-org:      ORG-AISU1-RIPE

organisation:   ORG-AISU1-RIPE
org-name:       Atos IT Services UK Ltd
country:        GB
org-type:       LIR
address:        Second Floor, Mid City Place, 71 High Holborn,
address:        WC1V 6EA
address:        London
address:        UNITED KINGDOM
phone:          +448007833040
fax-no:         +441616018842
e-mail:         uk.abuse@atos.net
admin-c:        ATOS5-RIPE
tech-c:         ATOS5-RIPE
abuse-c:        AA30342-RIPE
mnt-by:         SEMA-UK-AS-MNT
mnt-ref:        SEMA-UK-AS-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2013-05-30T09:12:57Z
last-modified:  2022-12-16T16:54:22Z
source:         RIPE

role:           ATOS Admin
address:        3300 Solihull Parkway
address:        Birmingham Business Park
address:        B37 7YQ
e-mail:         UK.Abuse@atos.net
abuse-mailbox:  UK.Abuse@atos.net
nic-hdl:        ATOS5-RIPE
mnt-by:         SEMA-UK-AS-MNT
created:        2013-10-05T00:51:50Z
last-modified:  2013-10-05T03:40:17Z
source:         RIPE

route:          157.203.0.0/16
descr:          ATOS Origin IT
origin:         AS21369
mnt-by:         SEMA-UK-AS-MNT
created:        2005-02-04T15:58:50Z
last-modified:  2005-08-08T07:53:20Z
source:         RIPE

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
178.62.212.72	AS14061 DigitalOcean, LLC	`0.20ms` from Amsterdam, NL
52.178.5.104	AS8075 Microsoft Corporation	`0.27ms` from Amsterdam, NL
143.92.120.104	AS58521 Garena Online Pte Ltd	`0.70ms` from Dallas, US
81.173.233.152	AS8422 NetCologne Gesellschaft fur Telekommunikation mbH	`2.12ms` from Duesseldorf, DE
59.44.10.136	AS4134 CHINANET-BACKBONE	`3.06ms` from Liaoyang, CN
121.81.79.248	AS17511 OPTAGE Inc.	`1.95ms` from Osaka, JP
126.31.4.168	AS17676 SoftBank Corp.	`8.28ms` from Osaka, JP
146.235.29.104	AS31898 Oracle Corporation	`0.28ms` from Sao Paulo, BR
66.198.154.216	AS6453 TATA COMMUNICATIONS (AMERICA) INC	`0.17ms` from Ashburn, US
44.244.92.184	AS16509 Amazon.com, Inc.	`0.28ms` from Boardman, US
196.115.4.24	AS36925 MEDITELECOM	`3.89ms` from Casablanca, MA
223.102.110.24	AS56044 China Mobile communications corporation	`6.25ms` from Liaoyang, CN
126.5.215.88	AS17676 SoftBank Corp.	`9.89ms` from Osaka, JP
191.249.216.8	AS18881 TELEFÔNICA BRASIL S.A	`7.05ms` from Rio de Janeiro, BR
24.68.87.120	AS6327 Shaw Communications Inc.	`8.80ms` from Seattle, US
221.168.223.152	AS4766 Korea Telecom	`1.97ms` from Seoul, KR
83.190.83.8	AS1257 Tele2 Sverige AB	`8.09ms` from Stockholm, SE
155.4.161.184	AS8473 Bahnhof AB	`0.84ms` from Stockholm, SE
18.181.39.136	AS16509 Amazon.com, Inc.	`0.21ms` from Tokyo, JP
190.2.155.232	AS49981 WorldStream	`1.17ms` from Amsterdam, NL
74.96.103.216	AS701 Verizon Business	`2.14ms` from Ashburn, US
50.93.181.40	AS53435 JACKSON ENERGY AUTHORITY	`8.28ms` from Atlanta, US
79.216.24.40	AS3320 Deutsche Telekom AG	`5.11ms` from Duesseldorf, DE
70.138.128.168	AS7018 AT&T Enterprises, LLC	`19.26ms` from Houston, US
117.233.147.232	AS9829 National Internet Backbone	`5.24ms` from Kolkata, IN

Traceroute

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

traceroute -a -n -q1 -f4 -m10 157.203.255.71

traceroute to 157.203.255.71 (157.203.255.71): 10 hops max, 52 byte packets

4 [AS1299] 62.115.140.71 1.485 ms

5 [AS1299] 213.248.93.153 4.48 ms

6 [] 212.36.131.21 1.738 ms

7 [AS8220] 213.86.97.174 6.27 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in London, GB

On August 22nd 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.

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