157.203.58.0/23

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
reg-nr:         1245534
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:  2026-04-29T05:34:04Z
source:         RIPE
abuse-email:    uk.abuse@atos.net
abuse-c:        AA30342-RIPE
abuse-org:      undefined

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

Nearby Ranges

BGP prefixes that overlap with 157.203.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
157.203.59.55	AS21369 Atos IT Services UK Ltd	`9.29ms` 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
94.110.16.231	AS47377 Orange Belgium SA	`6.78ms` from Brussels, BE
175.8.95.183	AS4134 CHINANET BACKBONE	`2.69ms` from Changsha, CN
97.83.125.151	AS20115 Charter Communications LLC	`10.98ms` from Chicago, US
72.181.78.55	AS11427 Charter Communications Inc	`19.25ms` from Dallas, US
79.230.227.135	AS3320 Deutsche Telekom AG	`2.27ms` from Hamburg, DE
35.228.65.183	AS396982 Google LLC	`0.15ms` from Hamina, FI
31.120.53.7	AS2856 British Telecommunications PLC	`2.30ms` from London, GB
90.206.6.199	AS5607 Sky UK Limited	`1.33ms` from London, GB
146.169.9.167	AS786 Jisc Services Limited	`1.89ms` from London, GB
176.193.246.151	AS12714 PJSC MegaFon	`2.10ms` from Moscow, RU
75.203.221.7	AS6167 Verizon Business	`13.43ms` from New York City, US
4.227.23.167	AS8075 Microsoft Corporation	`0.25ms` from Phoenix, US
112.254.106.119	AS4837 CHINA UNICOM China169 Backbone	`2.09ms` from Qingdao, CN
179.158.137.167	AS28573 Claro NXT Telecomunicacoes Ltda	`6.67ms` from Rio de Janeiro, BR
57.128.123.183	AS16276 OVH SAS	`0.09ms` from Roubaix, FR
78.12.243.103	AS16509 Amazon.com, Inc.	`0.53ms` from Santiago de Queretaro, MX
78.141.70.247	AS15962 Orange Slovensko a.s.	`2.47ms` from Bratislava, SK
4.231.249.167	AS8075 Microsoft Corporation	`0.29ms` from Dublin, IE
178.4.58.151	AS3209 Vodafone GmbH	`4.60ms` from Frankfurt am Main, DE
27.232.243.199	AS4766 Korea Telecom	`1.84ms` from Incheon, KR
134.22.128.87	AS11448 Clearwave Fiber	`2.42ms` from Kansas City, US
78.148.193.7	AS13285 TalkTalk Communications Limited	`6.69ms` from London, GB
86.131.61.183	AS2856 British Telecommunications PLC	`2.68ms` from London, GB
81.34.229.247	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.85ms` from Madrid, ES
114.216.90.151	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	`5.94ms` from Nanjing, CN

Traceroute

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

traceroute -a -n -q1 -f4 -m7 157.203.58.121

traceroute to 157.203.58.121 (157.203.58.121): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.93 0.122 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tieling, CN

On April 26th 2026

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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