AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
SEMA-UK-AS Atos IT Services UK Ltd 32 0 8,192 0 United Kingdom
8,192 IPv4 Addresses
CIDR Description IP Num
157.203.6.0/24 Atos IT Services UK Ltd 256
157.203.7.0/24 Atos IT Services UK Ltd 256
157.203.36.0/24 Atos IT Services UK Ltd 256
157.203.37.0/24 Atos IT Services UK Ltd 256
157.203.40.0/24 Atos IT Services UK Ltd 256
157.203.41.0/24 Atos IT Services UK Ltd 256
157.203.42.0/24 Atos IT Services UK Ltd 256
157.203.43.0/24 Atos IT Services UK Ltd 256
157.203.48.0/24 Atos IT Services UK Ltd 256
157.203.49.0/24 Atos IT Services UK Ltd 256
157.203.52.0/24 Atos IT Services UK Ltd 256
157.203.53.0/24 Atos IT Services UK Ltd 256
157.203.56.0/24 Atos IT Services UK Ltd 256
157.203.57.0/24 Atos IT Services UK Ltd 256
157.203.58.0/24 Atos IT Services UK Ltd 256
157.203.59.0/24 Atos IT Services UK Ltd 256
157.203.60.0/24 Atos IT Services UK Ltd 256
157.203.61.0/24 Atos IT Services UK Ltd 256
157.203.62.0/24 Atos IT Services UK Ltd 256
157.203.120.0/24 Atos IT Services UK Ltd 256
157.203.142.0/24 Atos IT Services UK Ltd 256
157.203.143.0/24 Atos IT Services UK Ltd 256
157.203.176.0/24 Atos IT Services UK Ltd 256
157.203.177.0/24 Atos IT Services UK Ltd 256
157.203.178.0/24 Atos IT Services UK Ltd 256
157.203.179.0/24 Atos IT Services UK Ltd 256
157.203.180.0/24 Atos IT Services UK Ltd 256
157.203.181.0/24 Atos IT Services UK Ltd 256
157.203.242.0/24 Atos IT Services UK Ltd 256
157.203.243.0/24 Atos IT Services UK Ltd 256
157.203.254.0/24 Atos IT Services UK Ltd 256
157.203.255.0/24 Atos IT Services UK Ltd 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS702 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business, US United States 6,131,200 77,309,411,328 IPv4 IPv4
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 7,051,776 21,475,360,768 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,335,800 128,868,941,824 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 834,048 12,886,212,608 IPv4 IPv4
AS198949 VS-AS, IL Israel 41,472 262,144 IPv4 IPv4
IP Address Domain NUMs Domains
157.203.6.36 6 barnet-web.deployed.sitekit.net
157.203.6.49 1 ras.beh-mht.nhs.uk
as-block:       AS21281 - AS21390
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:28Z
last-modified:  2018-11-22T15:27:28Z
source:         RIPE



aut-num:        AS21369
as-name:        SEMA-UK-AS
org:            ORG-AISU1-RIPE
remarks:        Will advertise network 192.12.43.0/24
remarks:        ------------------------------------------------------
remarks:        *
remarks:        Verizon Peering
remarks:        *
remarks:        ------------------------------------------------------
import:         from AS702 action pref=100; accept ANY
export:         to AS702 announce AS21369
remarks:        ------------------------------------------------------
remarks:        *
remarks:        Level3 Peering
remarks:        *
remarks:        ------------------------------------------------------
import:         from AS3356 action pref=100; accept ANY
import:         from AS3549 action pref=100; accept ANY
export:         to AS3356 announce AS21369
export:         to AS3549 announce AS21369
remarks:        ------------------------------------------------------
remarks:        *
remarks:        Zayo Peering
remarks:        *
remarks:        ------------------------------------------------------
import:         from AS6461 action pref=100; accept ANY
export:         to AS6461 announce AS21369
remarks:        ------------------------------------------------------
remarks:        *
remarks:        BGP Off-ramping Peering
remarks:        *
remarks:        ------------------------------------------------------
import:         from AS198949 action pref=100; accept ANY
export:         to AS198949 announce AS21369
remarks:        ------------------------------------------------------
remarks:        *
remarks:        Legacy peerings for review
remarks:        *
remarks:        ------------------------------------------------------
export:         to AS8918 announce AS21369
import:         from AS8918 action pref=100; accept ANY
import:         from AS2856 action pref=100; accept ANY
default:        to AS2856 action pref=100; networks ANY
remarks:        ------------------------------------------------------
remarks:        *
admin-c:        PB247-RIPE
tech-c:         nr4539-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SEMA-UK-AS-MNT
created:        2001-11-15T09:27:21Z
last-modified:  2018-09-04T09:52:47Z
source:         RIPE

organisation:   ORG-AISU1-RIPE
org-name:       Atos IT Services UK Ltd
org-type:       LIR
address:        1020 Eskdale Road, Winnersh Triangle, Winnersh, Barkshire
address:        RG41 5TS
address:        Winnersh
address:        UNITED KINGDOM
phone:          +447812325773
fax-no:         +441616018842
abuse-c:        AA30342-RIPE
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:  2016-02-04T14:59:10Z
source:         RIPE # Filtered

person:         Philip Buckley
address:        Atos Origin
address:        Fulcrum House, 2 Killick Street
address:        London
address:        N1 9AZ
address:        UNITED KINGDOM
phone:          +44 1525 372801
nic-hdl:        PB247-RIPE
created:        2002-01-03T17:27:53Z
last-modified:  2016-04-06T00:38:20Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

person:         nick rourke
address:        3300 solihull parkway,birmingham business park,
address:        birmingham
address:        west midlands b37 7yq
phone:          +441216275303
mnt-by:         CARRIER1-MNT
nic-hdl:        nr4539-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T08:21:05Z
source:         RIPE # Filtered