AS Number
AS21054
AS Name
RBSG-UK-AS
Org Name
Natwest Markets PLC
Registry

ripe

RegDate

N/A

Updated

2019-12-04T11:17:17Z

AS21054 Looking Glass
IPv4Prefixes

15

IPv6Prefixes

0

IPv4 NUMs

65,536

IPv6 NUMs(/64)

0

65,536 IPv4 Addresses
CIDR Description IP Num
155.136.0.0/24 ROY-SCOT-NET 256
155.136.0.0/17 ROY-SCOT-NET 32768
155.136.0.0/16 ROY-SCOT-NET 65536
155.136.60.0/24 ROY-SCOT-NET 256
155.136.60.0/22 ROY-SCOT-NET 1024
155.136.61.0/24 ROY-SCOT-NET 256
155.136.62.0/24 ROY-SCOT-NET 256
155.136.63.0/24 ROY-SCOT-NET 256
155.136.128.0/17 ROY-SCOT-NET 32768
155.136.144.0/24 ROY-SCOT-NET 256
155.136.146.0/24 ROY-SCOT-NET 256
155.136.197.0/24 ROY-SCOT-NET 256
155.136.202.0/24 ROY-SCOT-NET 256
155.136.202.0/23 ROY-SCOT-NET 512
155.136.203.0/24 ROY-SCOT-NET 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1273 CW - Vodafone Group PLC, GB United Kingdom 1,856,000 8,796,093,022,208 IPv4 IPv4
AS2856 BT-UK-AS - British Telecommunications PLC, GB United Kingdom 12,289,792 549,756,141,568 IPv4 IPv4
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US United States 104,192 6,029,312 IPv4 IPv4
IP Address Domain NUMs Domains
155.136.13.11 1 www.aptimise.com
155.136.13.68 1 prd-fce.zambezi.ts2-labs.com
155.136.13.69 1 secure1t.natwest.com
155.136.13.70 1 secure1t.rbs.co.uk
155.136.13.71 1 secure1t.ulsterbank.co.uk
155.136.13.81 1 developer.natwest.com
155.136.13.82 1 developer.rbs.co.uk
155.136.13.88 1 secure1t.natwestinternational.com
155.136.13.135 1 arete.ulsterbank.ie
155.136.13.142 1 arete.rbsinternational.co.uk
as-block:       AS21004 - AS21151
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE



aut-num:        AS21054
as-name:        RBSG-UK-AS
org:            ORG-TRBO2-RIPE
descr:          Edinburgh
import:         from AS2856 action pref=100; accept ANY
import:         from AS1273 action pref=100; accept ANY
import:         from AS32787 action pref=100; accept ANY
import:         from AS4755 action pref=100; accept ANY
import:         from AS9498 action pref=100; accept ANY
export:         to AS2856 announce AS21054
export:         to AS1273 announce AS21054
export:         to AS32787 announce AS21054
export:         to AS4755 announce AS21054
export:         to AS9498 announce AS21054
default:        to AS1273 action pref=100; networks ANY
admin-c:        CL5041-RIPE
tech-c:         RTST1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RBSG-MNT
created:        2002-03-07T14:53:40Z
last-modified:  2019-12-04T11:17:17Z
source:         RIPE

organisation:   ORG-TRBO2-RIPE
org-name:       Natwest Markets PLC
country:        GB
org-type:       LIR
address:        250 Bishopsgate
address:        EC2M 3UR
address:        London
address:        UNITED KINGDOM
phone:          +447929792793
abuse-c:        AR17872-RIPE
mnt-ref:        RBSG-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RBSG-MNT
created:        2013-06-12T10:43:32Z
last-modified:  2022-06-23T07:41:36Z
source:         RIPE
e-mail:         [email protected]

role:           RBS Technical Support Team
address:        42 Islington High Street, London, N1 8XL
e-mail:         [email protected]
abuse-mailbox:  [email protected]
nic-hdl:        RTST1-RIPE
mnt-by:         RBSG-MNT
created:        2018-03-23T12:27:34Z
last-modified:  2018-03-23T12:29:48Z
source:         RIPE

person:         Sean Jarvis
address:        42 Islington High Street
address:        London
address:        N1 8XL
phone:          +44 20 7063 1687
e-mail:         [email protected]
nic-hdl:        CL5041-RIPE
mnt-by:         RBSG-MNT
created:        2012-08-13T13:30:01Z
last-modified:  2016-09-19T12:39:19Z
source:         RIPE