AS Number
AS200468
AS Name
ALVAREZ
Org Name
ALVAREZ & MARSAL DISPUTES AND INVESTIGATIONS LLP
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2026-04-08T13:28:00Z

AS200468 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

256

IPv6 NUMs(/64)

0

CIDR Description IP Num
31.3.217.0/24
IRR Valid
MAINFRAME & CYBERNETIC SYSTEMS LIMITED 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4

Whois Record

as-block AS200352 - AS200535

as-block
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
2026-04-08T13:28:00Z
last-modified
2026-04-08T13:28:00Z
source
RIPE

aut-num AS200468

aut-num
as-name
ALVAREZ
org
ORG-AMDA4-RIPE
sponsoring-org
ORG-CA44-RIPE
import
from AS25577 accept ANY
from AS49503 accept ANY
export
to AS25577 announce AS200468
to AS49503 announce AS200468
admin-c
CNE2-RIPE
tech-c
CNE2-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
IDEGROUP-MNT
created
2022-12-16T13:06:49Z
last-modified
2022-12-16T13:06:49Z
source
RIPE

organisation ORG-AMDA4-RIPE

organisation
ORG-AMDA4-RIPE
org-name
ALVAREZ & MARSAL DISPUTES AND INVESTIGATIONS LLP
country
GB
reg-nr
OC331411
org-type
OTHER
address
30 Old Bailey London, EC4M 7AU United Kingdom
e-mail
chart@alvarezandmarsal.com
abuse-c
ACRO51013-RIPE
mnt-ref
C4L-MNT
mnt-by
IDEGROUP-MNT
C4L-MNT
created
2022-12-12T11:59:50Z
last-modified
2026-05-13T06:27:39Z
source
RIPE

role FRAMEHPC Network Engineer

role
FRAMEHPC Network Engineer
org
ORG-MCSL9-RIPE
address
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
New Broad Street House, 35 New Broad Street
EC2M 1NH
London
United Kingdom
e-mail
networks@framehpc.com
admin-c
IDE19-RIPE
MCIN-RIPE
tech-c
IDE19-RIPE
MCIN-RIPE
abuse-mailbox
abuse@framehpc.com
phone
+44 333 455 9885
notify
ripe@framehpc.com
nic-hdl
CNE2-RIPE
mnt-by
IDEGROUP-MNT
C4L-MNT
lir-uk-frame-1-MNT
created
2009-08-24T20:15:42Z
last-modified
2026-03-18T06:52:14Z
source
RIPE

as-block:       AS200352 - AS200535
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:        2026-04-08T13:28:00Z
last-modified:  2026-04-08T13:28:00Z
source:         RIPE



aut-num:        AS200468
as-name:        ALVAREZ
org:            ORG-AMDA4-RIPE
sponsoring-org: ORG-CA44-RIPE
import:         from AS25577 accept ANY
export:         to AS25577 announce AS200468
import:         from AS49503 accept ANY
export:         to AS49503 announce AS200468
admin-c:        CNE2-RIPE
tech-c:         CNE2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         IDEGROUP-MNT
created:        2022-12-16T13:06:49Z
last-modified:  2022-12-16T13:06:49Z
source:         RIPE

organisation:   ORG-AMDA4-RIPE
org-name:       ALVAREZ & MARSAL DISPUTES AND INVESTIGATIONS LLP
country:        GB
reg-nr:         OC331411
org-type:       OTHER
address:        30 Old Bailey London, EC4M 7AU United Kingdom
e-mail:         chart@alvarezandmarsal.com
abuse-c:        ACRO51013-RIPE
mnt-ref:        C4L-MNT
mnt-by:         IDEGROUP-MNT
mnt-by:         C4L-MNT
created:        2022-12-12T11:59:50Z
last-modified:  2026-05-13T06:27:39Z
source:         RIPE

role:           FRAMEHPC Network Engineer
org:            ORG-MCSL9-RIPE
address:        MAINFRAME & CYBERNETIC SYSTEMS LIMITED
address:        New Broad Street House, 35 New Broad Street
address:        EC2M 1NH
address:        London
address:
address:        United Kingdom
e-mail:         networks@framehpc.com
admin-c:        IDE19-RIPE
tech-c:         IDE19-RIPE
admin-c:        MCIN-RIPE
tech-c:         MCIN-RIPE
abuse-mailbox:  abuse@framehpc.com
phone:          +44 333 455 9885
notify:         ripe@framehpc.com
nic-hdl:        CNE2-RIPE
mnt-by:         IDEGROUP-MNT
mnt-by:         C4L-MNT
mnt-by:         lir-uk-frame-1-MNT
created:        2009-08-24T20:15:42Z
last-modified:  2026-03-18T06:52:14Z
source:         RIPE