AS Number
AS201101
AS Name
NATSEN-NC
Org Name
NATS (En Route) Ltd
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2026-06-17T08:25:01Z

AS201101 Looking Glass
IPv4Prefixes

7

IPv6Prefixes

0

IPv4 NUMs

1,280

IPv6 NUMs(/64)

0

CIDR Description IP Num
159.197.28.0/24
IRR InValid
NATS (En Route) Ltd 256
159.197.28.0/23
IRR InValid
NATS (En Route) Ltd 512
159.197.29.0/24
IRR InValid
NATS (En Route) Ltd 256
159.197.32.0/24
IRR InValid
NATS (En Route) Ltd 256
159.197.32.0/23
IRR InValid
NATS (En Route) Ltd 512
159.197.33.0/24
IRR InValid
NATS (En Route) Ltd 256
159.197.101.0/24
IRR InValid
NATS (En Route) Ltd 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,552,448 442,382,745,600 IPv4 IPv4

Whois Record

as-block AS200537 - AS202347

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
2026-06-17T08:25:01Z
last-modified
2026-06-17T08:25:01Z
source
RIPE

aut-num AS201101

aut-num
as-name
NATSEN-NC
org
ORG-NRL5-RIPE
import
from AS5459 accept ANY
from AS8075 accept ANY
export
to AS5459 announce AS201101
to AS8075 announce AS201101
admin-c
MG21995-RIPE
tech-c
MG21995-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
uk-natsen-1-mnt
created
2018-07-11T12:57:41Z
last-modified
2018-09-04T12:16:23Z
source
RIPE

organisation ORG-NRL5-RIPE

organisation
ORG-NRL5-RIPE
org-name
NATS (En Route) Ltd
country
GB
reg-nr
04129273
org-type
LIR
address
LATCC, Sopwith Way
SO31 7AY
Swanwick, Hants
UNITED KINGDOM
phone
+44 (0)1489 616001
e-mail
admin-c
MG21995-RIPE
tech-c
MG21995-RIPE
abuse-c
AR35437-RIPE
mnt-ref
uk-natsen-1-mnt
RIPE-NCC-HM-MNT
mnt-by
RIPE-NCC-HM-MNT
uk-natsen-1-mnt
created
2016-02-17T10:11:02Z
last-modified
2026-05-13T07:22:55Z
source
RIPE

person Mustafa Gunsaya

person
Mustafa Gunsaya
address
Corporate and Technical Centre, 4000 Parkway, Whiteley,
PO15 7FL
Fareham, Hants
UNITED KINGDOM
phone
+4401489616191
nic-hdl
MG21995-RIPE
mnt-by
uk-natsen-1-mnt
created
2016-02-17T10:11:01Z
last-modified
2016-02-17T10:11:01Z
source
RIPE

as-block:       AS200537 - AS202347
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:        2026-06-17T08:25:01Z
last-modified:  2026-06-17T08:25:01Z
source:         RIPE



aut-num:        AS201101
as-name:        NATSEN-NC
org:            ORG-NRL5-RIPE
import:         from AS5459 accept ANY
export:         to AS5459 announce AS201101
import:         from AS8075 accept ANY
export:         to AS8075 announce AS201101
admin-c:        MG21995-RIPE
tech-c:         MG21995-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-natsen-1-mnt
created:        2018-07-11T12:57:41Z
last-modified:  2018-09-04T12:16:23Z
source:         RIPE

organisation:   ORG-NRL5-RIPE
org-name:       NATS (En Route) Ltd
country:        GB
reg-nr:         04129273
org-type:       LIR
address:        LATCC, Sopwith Way
address:        SO31 7AY
address:        Swanwick, Hants
address:        UNITED KINGDOM
phone:          +44 (0)1489 616001
e-mail:         [email protected]
admin-c:        MG21995-RIPE
tech-c:         MG21995-RIPE
abuse-c:        AR35437-RIPE
mnt-ref:        uk-natsen-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         uk-natsen-1-mnt
mnt-ref:        RIPE-NCC-HM-MNT
created:        2016-02-17T10:11:02Z
last-modified:  2026-05-13T07:22:55Z
source:         RIPE

person:         Mustafa Gunsaya
address:        Corporate and Technical Centre, 4000 Parkway, Whiteley,
address:        PO15 7FL
address:        Fareham, Hants
address:        UNITED KINGDOM
phone:          +4401489616191
nic-hdl:        MG21995-RIPE
mnt-by:         uk-natsen-1-mnt
created:        2016-02-17T10:11:01Z
last-modified:  2016-02-17T10:11:01Z
source:         RIPE