AS13205 - British Telecommunications Limited, GB

Netherlands United Kingdom
AS Number
AS13205
AS Name
UNSPECIFIED
Org Name
British Telecommunications Limited
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2018-11-22T15:27:24Z

AS13205 Looking Glass
IPv4Prefixes

14

IPv6Prefixes

0

IPv4 NUMs

16,896

IPv6 NUMs(/64)

0

CIDR Description IP Num
31.11.56.0/23
IRR Valid
British Telecommunications Limited 512
78.109.0.0/24
IRR Valid
BT-ICH-AMS-HEM 256
78.109.0.0/20
IRR InValid
British Telecommunications Limited 4096
78.109.5.0/24
IRR Valid
British Telecommunications Limited 256
78.109.6.0/24
IRR Valid
British Telecommunications Limited 256
78.109.7.0/24
IRR Valid
British Telecommunications Limited 256
78.109.9.0/24
IRR Valid
British Telecommunications Limited 256
78.109.10.0/24
IRR Valid
British Telecommunications Limited 256
78.109.11.0/24
IRR Valid
British Telecommunications Limited 256
217.140.0.0/20
IRR InValid
BT-ICH-AMS-UTR 4096
217.140.12.0/24
IRR Valid
BT-ICH-AMS-HEM 256
217.140.12.0/22
IRR InValid
BT-ICH-AMS-HEM 1024
217.140.13.0/24
IRR Valid
BT-ICH-AMS-HEM 256
217.140.32.0/19
IRR Valid
BT-CARDIFFBAY-IDC 8192
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2856 BT-UK-AS - British Telecommunications Limited, GB United Kingdom 13,910,272 584,115,814,400 IPv4 IPv4
AS5400 BT - British Telecommunications Limited, GB United Kingdom 714,240 3,887,364,833,280 IPv4 IPv4

Whois Record

as-block AS12557 - AS13223

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
2018-11-22T15:27:24Z
last-modified
2018-11-22T15:27:24Z
source
RIPE

aut-num AS13205

aut-num
as-name
UNSPECIFIED
descr
BTWWIDC-H Autonomous System
BT Global Services DCS WorldWide Internet Data Centre
Amsterdam
org
ORG-BT4-RIPE
import
from AS5400 action pref=100; accept ANY
from AS2855 action pref=90; accept ANY
from AS9335 action pref=100; accept ANY
from AS4295 action pref=100; accept ANY
from AS12541 action pref=100; accept ANY
export
to AS5400 announce AS13205
to AS2855 announce AS13205
to AS9335 announce AS13205
to AS4295 announce AS13205
to AS12541 announce AS13205
default
to AS2855 action pref=90; networks ANY
admin-c
ICHR1-RIPE
tech-c
ICHR1-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
ICH-MNT
created
1970-01-01T00:00:00Z
last-modified
2017-11-15T09:15:51Z
source
RIPE

organisation ORG-BT4-RIPE

organisation
ORG-BT4-RIPE
org-name
British Telecommunications Limited
country
GB
reg-nr
01800000
org-type
LIR
address
pp HWJ380, PO Box 78961
E1W 9TD
London
UNITED KINGDOM
phone
+44 3316 260934
e-mail
ip.manager@bt.com
admin-c
BTCR1-RIPE
MS35380-RIPE
mnt-ref
BTENT-MNT
RIPE-NCC-HM-MNT
mnt-by
RIPE-NCC-HM-MNT
BTENT-MNT
abuse-c
BTCR3-RIPE
created
2004-04-17T12:11:54Z
last-modified
2026-06-29T12:02:58Z
source
RIPE
 
                1 Braham Street

role Ignite Content Hosting Registry

role
Ignite Content Hosting Registry
address
BT Global Services DCS Registry
British Telecommunications PLC
81 Newgate Street
London GB
e-mail
ip.manager-ich@bt.com
remarks
trouble: mailto: btcertcc@bt.com
admin-c
NM1915-RIPE
MS35380-RIPE
tech-c
MS35380-RIPE
NM1915-RIPE
FLS15-RIPE
nic-hdl
ICHR1-RIPE
mnt-by
ICH-MNT
created
1970-01-01T00:00:00Z
last-modified
2025-03-21T10:05:56Z
source
RIPE
 

as-block:       AS12557 - AS13223
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:        2018-11-22T15:27:24Z
last-modified:  2018-11-22T15:27:24Z
source:         RIPE



aut-num:        AS13205
as-name:        UNSPECIFIED
descr:          BTWWIDC-H Autonomous System
descr:          BT Global Services DCS WorldWide Internet Data Centre
descr:          Amsterdam
org:            ORG-BT4-RIPE
import:         from AS5400 action pref=100; accept ANY
import:         from AS2855 action pref=90; accept ANY
import:         from AS9335 action pref=100; accept ANY
import:         from AS4295 action pref=100; accept ANY
import:         from AS12541 action pref=100; accept ANY
export:         to AS5400 announce AS13205
export:         to AS2855 announce AS13205
export:         to AS9335 announce AS13205
export:         to AS4295 announce AS13205
export:         to AS12541 announce AS13205
default:        to AS2855 action pref=90; networks ANY
admin-c:        ICHR1-RIPE
tech-c:         ICHR1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ICH-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2017-11-15T09:15:51Z
source:         RIPE

organisation:   ORG-BT4-RIPE
org-name:       British Telecommunications Limited
country:        GB
reg-nr:         01800000
org-type:       LIR
address:        pp HWJ380, PO Box 78961
                1 Braham Street
address:        E1W 9TD
address:        London
address:        UNITED KINGDOM
phone:          +44 3316 260934
e-mail:         ip.manager@bt.com
admin-c:        BTCR1-RIPE
admin-c:        MS35380-RIPE
mnt-ref:        BTENT-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         BTENT-MNT
abuse-c:        BTCR3-RIPE
created:        2004-04-17T12:11:54Z
last-modified:  2026-06-29T12:02:58Z
source:         RIPE

role:           Ignite Content Hosting Registry
address:        BT Global Services DCS Registry
address:        British Telecommunications PLC
address:        81 Newgate Street
address:        London GB
e-mail:         ip.manager-ich@bt.com
remarks:        trouble: mailto: btcertcc@bt.com
admin-c:        NM1915-RIPE
admin-c:        MS35380-RIPE
tech-c:         MS35380-RIPE
tech-c:         NM1915-RIPE
tech-c:         FLS15-RIPE
nic-hdl:        ICHR1-RIPE
mnt-by:         ICH-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-03-21T10:05:56Z
source:         RIPE