AS2856

British Telecommunications PLC

AS2856British Telecommunications PLC

AS Number2856
AS NameBT-UK-AS
OrganizationBritish Telecommunications PLC (org-bpis1-ripe)
CountryGB
Websitebt.net
Number of IPv4 Routes383
Number of IPv6 Routes6
ASN typeISP
Allocation Statusallocated
RegistryRIPE
Date Allocated1993-12-22

IP Ranges

Route# IPs
256
46.248.96.0/221024
86.128.0.0/121048576
256
256
256
256
72.9.180.0/221024
151.240.200.0/221024
256
buy plan2048
buy plan256
buy plan256
buy plan256

Whois Respose




as-block:       AS2830 - AS2879
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:        2018-11-22T15:27:18Z
last-modified:  2018-11-22T15:27:18Z
source:         RIPE



aut-num:        AS2856
as-name:        BT-UK-AS
descr:          BTnet UK Regional network
org:            ORG-BPIS1-RIPE
mp-import:      from AS5400 action pref=10; accept AS-BT-EU
mp-import:      from AS5400 action pref=14; accept ANY
mp-export:      to AS-ANY announce AS-BTGB
mp-import:      from AS702 action pref=11; accept AS702:RS-UK
mp-import:      from AS714 action pref=11; accept AS714
mp-import:      from AS786 action pref=11; accept AS-JANETPLUS
mp-import:      afi ipv4.unicast from AS1248 action pref=11; accept AS-HERE
mp-import:      afi ipv4.unicast from AS1267 action pref=11; accept AS-INFOSTRADA
mp-import:      from AS2119 action pref=11; accept AS-TELENOR
mp-import:      afi ipv4.unicast from AS2529 action pref=11; accept AS2529
mp-import:      from AS2818 action pref=11; accept AS-BBC
mp-import:      from AS2906 action pref=11; accept AS2906
mp-import:      from AS3223 action pref=11; accept AS3223
mp-import:      from AS3303 action pref=11; accept AS-SWCMGLOBAL
mp-import:      from AS4766 action pref=11; accept AS4766
mp-import:      afi ipv4.unicast from AS4788 action pref=11; accept AS4788
mp-import:      afi ipv4.unicast from AS5089 action pref=11; accept AS-NTLI
mp-import:      from AS5413 action pref=11; accept AS5413
mp-import:      from AS5459 action pref=11; accept AS-LINX
mp-import:      afi ipv4.unicast from AS5466 action pref=11; accept AS-EIRCOM
mp-import:      afi ipv4.unicast from AS5503 action pref=11; accept AS-RMIFL
mp-import:      afi ipv4.unicast from AS5588 action pref=11; accept AS-GTS-CE;
mp-import:      from AS5607 action pref=11; accept AS5607
mp-import:      afi ipv4.unicast from AS5631 action pref=11; accept AS-LUMINET
mp-import:      from AS6461 action pref=11; accept AS6461
mp-import:      from AS6667 action pref=11; accept AS-EUNETIP
mp-import:      afi ipv4.unicast from AS6677 action pref=11; accept AS-ICENET-RIX
mp-import:      afi ipv4.unicast from AS6730 action pref=11; accept AS-GLOBAL
mp-import:      afi ipv4.unicast from AS6774 action pref=11; accept AS6774:AS-BICS-TRANSIT
mp-import:      from AS6908 action pref=11; accept AS6908
mp-import:      afi ipv4.unicast from AS7342 action pref=11; accept AS7342
mp-import:      from AS8075 action pref=11; accept AS8075
mp-import:      from AS8220 action pref=11; accept AS8220
mp-import:      afi ipv4.unicast from AS8359 action pref=11; accept AS-MTU
mp-import:      afi ipv6.unicast from AS8359 action pref=11; accept AS-MTU-V6
mp-import:      from AS8426 action pref=11; accept AS-CLARANET
mp-import:      from AS8468 action pref=11; accept AS8468
mp-import:      from AS8551 action pref=11; accept AS-BEZEQINT
mp-import:      afi ipv4.unicast from AS8553 action pref=11; accept AS-AVENSYS
mp-import:      from AS8560 action pref=11; accept AS8560
mp-import:      afi ipv4.unicast from AS8607 action pref=11; accept AS-ATLAS
mp-import:      afi ipv4.unicast from AS8657 action pref=11; accept AS-CPRM
mp-import:      from AS8757 action pref=11; accept AS8757
mp-import:      from AS8781 action pref=11; accept AS-QTEL-SET
mp-import:      afi ipv4.unicast from AS8897 action pref=11; accept AS-KCOMSPN
mp-import:      from AS8902 action pref=11; accept AS8902
mp-import:      afi ipv4.unicast from AS8966 action pref=11; accept AS-EMIX
mp-import:      from AS9002 action pref=11; accept AS9002
mp-import:      from AS9009 action pref=11; accept AS-GBXSCUST-FULL
mp-import:      afi ipv4.unicast from AS9318 action pref=11; accept AS9318
mp-import:      afi ipv4.unicast from AS9505 action pref=11; accept AS-TWIG
mp-import:      from AS10310 action pref=11; accept AS-YAHOO
mp-import:      from AS12200 action pref=11; accept AS12200
mp-import:      afi ipv4.unicast from AS12390 action pref=11; accept AS-KINGSTONUK
mp-import:      from AS12576 action pref=11; accept AS12576
mp-import:      from AS12654 action pref=11; accept AS12654
mp-import:      afi ipv4.unicast from AS12713 action pref=11; accept AS-OTEGLOBE
mp-import:      from AS12989 action pref=11; accept AS12989
mp-import:      afi ipv4.unicast from AS13030 action pref=11; accept AS13030:AS-INIT7
mp-import:      from AS13037 action pref=11; accept AS-ZEN;
mp-import:      from AS13213 action pref=11; accept AS-UK2NET
mp-import:      afi ipv4.unicast from AS13237 action pref=11; accept AS-LAMBDANET
mp-import:      from AS13285 action pref=11; accept AS-OPAL
mp-import:      from AS13335 action pref=11; accept AS13335
mp-import:      from AS14340 action pref=11; accept AS14340
mp-import:      from AS15133 action pref=11; accept AS15133
mp-import:      from AS15169 action pref=11; accept AS15169
mp-import:      afi ipv4.unicast from AS15412 action pref=11; accept AS-FLAGP
mp-import:      afi ipv4.unicast from AS15533 action pref=11; accept AS-SASEUROPE
mp-import:      afi ipv6.unicast from AS15533 action pref=11; accept AS-SASEUROPE6
mp-import:      afi ipv4.unicast from AS15557 action pref=11; accept AS-LDCOMNET
mp-import:      from AS15692 action pref=11; accept AS-RAZORBLUE
mp-import:      from AS16265 action pref=11; accept AS-LEASEWEB
mp-import:      from AS16276 action pref=11; accept AS-OVH
mp-import:      from AS16509 action pref=11; accept AS16509
mp-import:      from AS19679 action pref=11; accept AS19679
mp-import:      from AS20712 action pref=11; accept AS-AA
mp-import:      from AS20799 action pref=11; accept AS-DATANETUK
mp-import:      from AS20860 action pref=11; accept AS-IOMART
mp-import:      from AS20940 action pref=11; accept AS-AKAMAI
mp-import:      afi ipv4.unicast from AS21345 action pref=11; accept AS21345
mp-import:      afi ipv4.unicast from AS21371 action pref=11; accept AS-EQUINIX-UK
mp-import:      from AS21396 action pref=11; accept AS-NETCONNEX
mp-import:      from AS22697 action pref=11; accept AS22697
mp-import:      from AS22822 action pref=11; accept AS22822
mp-import:      afi ipv4.unicast from AS24429 action pref=11; accept AS24429
mp-import:      from AS24916 action pref=11; accept AS-ORBITAL
mp-import:      from AS25180 action pref=11; accept AS-EXPONENTIAL-e
mp-import:      from AS25369 action pref=11; accept AS-BANDWIDTH
mp-import:      afi ipv4.unicast from AS25577 action pref=11; accept AS-C4L
mp-import:      afi ipv4.unicast from AS29017 action pref=11; accept AS-GYRON
mp-import:      from AS29550 action pref=11; accept AS-AS29550
mp-import:      from AS29791 action pref=11; accept AS29791
mp-import:      afi ipv4.unicast from AS30081 action pref=11; accept AS30081
mp-import:      from AS30844 action pref=11; accept AS-LIQUID
mp-import:      from AS30914 action pref=11; accept AS-IOKO
mp-import:      afi ipv4.unicast from AS31472 action pref=11; accept AS31472
mp-import:      afi ipv4.unicast from AS31655 action pref=11; accept AS31655
mp-import:      afi ipv4.unicast from AS31727 action pref=11; accept AS-NODE4
mp-import:      from AS32590 action pref=11; accept AS32590
mp-import:      afi ipv4.unicast from AS32787 action pref=11; accept AS-PROLE
mp-import:      from AS32934 action pref=11; accept AS32934
mp-import:      from AS33438 action pref=11; accept AS33438
mp-import:      afi ipv4.unicast from AS34270 action pref=11; accept AS-INETC
mp-import:      afi ipv4.unicast from AS34655 action pref=11; accept AS-DDITS
mp-import:      afi ipv4.unicast from AS34790 action pref=11; accept AS34790:AS-CUSTOMER
mp-import:      from AS35028 action pref=11; accept AS-MULTIPLAY
mp-import:      from AS35266 action pref=11; accept AS-EXN
mp-import:      afi ipv4.unicast from AS35834 action pref=11; accept AS35834
mp-import:      afi ipv4.unicast from AS37100 action pref=11; accept AS-SET-SEACOM
mp-import:      from AS39122 action pref=11; accept AS-BLACKNIGHT
mp-import:      afi ipv4.unicast from AS39202 action pref=11; accept AS-GCAP
mp-import:      afi ipv4.unicast from AS39326 action pref=11; accept AS-GOSCOMB
mp-import:      afi ipv6.unicast from AS39326 action pref=11; accept AS-GOSCOMB-V6
mp-import:      afi ipv4.unicast from AS40627 action pref=11; accept AS40627
mp-import:      from AS41000 action pref=11; accept AS-FREETHOUGHT
mp-import:      afi ipv4.unicast from AS41107 action pref=11; accept AS-BACKBONECONNECT-CUSTOMERS
mp-import:      afi ipv4.unicast from AS41690 action pref=11; accept AS-DAILYMOTION
mp-import:      afi ipv4.unicast from AS41695 action pref=11; accept AS-VOSTRON
mp-import:      from AS41811 action pref=11; accept AS-CONVERGENCE
mp-import:      from AS42689 action pref=11; accept AS26677:AS-GigaPoP
mp-import:      from AS42831 action pref=11; accept AS-UKSERVERS
mp-import:      afi ipv4.unicast from AS43531 action pref=11; accept AS-IXREACH
mp-import:      afi ipv4.unicast from AS44444 action pref=11; accept AS-WHS-EU
mp-import:      from AS44684 action pref=11; accept AS-MYTHIC
mp-import:      from AS45014 action pref=11; accept AS-HOSTIT-MK
mp-import:      from AS46489 action pref=11; accept AS46489
mp-import:      from AS47474 action pref=11; accept AS-Virtual1
mp-import:      afi ipv4.unicast from AS47480 action pref=11; accept AS-BTS
mp-import:      from AS47622 action pref=11; accept AS47622
mp-import:      afi ipv4.unicast from AS47762 action pref=11; accept AS47762
mp-import:      from AS49544 action pref=11; accept AS-INTERACTIVE3D
mp-import:      afi ipv4.unicast from AS50245 action pref=11; accept AS-SERVEREL
mp-import:      afi ipv4.unicast from AS50300 action pref=11; accept AS-CUSTDC
mp-import:      from AS50304 action pref=11; accept AS-BLIX
mp-import:      afi ipv4.unicast from AS50468 action pref=11; accept AS50468
mp-import:      from AS51048 action pref=11; accept AS-NEXTCONNEX
mp-import:      from AS51945 action pref=11; accept AS-CONNETU
mp-import:      from AS54113 action pref=11; accept AS54113
mp-import:      afi ipv4.unicast from AS54994 action pref=11; accept AS54994
mp-import:      from AS55256 action pref=11; accept AS55256
mp-import:      afi ipv4.unicast from AS57811 action pref=11; accept AS-ATDS-SERVICES
mp-import:      from AS57976 action pref=11; accept AS57976
mp-import:      from AS60068 action pref=11; accept AS-CDN77
mp-import:      from AS61012 action pref=11; accept AS-LIVEDRIVE
mp-import:      afi ipv4.unicast from AS61124 action pref=11; accept AS-MARSTONS
mp-import:      from AS61323 action pref=11; accept AS-UKFAST
mp-import:      afi ipv4.unicast from AS61337 action pref=11; accept AS-GXT
mp-import:      afi ipv4.unicast from AS62044 action pref=11; accept AS62044
mp-import:      from AS62240 action pref=11; accept AS-CLOUVIDER
mp-import:      from AS199524 action pref=11; accept AS-GCORE
mp-import:      afi ipv4.unicast from AS199592 action pref=11; accept AS199592
mp-import:      from AS202818 action pref=11; accept AS202818
admin-c:        FLS15-RIPE
tech-c:         BS1474-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
remarks:
remarks:        Peering contact: http://www.bt.net/cgi-bin/peering-request
remarks:        Support contact: as2856peering@bt.com
remarks:        24*7 NMC contact: 0800 811 343 option 3
remarks:        BTnet abuse: abuse@bt.com
remarks:
remarks:        ------------------------------------------------
mnt-by:         BTNET-INFRA-MNT
created:        2002-08-30T11:12:47Z
last-modified:  2025-05-15T10:13:44Z
source:         RIPE # Filtered

organisation:   ORG-BPIS1-RIPE
org-name:       British Telecommunications PLC
country:        GB
org-type:       LIR
address:        PP1, Floor1, Orion, Adastral Park, Martlesham Heath
address:        IP5 3RE
address:        Ipswich
address:        UNITED KINGDOM
phone:          +44 (0)20 7356 5000
abuse-c:        AR13878-RIPE
mnt-ref:        BTNET-MNT
mnt-ref:        BTNET-INFRA-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         BTNET-INFRA-MNT
admin-c:        FLS15-RIPE
admin-c:        MS35380-RIPE
admin-c:        GF1231-RIPE
created:        2004-04-17T12:11:50Z
last-modified:  2025-03-24T17:20:04Z
source:         RIPE # Filtered

role:           BTnet Support
address:        Adhara
address:        Adastral Park
address:        Martlesham Heath
address:        Ipswich
address:        SUFFLK   IP5 3RE
address:        GB
phone:          +44 800 0858963  5
phone:          +44 1473 336231
admin-c:        FLS15-RIPE
tech-c:         BS1474-RIPE
nic-hdl:        BS1474-RIPE
remarks:        For all queries contact as2856peering@bt.com
remarks:        Please send delisting issues to btnetdns@bt.net
mnt-by:         BTNET-MNT
created:        2002-04-30T07:54:10Z
last-modified:  2009-11-19T15:52:52Z
source:         RIPE # Filtered

role:           BT IP Address Admin
address:        PP 1, Floor 1
address:        Orion Building
address:        Adastral Park
address:        Martlesham Heath
address:        Ipswich
address:        IP5 3RE
address:        UK
remarks:
remarks:
nic-hdl:        FLS15-RIPE
mnt-by:         BTNET-INFRA-MNT
created:        2002-08-29T06:26:48Z
last-modified:  2023-06-21T11:23:36Z
source:         RIPE # Filtered


mntner:         as2856
admin-c:        JA6431-RIPE
auth:           SSO # Filtered
mnt-by:         as2856
created:        2018-08-23T15:46:37Z
last-modified:  2018-08-23T15:46:37Z
source:         RIPE # Filtered

person:         Jamal Ahmed
address:        31 Tame close Walsall West Midland WS1 4BA
phone:          +448712884044
nic-hdl:        JA6431-RIPE
mnt-by:         jamalahmed
created:        2014-08-30T00:39:45Z
last-modified:  2014-08-30T00:39:45Z
source:         RIPE # Filtered


Peers

AS NumberDescriptionCountry
THE MATHWORKS, INC.US
Zscaler Switzerland GmbHCH
Pharoah Tools LimitedGB
Node4 LimitedGB
ING DIRECT UKGB
NTT DATA Services Holdings CorporationUS
ANS ACADEMY LIMITEDGB
Init7 (Switzerland) Ltd.CH
RingCentral IncUS
Atos IT Services UK LtdGB
Six Degrees Technology Group LimitedGB
Ooredoo Q.S.C.QA
Fundtech Financial Messaging LtdGB
Capital One (Europe) PlcGB
G-Core Labs S.A.LU
Schlumberger LimitedUS
PAYSEND TECHNOLOGY LIMITEDGB
Amazon.com, Inc.US
Gamma Telecom Holdings LtdGB
Dialpad, Inc.US
buy planHerman Miller LTDGB
buy planUnum GroupUS
buy planDSM (GB) LimitedGB
buy planCravath, Swaine & Moore LLPUS

Upstreams

AS NumberDescriptionCountry
Datacamp LimitedGB
Trooli Ltd.GB
EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSCAE
COLT Technology Services Group LimitedGB
RETN LimitedGB
Init7 (Switzerland) Ltd.CH
MTS PJSCRU
Blix Solutions ASNO
FLAG TELECOM UK LIMITEDGB
Belgacom International Carrier Services SABE
buy planLiquid Telecommunications LtdGB
buy planM247 Europe SRLRO
buy planZayo BandwidthUS
buy planGSL Networks Pty LTDAU

Downstreams

AS NumberDescriptionCountry
THE MATHWORKS, INC.US
Zscaler Switzerland GmbHCH
Pharoah Tools LimitedGB
Node4 LimitedGB
NTT DATA Services Holdings CorporationUS
ANS ACADEMY LIMITEDGB
Atos IT Services UK LtdGB
Six Degrees Technology Group LimitedGB
Ooredoo Q.S.C.QA
Fundtech Financial Messaging LtdGB
buy planKirkland & Ellis LLPUS
buy planBringo Group LtdGB
buy planHerman Miller LTDGB
buy planUnum GroupUS

Contacts

Abuse Contacts

Legacy Routes