Autonomous System details
AS3300
British Telecommunications PLC — bt.net
Summary
| Country |
 United Kingdom
|
| Organization | British Telecommunications PLC |
| Domain | bt.net |
| Number of IPv4 | 687,616 |
| Number of IPv6 | 2.3645× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | September 19, 2002 (about 22 years ago) |
| Updated | March 03, 2025 (about 1 months ago) |
IP Ranges
AS3300 announces 120 IPv4 ranges and 29 IPv6 ranges.
That's a total of 687,616 IPv4 addresses and 2.3645× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 61.14.0.0/18 |
 Infonet Services Corporation
|
16,384 | APNIC | ALLOCATED PORTABLE |
| 61.14.1.0/24 |
 M+w Group
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.2.0/23 |
Infonet Services Corporation
|
512 | APNIC | ALLOCATED PORTABLE |
| 61.14.4.0/22 |
 BT GIA
|
1,024 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.7.0/24 |
SIMMONS & SIMMONS
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.8.0/22 |
 BT GIA
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.11.0/24 |
IFF
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.12.0/22 |
BT GIA
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.15.0/24 |
BT GIA
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.20.0/22 |
Infonet Services Corporation
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 61.14.24.0/22 |
BT HK
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.28.0/22 |
 BT Cloud Sgp - Net1
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.31.0/24 |
BT GIA
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.32.0/22 |
Bw Maritime Pte LTD
|
1,024 | APNIC | ASSIGNED NON-PORTABLE |
| 61.14.34.0/24 |
BT GIA
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.36.0/24 |
BT-GIA-JP-net
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.36.0/22 |
BT-GIA-JP-net
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.39.0/24 |
BT-GIA-JP-net
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.40.0/22 |
 BT ZA
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.44.0/22 |
The Kantar Group LTD
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.48.0/22 |
Independent Newspapers Limited
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 61.14.52.0/24 |
BT Gia
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 63.250.128.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.128.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 63.250.131.0/24 |
SCHINDLER HOLDING
|
256 | ARIN | REASSIGNMENT |
| 63.250.132.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.132.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.135.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.136.0/22 |
Schenker BT
|
1,024 | ARIN | REASSIGNMENT |
| 63.250.140.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.144.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.144.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.147.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.148.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.151.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.152.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.155.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.156.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.159.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.160.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.163.0/24 |
 SPECSAVERS OPTICAL GROUP LIMITED
|
256 | ARIN | REASSIGNMENT |
| 63.250.164.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.168.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.171.0/24 |
BASF SE
|
256 | ARIN | REASSIGNMENT |
| 63.250.172.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.173.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.174.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.176.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.180.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.184.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 63.250.187.0/24 |
EDENRED
|
256 | ARIN | REASSIGNMENT |
| 63.250.189.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 63.250.191.0/24 |
DP DHL ETO
|
256 | ARIN | REASSIGNMENT |
| 72.29.128.0/20 |
Audiocodes LTD
|
4,096 | ARIN | REASSIGNMENT |
| 72.29.132.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 136.238.168.0/24 |
 Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.185.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.187.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.229.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.232.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.238.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.239.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.240.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.241.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 136.238.243.0/24 |
Schindler Informatik AG
|
256 | ARIN | REASSIGNMENT |
| 168.252.115.0/24 |
Orica Australia Pty LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 168.252.120.0/24 |
Orica Australia Pty LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 168.252.123.0/24 |
Orica Australia Pty LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 185.249.5.0/24 |
SanFrancisco-Lumileds
|
256 | RIPE NCC | ASSIGNED PA |
| 185.249.6.0/24 |
Singapore-Lumileds
|
256 | RIPE NCC | ASSIGNED PA |
| 192.92.18.0/23 |
Infonet Services Corporation
|
512 | ARIN | ALLOCATION |
| 192.92.20.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 192.92.24.0/21 |
Infonet Services Corporation
|
2,048 | ARIN | ALLOCATION |
| 192.92.32.0/19 |
Infonet Services Corporation
|
8,192 | ARIN | ALLOCATION |
| 192.92.64.0/20 |
Infonet Services Corporation
|
4,096 | ARIN | REALLOCATION |
| 192.92.80.0/23 |
Infonet Services Corporation
|
512 | ARIN | ALLOCATION |
| 192.92.82.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 192.157.130.0/23 |
Infonet Services Corporation
|
512 | ARIN | ALLOCATION |
| 192.157.132.0/22 |
POSTIPAN
|
1,024 | ARIN | REASSIGNMENT |
| 192.157.136.0/21 |
EMI
|
2,048 | ARIN | REASSIGNMENT |
| 192.157.144.0/20 |
TEXAS INSTRUMENTS
|
4,096 | ARIN | REASSIGNMENT |
| 192.157.160.0/23 |
Infonet Services Corporation
|
512 | ARIN | ALLOCATION |
| 192.237.64.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 194.33.52.0/24 |
KANTAR DORMANT 3 LIMITED
|
256 | RIPE NCC | ALLOCATED PA |
| 195.184.128.0/19 |
BT IPCG BACKBONE
|
8,192 | RIPE NCC | ASSIGNED PA |
| 195.206.64.0/19 |
 BT Global Communication
|
8,192 | RIPE NCC | ASSIGNED PA |
| 195.206.69.0/24 |
 British Telecommunications PLC
|
256 | RIPE NCC | ALLOCATED PA |
| 195.206.70.0/24 |
British Telecommunications PLC
|
256 | RIPE NCC | ALLOCATED PA |
| 198.137.64.0/18 |
PROGRESS
|
16,384 | ARIN | REASSIGNMENT |
| 198.137.75.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 198.178.237.0/24 |
KANTAR
|
256 | ARIN | ALLOCATION |
| 198.178.239.0/24 |
KANTAR
|
256 | ARIN | ALLOCATION |
| 198.180.64.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 198.207.64.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 198.207.64.0/22 |
Infonet Services Corporation
|
1,024 | ARIN | ALLOCATION |
| 199.6.64.0/18 |
INGERSOL
|
16,384 | ARIN | REASSIGNMENT |
| 203.187.128.0/22 |
BT-GIA
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 203.187.128.0/19 |
BT-GIA
|
8,192 | APNIC | ALLOCATED NON-PORTABLE |
| 203.187.145.0/24 |
BT GIA SNG
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 203.187.146.0/24 |
BT GIA SNG
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 204.52.187.0/24 |
KANTAR
|
256 | ARIN | ALLOCATION |
| 204.79.0.0/17 |
Canadair
|
32,768 | ARIN | REASSIGNMENT |
| 204.79.84.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 204.79.90.0/24 |
InfonetFW
|
256 | ARIN | REASSIGNMENT |
| 204.140.64.0/18 |
Nalco Company
|
16,384 | ARIN | REASSIGNMENT |
| 204.231.0.0/17 |
ELEPHANT TALK
|
32,768 | ARIN | REASSIGNMENT |
| 204.231.128.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 205.143.144.0/21 |
BT Management Services
|
2,048 | ARIN | ALLOCATION |
| 205.248.0.0/16 |
RESERVED FOR KYMMENE
|
65,536 | ARIN | REASSIGNMENT |
| 206.182.0.0/16 |
CHUBB
|
65,536 | ARIN | REASSIGNMENT |
| 206.182.128.0/18 |
SASOL
|
16,384 | ARIN | REASSIGNMENT |
| 206.182.134.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 206.182.164.0/24 |
Infonet Services Corporation
|
256 | ARIN | ALLOCATION |
| 206.182.192.0/18 |
Infonet Services Corporation
|
16,384 | ARIN | ALLOCATION |
| 207.117.0.0/16 |
HOGANAS
|
65,536 | ARIN | REASSIGNMENT |
| 207.209.0.0/19 |
VIRGIN ENTERTAINMENT
|
8,192 | ARIN | REASSIGNMENT |
| 207.209.0.0/16 |
VIRGIN ENTERTAINMENT
|
65,536 | ARIN | REASSIGNMENT |
| 207.209.64.0/19 |
 PHARMACIA
|
8,192 | ARIN | REASSIGNMENT |
| 209.28.0.0/16 |
Infonet Services Corporation
|
65,536 | ARIN | ALLOCATION |
| 209.28.174.0/24 |
Internal-FW
|
256 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2402:fb00::/32 |
Infonet Services Corporation
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00::/36 |
Infonet Services Corporation
|
4.9518× 1027 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:f00::/40 |
Infonet Services Corporation
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:1000::/36 |
Infonet Services Corporation
|
4.9518× 1027 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:1f00::/40 |
Lumileds
|
3.0949× 1026 | APNIC | ASSIGNED NON-PORTABLE |
| 2402:fb00:2000::/36 |
Infonet Services Corporation
|
4.9518× 1027 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:2f00::/40 |
Infonet Services Corporation
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:3000::/36 |
Infonet Services Corporation
|
4.9518× 1027 | APNIC | ALLOCATED PORTABLE |
| 2402:fb00:3f00::/40 |
Infonet Services Corporation
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2606:f100::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100::/32 |
BT Management Services
|
7.9228× 1028 | ARIN | ALLOCATION |
| 2606:f100:f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:1000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:1f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:2000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:2f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:3000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:3f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:4000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:4f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:5000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:5f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:6000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:7000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:7f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:8000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:8f00::/40 |
BT Management Services
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2606:f100:9000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:f100:c000::/36 |
BT Management Services
|
4.9518× 1027 | ARIN | ALLOCATION |
Peers
AS3300 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS917
AS1403
AS1828
AS2497
AS2518
AS3303
AS3741
AS4230
AS4608
AS4775
AS6057
AS6424
AS6830
AS6939
AS7713
AS8220
AS8966
AS9002
AS9304
AS11845
AS12200
AS14907
AS16735
AS17639
AS18106
AS19151
AS22548
AS22652
AS23106
AS23673
AS23764
AS24482
AS28624
AS28634
AS33891
AS35280
AS37100
AS37468
AS37697
AS39120
AS40934
AS42473
AS45352
AS49544
AS51185
AS52320
AS52873
AS55720
AS57304
AS58057
AS58453
AS58511
AS63956
AS132337
AS132825
AS199524
AS263152
AS264479
AS328320
Upstreams
AS3300 connects to the global Internet via at least 10 upstream providers. In this setup, AS3300 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS3300 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS3300's role in extending Internet access beyond its own infrastructure.