81.144.0.0/12

AS2856 · British Telecommunications Limited

Summary

ASN
AS2856 — British Telecommunications Limited
BGP Prefix
81.128.0.0/11
Country
🇬🇧 United Kingdom
Domain
bt.net
Registry
RIPE_NCC
ID
BT-INFRA
Allocation
Part of 81.128.0.0/11

WHOIS

Network
81.144.0.0/12
Name
BT Infrastructure Layer
Net name
BT-INFRA
Organization type
lir-partitioned pa
Registry
RIPE_NCC
Country
GB

Overlapping Ranges

RangeSourceHolderCountry
81.128.0.0/11BGP routeAS2856 British Telecommunications Limited—
81.128.0.0/11WHOIS (RIPE_NCC)British Telecommunications LimitedGB
81.128.0.0/11RIPE_NCC assigned—GB
81.144.0.0/12WHOIS (RIPE_NCC)BT Infrastructure LayerGB
81.154.0.0/15WHOIS (RIPE_NCC)IP poolsGB
81.156.0.0/15WHOIS (RIPE_NCC)IP poolsGB
81.151.0.0/16WHOIS (RIPE_NCC)IP poolsGB
81.153.0.0/16WHOIS (RIPE_NCC)IP poolsGB
81.158.0.0/16WHOIS (RIPE_NCC)IP poolsGB
81.159.0.0/16WHOIS (RIPE_NCC)IP poolsGB
81.149.0.0/17WHOIS (RIPE_NCC)Single Static IP AddressesGB
81.152.0.0/17WHOIS (RIPE_NCC)IP poolsGB
81.146.0.0/18WHOIS (RIPE_NCC)BT-CENTRAL-PLUSGB
81.149.128.0/18WHOIS (RIPE_NCC)Single Static IP AddressesGB
81.152.128.0/18WHOIS (RIPE_NCC)IP poolsGB
81.145.64.0/19WHOIS (RIPE_NCC)MIDBANDGB
81.146.96.0/19WHOIS (RIPE_NCC)BT-Global-MPLS LoopbacksGB
81.146.128.0/19WHOIS (RIPE_NCC)VPN ManagementGB
81.146.160.0/19WHOIS (RIPE_NCC)MIDBANDGB
81.146.192.0/19WHOIS (RIPE_NCC)MIDBANDGB
81.148.0.0/19WHOIS (RIPE_NCC)BT-ADSL-LNSGB
81.148.32.0/19WHOIS (RIPE_NCC)BT-ADSL-LNSGB
81.148.64.0/19WHOIS (RIPE_NCC)BT-OPENWORLDGB
81.148.128.0/19WHOIS (RIPE_NCC)BT-ADSL-LNSGB
81.148.160.0/19WHOIS (RIPE_NCC)BT-ADSL-LNSGB
81.148.224.0/19WHOIS (RIPE_NCC)IP poolsGB
81.149.224.0/19WHOIS (RIPE_NCC)Single Static IP AddressesGB
81.152.192.0/19WHOIS (RIPE_NCC)IP poolsGB
81.144.0.0/20WHOIS (RIPE_NCC)IP VPN ManagementGB
81.144.48.0/20WHOIS (RIPE_NCC)VPN Converge LoopbacksGB
81.145.96.0/20WHOIS (RIPE_NCC)IP poolsGB
81.145.112.0/20WHOIS (RIPE_NCC)MIDBANDGB
81.147.0.0/20WHOIS (RIPE_NCC)IP poolsGB
81.147.96.0/20WHOIS (RIPE_NCC)IP poolsGB
81.147.128.0/20WHOIS (RIPE_NCC)IP poolsGB
81.147.160.0/20WHOIS (RIPE_NCC)IP poolsGB
81.148.96.0/20WHOIS (RIPE_NCC)BT-ADSL-LNSGB
81.149.208.0/20WHOIS (RIPE_NCC)Single Static IP AddressesGB
81.152.224.0/20WHOIS (RIPE_NCC)IP poolsGB
81.144.40.0/21WHOIS (RIPE_NCC)BTTEL NetworkGB
81.144.64.0/21WHOIS (RIPE_NCC)BB Inf SupportGB
81.144.112.0/21WHOIS (RIPE_NCC)MIDBANDGB
81.145.0.0/21WHOIS (RIPE_NCC)VPN Converge LoopbacksGB
81.145.248.0/21WHOIS (RIPE_NCC)IP poolsGB
81.146.240.0/21WHOIS (RIPE_NCC)BT-MIDBANDGB
81.147.16.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.24.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.32.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.56.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.64.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.72.0/21WHOIS (RIPE_NCC)IP poolsGB
81.147.80.0/21WHOIS (RIPE_NCC)IP poolsGB

Nearby Ranges

RangeASN
81.127.188.0/22AS213677 Fibercop S.p.A.
81.127.192.0/18AS213677 Fibercop S.p.A.
81.127.192.0/19AS213677 Fibercop S.p.A.
81.127.224.0/19AS213677 Fibercop S.p.A.
81.128.0.0/12AS2856 British Telecommunications Limited
81.160.128.0/17AS47169 Pro-M Zrt.
81.161.0.0/23AS6282 Fiber Optical Network LLC
81.161.2.0/23AS6282 Fiber Optical Network LLC
81.161.4.0/22AS3561 CenturyLink Communications, LLC
81.161.8.0/22AS50835 EANCENTER TELECOM LLC