AS6871 51.9.99.0/24 CIDR and IP Range Summary.ASN: 6871 - British Telecommunications PLCHost Count: 254Addressable IPs: 256 51.9.99.051.9.99.151.9.99.251.9.99.351.9.99.451.9.99.551.9.99.651.9.99.751.9.99.851.9.99.951.9.99.1051.9.99.1151.9.99.1251.9.99.1351.9.99.1451.9.99.1551.9.99.1651.9.99.1751.9.99.1851.9.99.1951.9.99.2051.9.99.2151.9.99.2251.9.99.2351.9.99.2451.9.99.2551.9.99.2651.9.99.2751.9.99.2851.9.99.2951.9.99.3051.9.99.3151.9.99.3251.9.99.3351.9.99.3451.9.99.3551.9.99.3651.9.99.3751.9.99.3851.9.99.3951.9.99.4051.9.99.4151.9.99.4251.9.99.4351.9.99.4451.9.99.4551.9.99.4651.9.99.4751.9.99.4851.9.99.4951.9.99.5051.9.99.5151.9.99.5251.9.99.5351.9.99.5451.9.99.5551.9.99.5651.9.99.5751.9.99.5851.9.99.5951.9.99.6051.9.99.6151.9.99.6251.9.99.6351.9.99.6451.9.99.6551.9.99.6651.9.99.6751.9.99.6851.9.99.6951.9.99.7051.9.99.7151.9.99.7251.9.99.7351.9.99.7451.9.99.7551.9.99.7651.9.99.7751.9.99.7851.9.99.7951.9.99.8051.9.99.8151.9.99.8251.9.99.8351.9.99.8451.9.99.8551.9.99.8651.9.99.8751.9.99.8851.9.99.8951.9.99.9051.9.99.9151.9.99.9251.9.99.9351.9.99.9451.9.99.9551.9.99.9651.9.99.9751.9.99.9851.9.99.9951.9.99.10051.9.99.10151.9.99.10251.9.99.10351.9.99.10451.9.99.10551.9.99.10651.9.99.10751.9.99.10851.9.99.10951.9.99.11051.9.99.11151.9.99.11251.9.99.11351.9.99.11451.9.99.11551.9.99.11651.9.99.11751.9.99.11851.9.99.11951.9.99.12051.9.99.12151.9.99.12251.9.99.12351.9.99.12451.9.99.12551.9.99.12651.9.99.12751.9.99.12851.9.99.12951.9.99.13051.9.99.13151.9.99.13251.9.99.13351.9.99.13451.9.99.13551.9.99.13651.9.99.13751.9.99.13851.9.99.13951.9.99.14051.9.99.14151.9.99.14251.9.99.14351.9.99.14451.9.99.14551.9.99.14651.9.99.14751.9.99.14851.9.99.14951.9.99.15051.9.99.15151.9.99.15251.9.99.15351.9.99.15451.9.99.15551.9.99.15651.9.99.15751.9.99.15851.9.99.15951.9.99.16051.9.99.16151.9.99.16251.9.99.16351.9.99.16451.9.99.16551.9.99.16651.9.99.16751.9.99.16851.9.99.16951.9.99.17051.9.99.17151.9.99.17251.9.99.17351.9.99.17451.9.99.17551.9.99.17651.9.99.17751.9.99.17851.9.99.17951.9.99.18051.9.99.18151.9.99.18251.9.99.18351.9.99.18451.9.99.18551.9.99.18651.9.99.18751.9.99.18851.9.99.18951.9.99.19051.9.99.19151.9.99.19251.9.99.19351.9.99.19451.9.99.19551.9.99.19651.9.99.19751.9.99.19851.9.99.19951.9.99.20051.9.99.20151.9.99.20251.9.99.20351.9.99.20451.9.99.20551.9.99.20651.9.99.20751.9.99.20851.9.99.20951.9.99.21051.9.99.21151.9.99.21251.9.99.21351.9.99.21451.9.99.21551.9.99.21651.9.99.21751.9.99.21851.9.99.21951.9.99.22051.9.99.22151.9.99.22251.9.99.22351.9.99.22451.9.99.22551.9.99.22651.9.99.22751.9.99.22851.9.99.22951.9.99.23051.9.99.23151.9.99.23251.9.99.23351.9.99.23451.9.99.23551.9.99.23651.9.99.23751.9.99.23851.9.99.23951.9.99.24051.9.99.24151.9.99.24251.9.99.24351.9.99.24451.9.99.24551.9.99.24651.9.99.24751.9.99.24851.9.99.24951.9.99.25051.9.99.25151.9.99.25251.9.99.25351.9.99.25451.9.99.255