AS2856 81.128.139.0/24 CIDR and IP Range Summary.ASN: 2856 - British Telecommunications PlcHost Count: 254Addressable IPs: 256 81.128.139.081.128.139.181.128.139.281.128.139.381.128.139.481.128.139.581.128.139.681.128.139.781.128.139.881.128.139.981.128.139.1081.128.139.1181.128.139.1281.128.139.1381.128.139.1481.128.139.1581.128.139.1681.128.139.1781.128.139.1881.128.139.1981.128.139.2081.128.139.2181.128.139.2281.128.139.2381.128.139.2481.128.139.2581.128.139.2681.128.139.2781.128.139.2881.128.139.2981.128.139.3081.128.139.3181.128.139.3281.128.139.3381.128.139.3481.128.139.3581.128.139.3681.128.139.3781.128.139.3881.128.139.3981.128.139.4081.128.139.4181.128.139.4281.128.139.4381.128.139.4481.128.139.4581.128.139.4681.128.139.4781.128.139.4881.128.139.4981.128.139.5081.128.139.5181.128.139.5281.128.139.5381.128.139.5481.128.139.5581.128.139.5681.128.139.5781.128.139.5881.128.139.5981.128.139.6081.128.139.6181.128.139.6281.128.139.6381.128.139.6481.128.139.6581.128.139.6681.128.139.6781.128.139.6881.128.139.6981.128.139.7081.128.139.7181.128.139.7281.128.139.7381.128.139.7481.128.139.7581.128.139.7681.128.139.7781.128.139.7881.128.139.7981.128.139.8081.128.139.8181.128.139.8281.128.139.8381.128.139.8481.128.139.8581.128.139.8681.128.139.8781.128.139.8881.128.139.8981.128.139.9081.128.139.9181.128.139.9281.128.139.9381.128.139.9481.128.139.9581.128.139.9681.128.139.9781.128.139.9881.128.139.9981.128.139.10081.128.139.10181.128.139.10281.128.139.10381.128.139.10481.128.139.10581.128.139.10681.128.139.10781.128.139.10881.128.139.10981.128.139.11081.128.139.11181.128.139.11281.128.139.11381.128.139.11481.128.139.11581.128.139.11681.128.139.11781.128.139.11881.128.139.11981.128.139.12081.128.139.12181.128.139.12281.128.139.12381.128.139.12481.128.139.12581.128.139.12681.128.139.12781.128.139.12881.128.139.12981.128.139.13081.128.139.13181.128.139.13281.128.139.13381.128.139.13481.128.139.13581.128.139.13681.128.139.13781.128.139.13881.128.139.13981.128.139.14081.128.139.14181.128.139.14281.128.139.14381.128.139.14481.128.139.14581.128.139.14681.128.139.14781.128.139.14881.128.139.14981.128.139.15081.128.139.15181.128.139.15281.128.139.15381.128.139.15481.128.139.15581.128.139.15681.128.139.15781.128.139.15881.128.139.15981.128.139.16081.128.139.16181.128.139.16281.128.139.16381.128.139.16481.128.139.16581.128.139.16681.128.139.16781.128.139.16881.128.139.16981.128.139.17081.128.139.17181.128.139.17281.128.139.17381.128.139.17481.128.139.17581.128.139.17681.128.139.17781.128.139.17881.128.139.17981.128.139.18081.128.139.18181.128.139.18281.128.139.18381.128.139.18481.128.139.18581.128.139.18681.128.139.18781.128.139.18881.128.139.18981.128.139.19081.128.139.19181.128.139.19281.128.139.19381.128.139.19481.128.139.19581.128.139.19681.128.139.19781.128.139.19881.128.139.19981.128.139.20081.128.139.20181.128.139.20281.128.139.20381.128.139.20481.128.139.20581.128.139.20681.128.139.20781.128.139.20881.128.139.20981.128.139.21081.128.139.21181.128.139.21281.128.139.21381.128.139.21481.128.139.21581.128.139.21681.128.139.21781.128.139.21881.128.139.21981.128.139.22081.128.139.22181.128.139.22281.128.139.22381.128.139.22481.128.139.22581.128.139.22681.128.139.22781.128.139.22881.128.139.22981.128.139.23081.128.139.23181.128.139.23281.128.139.23381.128.139.23481.128.139.23581.128.139.23681.128.139.23781.128.139.23881.128.139.23981.128.139.24081.128.139.24181.128.139.24281.128.139.24381.128.139.24481.128.139.24581.128.139.24681.128.139.24781.128.139.24881.128.139.24981.128.139.25081.128.139.25181.128.139.25281.128.139.25381.128.139.25481.128.139.255