Summary

ASN	AS2856 British Telecommunications PLC
BGP	212.140.0.0/16
IPs with RDNS	55
Hosted Domains	0
Pingable IPs	80
Router IPs	45


212.140.91.0	—	0
212.140.91.1	—	0
212.140.91.2	—	0
212.140.91.3	ftip006660260.acc4.mr.21cn-nte.bt.net	0
212.140.91.4	—	0
212.140.91.5	ftip007677687.acc4.faraday.21cn-nte.bt.net	0
212.140.91.6	—	0
212.140.91.7	—	0
212.140.91.8	—	0
212.140.91.9	—	0
212.140.91.10	—	0
212.140.91.11	ftip006005313-v1-lb.acc4.sheffield.21cn-nte.bt.net	0
212.140.91.12	—	0
212.140.91.13	ftip006660307.acc4.mr.21cn-nte.bt.net	0
212.140.91.14	—	0
212.140.91.15	—	0
212.140.91.16	—	0
212.140.91.17	ftip005732623.l-nws.21cn-ipp.bt.net	0
212.140.91.18	—	0
212.140.91.19	—	0
212.140.91.20	—	0
212.140.91.21	ftip006660420.acc4.mr.21cn-nte.bt.net	0
212.140.91.22	—	0
212.140.91.23	ftip002977157.access2.birmingham.fixed-nte.bt.net	0
212.140.91.24	—	0
212.140.91.25	ftip003485583-v1-bk.acc2.colindale.21cn-nte.bt.net	0
212.140.91.26	—	0
212.140.91.27	—	0
212.140.91.28	—	0
212.140.91.29	—	0
212.140.91.30	—	0
212.140.91.31	—	0
212.140.91.32	—	0
212.140.91.33	—	0
212.140.91.34	—	0
212.140.91.35	ftip005732647-ms-lb.acc2.faraday.21cn-nte.bt.net	0
212.140.91.36	—	0
212.140.91.37	ftip006005320-ms-bk.acc4.sf.21cn-nte.bt.net	0
212.140.91.38	—	0
212.140.91.39	—	0
212.140.91.40	—	0
212.140.91.41	ftip003415795-ms-lb.access2.birmingham.fixed-nte.bt.net	0
212.140.91.42	—	0
212.140.91.43	ftip005897070.acc2.faraday.21cn-nte.bt.net	0
212.140.91.44	—	0
212.140.91.45	—	0
212.140.91.46	—	0
212.140.91.47	ftip006659851.acc4.mr.21cn-nte.bt.net	0
212.140.91.48	—	0
212.140.91.49	—	0
212.140.91.50	—	0
212.140.91.51	—	0
212.140.91.52	—	0
212.140.91.53	ftip005179220-v2-fo.acc4.mr.21cn-nte.bt.net	0
212.140.91.54	—	0
212.140.91.55	—	0
212.140.91.56	—	0
212.140.91.57	ftip007015045.acc2.kingston.21cn-nte.bt.net	0
212.140.91.58	—	0
212.140.91.59	—	0
212.140.91.60	—	0
212.140.91.61	—	0
212.140.91.62	—	0
212.140.91.63	ftip005824236.acc1.faraday.21cn-nte.bt.net	0
212.140.91.64	—	0
212.140.91.65	—	0
212.140.91.66	—	0
212.140.91.67	—	0
212.140.91.68	—	0
212.140.91.69	—	0
212.140.91.70	—	0
212.140.91.71	ftip007274633.acc3.sf.21cn-nte.bt.net	0
212.140.91.72	—	0
212.140.91.73	ftip003432297.access2.birmingham.fixed-nte.bt.net	0
212.140.91.74	—	0
212.140.91.75	—	0
212.140.91.76	—	0
212.140.91.77	—	0
212.140.91.78	—	0
212.140.91.79	ftip003439548-ms-lb.access2.birmingham.fixed-nte.bt.net	0
212.140.91.80	—	0
212.140.91.81	ftip003423714-v1-fo.access2.birmingham.fixed-nte.bt.net	0
212.140.91.82	—	0
212.140.91.83	—	0
212.140.91.84	—	0
212.140.91.85	—	0
212.140.91.86	—	0
212.140.91.87	—	0
212.140.91.88	—	0
212.140.91.89	—	0
212.140.91.90	—	0
212.140.91.91	—	0
212.140.91.92	—	0
212.140.91.93	—	0
212.140.91.94	—	0
212.140.91.95	—	0
212.140.91.96	—	0
212.140.91.97	ftip003107607.acc3.sf.21cn-ipp.bt.net	0
212.140.91.98	—	0
212.140.91.99	—	0
212.140.91.100	—	0
212.140.91.101	ftip004766230.acc1.kingston.21cn-nte.bt.net	0
212.140.91.102	—	0
212.140.91.103	—	0
212.140.91.104	—	0
212.140.91.105	ftip006660468.acc4.birmingham.21cn-nte.bt.net	0
212.140.91.106	—	0
212.140.91.107	—	0
212.140.91.108	—	0
212.140.91.109	ftip007671166.acc4.faraday.21cn-nte.bt.net	0
212.140.91.110	—	0
212.140.91.111	—	0
212.140.91.112	—	0
212.140.91.113	—	0
212.140.91.114	—	0
212.140.91.115	—	0
212.140.91.116	—	0
212.140.91.117	—	0
212.140.91.118	—	0
212.140.91.119	ftip007263828.acc2.kingston.21cn-nte.bt.net	0
212.140.91.120	—	0
212.140.91.121	—	0
212.140.91.122	—	0
212.140.91.123	ftip007274640.acc2.colindale.21cn-nte.bt.net	0
212.140.91.124	—	0
212.140.91.125	—	0
212.140.91.126	—	0
212.140.91.127	ftip007689888.acc3.birmingham.21cn-nte.bt.net	0
212.140.91.128	—	0
212.140.91.129	ftip007076237.acc2.colindale.21cn-nte.bt.net	0
212.140.91.130	—	0
212.140.91.131	ftip006660451-ms-fo.acc2.colindale.21cn-nte.bt.net	0
212.140.91.132	—	0
212.140.91.133	ftip004765455.acc3.sf.21cn-ipp.bt.net	0
212.140.91.134	—	0
212.140.91.135	ftip006817909.acc4.birmingham.21cn-nte.bt.net	0
212.140.91.136	—	0
212.140.91.137	—	0
212.140.91.138	—	0
212.140.91.139	—	0
212.140.91.140	—	0
212.140.91.141	—	0
212.140.91.142	—	0
212.140.91.143	—	0
212.140.91.144	—	0
212.140.91.145	—	0
212.140.91.146	—	0
212.140.91.147	—	0
212.140.91.148	—	0
212.140.91.149	ftip006660451-v1-fo.acc4.birmingham.21cn-nte.bt.net	0
212.140.91.150	—	0
212.140.91.151	ftip005118830.acc2.faraday.21cn-nte.bt.net	0
212.140.91.152	—	0
212.140.91.153	—	0
212.140.91.154	—	0
212.140.91.155	—	0
212.140.91.156	—	0
212.140.91.157	ftip004765042.acc4.faraday.21cn-nte.bt.net	0
212.140.91.158	—	0
212.140.91.159	ftip004499824.acc2.colindale.21cn-nte.bt.net	0
212.140.91.160	—	0
212.140.91.161	—	0
212.140.91.162	—	0
212.140.91.163	ftip004767220.acc3.birmingham.21cn-nte.bt.net	0
212.140.91.164	—	0
212.140.91.165	ftip004767046.acc4.faraday.21cn-nte.bt.net	0
212.140.91.166	—	0
212.140.91.167	ftip003243152.acc4.mr.21cn-nte.bt.net	0
212.140.91.168	—	0
212.140.91.169	ftip003204832.acc3.sf.21cn-ipp.bt.net	0
212.140.91.170	—	0
212.140.91.171	ftip004343585.acc3.sf.21cn-ipp.bt.net	0
212.140.91.172	—	0
212.140.91.173	—	0
212.140.91.174	—	0
212.140.91.175	—	0
212.140.91.176	—	0
212.140.91.177	—	0
212.140.91.178	—	0
212.140.91.179	—	0
212.140.91.180	—	0
212.140.91.181	ftip007592157.acc2.guildford.21cn-nte.bt.net	0
212.140.91.182	—	0
212.140.91.183	—	0
212.140.91.184	—	0
212.140.91.185	ftip006659905-ms-fo.acc4.sf.21cn-nte.bt.net	0
212.140.91.186	—	0
212.140.91.187	—	0
212.140.91.188	—	0
212.140.91.189	ftip006659905-v1-fo.acc4.birmingham.21cn-nte.bt.net	0
212.140.91.190	—	0
212.140.91.191	—	0
212.140.91.192	—	0
212.140.91.193	—	0
212.140.91.194	—	0
212.140.91.195	—	0
212.140.91.196	—	0
212.140.91.197	ftip007012624.acc4.mr.21cn-nte.bt.net	0
212.140.91.198	—	0
212.140.91.199	ftip005732647-v1-lb.l-nws.21cn-ipp.bt.net	0
212.140.91.200	—	0
212.140.91.201	—	0
212.140.91.202	—	0
212.140.91.203	ftip004705833.acc3.sf.21cn-ipp.bt.net	0
212.140.91.204	—	0
212.140.91.205	ftip006019877.acc4.sheffield.21cn-nte.bt.net	0
212.140.91.206	—	0
212.140.91.207	—	0
212.140.91.208	—	0
212.140.91.209	—	0
212.140.91.210	—	0
212.140.91.211	—	0
212.140.91.212	—	0
212.140.91.213	—	0
212.140.91.214	—	0
212.140.91.215	—	0
212.140.91.216	—	0
212.140.91.217	—	0
212.140.91.218	—	0
212.140.91.219	—	0
212.140.91.220	—	0
212.140.91.221	—	0
212.140.91.222	—	0
212.140.91.223	—	0
212.140.91.224	—	0
212.140.91.225	—	0
212.140.91.226	—	0
212.140.91.227	ftip004768494-ms-fo.acc3.sf.21cn-ipp.bt.net	0
212.140.91.228	—	0
212.140.91.229	—	0
212.140.91.230	—	0
212.140.91.231	ftip005733224-ms-bk.acc4.sheffield.21cn-nte.bt.net	0
212.140.91.232	—	0
212.140.91.233	ftip004768494-v1-fo.acc3.birmingham.21cn-nte.bt.net	0
212.140.91.234	—	0
212.140.91.235	—	0
212.140.91.236	—	0
212.140.91.237	ftip004703426.acc3.sf.21cn-ipp.bt.net	0
212.140.91.238	—	0
212.140.91.239	ftip004768579.acc3.sf.21cn-ipp.bt.net	0
212.140.91.240	—	0
212.140.91.241	ftip007677281-v1-fo.acc2.colindale.21cn-nte.bt.net	0
212.140.91.242	—	0
212.140.91.243	ftip005732029.l-nws.21cn-ipp.bt.net	0
212.140.91.244	—	0
212.140.91.245	—	0
212.140.91.246	—	0
212.140.91.247	—	0
212.140.91.248	—	0
212.140.91.249	—	0
212.140.91.250	—	0
212.140.91.251	ftip006659868.acc2.kingston.21cn-nte.bt.net	0
212.140.91.252	—	0
212.140.91.253	—	0
212.140.91.254	—	0
212.140.91.255	—	0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f3 212.140.91.78

traceroute to 212.140.91.78 (212.140.91.78): 64 hops max, 52 byte packets

3 [AS3223] 5.254.78.149 12.83 ms

4 [] 195.66.224.10 2.254 ms

5 [AS2856] 194.72.16.139 2.802 ms

6 [AS2856] 212.140.91.78 7.218 ms

Measurement taken from

IPinfo ProbeNet in Portsmouth, GB

On December 14th 2025