Summary

ASN	AS2856 British Telecommunications PLC
BGP	109.144.0.0/12
IPs with RDNS	68
Hosted Domains	0
Pingable IPs	152
Router IPs	68


109.144.172.0	—	0
109.144.172.1	—	0
109.144.172.2	—	0
109.144.172.3	ftip008517081.acc6.faraday.21cn-nte.bt.net	0
109.144.172.4	—	0
109.144.172.5	ftip008517289.acc6.faraday.21cn-nte.bt.net	0
109.144.172.6	—	0
109.144.172.7	ftip008517487.acc4.mr.21cn-nte.bt.net	0
109.144.172.8	—	0
109.144.172.9	ftip004430254.acc6.faraday.21cn-nte.bt.net	0
109.144.172.10	—	0
109.144.172.11	—	0
109.144.172.12	—	0
109.144.172.13	ftip008518880.acc6.faraday.21cn-nte.bt.net	0
109.144.172.14	—	0
109.144.172.15	ftip008967084-ms-lb.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.16	—	0
109.144.172.17	—	0
109.144.172.18	—	0
109.144.172.19	ftip008519481.acc4.mr.21cn-nte.bt.net	0
109.144.172.20	—	0
109.144.172.21	ftip008519689.acc6.faraday.21cn-nte.bt.net	0
109.144.172.22	—	0
109.144.172.23	—	0
109.144.172.24	—	0
109.144.172.25	ftip008519696.acc4.mr.21cn-nte.bt.net	0
109.144.172.26	—	0
109.144.172.27	ftip008519894.acc6.faraday.21cn-nte.bt.net	0
109.144.172.28	—	0
109.144.172.29	ftip008519887.acc4.sf.21cn-nte.bt.net	0
109.144.172.30	—	0
109.144.172.31	ftip008520081.acc3.colindale.21cn-nte.bt.net	0
109.144.172.32	—	0
109.144.172.33	ftip008520289.acc3.kingston.21cn-nte.bt.net	0
109.144.172.34	—	0
109.144.172.35	ftip008520098.acc1.guildford.21cn-nte.bt.net	0
109.144.172.36	—	0
109.144.172.37	—	0
109.144.172.38	—	0
109.144.172.39	—	0
109.144.172.40	—	0
109.144.172.41	—	0
109.144.172.42	—	0
109.144.172.43	ftip008520487.acc6.faraday.21cn-nte.bt.net	0
109.144.172.44	—	0
109.144.172.45	ftip003520765.acc3.colindale.21cn-nte.bt.net	0
109.144.172.46	—	0
109.144.172.47	ftip008520494.acc4.mr.21cn-nte.bt.net	0
109.144.172.48	—	0
109.144.172.49	ftip004382829.acc4.sf.21cn-nte.bt.net	0
109.144.172.50	—	0
109.144.172.51	—	0
109.144.172.52	—	0
109.144.172.53	ftip008520692.acc4.sf.21cn-nte.bt.net	0
109.144.172.54	—	0
109.144.172.55	—	0
109.144.172.56	—	0
109.144.172.57	—	0
109.144.172.58	—	0
109.144.172.59	ftip008521088.acc3.colindale.21cn-nte.bt.net	0
109.144.172.60	—	0
109.144.172.61	ftip008521286.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.62	—	0
109.144.172.63	ftip008521309.acc6.faraday.21cn-nte.bt.net	0
109.144.172.64	—	0
109.144.172.65	ftip008521293.acc3.colindale.21cn-nte.bt.net	0
109.144.172.66	—	0
109.144.172.67	ftip005535385.acc3.colindale.21cn-nte.bt.net	0
109.144.172.68	—	0
109.144.172.69	ftip008521316.acc4.mr.21cn-nte.bt.net	0
109.144.172.70	—	0
109.144.172.71	ftip008967084-v1-lb.acc4.sf.21cn-nte.bt.net	0
109.144.172.72	—	0
109.144.172.73	ftip008464286.acc3.kingston.21cn-nte.bt.net	0
109.144.172.74	—	0
109.144.172.75	ftip004906629.acc4.birmingham.ukcore.bt.net	0
109.144.172.76	—	0
109.144.172.77	—	0
109.144.172.78	—	0
109.144.172.79	ftip004011064.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.80	—	0
109.144.172.81	—	0
109.144.172.82	—	0
109.144.172.83	—	0
109.144.172.84	—	0
109.144.172.85	—	0
109.144.172.86	—	0
109.144.172.87	ftip008517685.acc4.mr.21cn-nte.bt.net	0
109.144.172.88	—	0
109.144.172.89	ftip008967282.acc3.colindale.21cn-nte.bt.net	0
109.144.172.90	—	0
109.144.172.91	—	0
109.144.172.92	—	0
109.144.172.93	ftip008522498.acc6.faraday.21cn-nte.bt.net	0
109.144.172.94	—	0
109.144.172.95	ftip008522481.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.96	—	0
109.144.172.97	ftip006737023.acc6.faraday.21cn-nte.bt.net	0
109.144.172.98	—	0
109.144.172.99	—	0
109.144.172.100	—	0
109.144.172.101	ftip008966889.acc4.mr.21cn-ipp.bt.net	0
109.144.172.102	—	0
109.144.172.103	ftip008522887.acc4.sf.21cn-nte.bt.net	0
109.144.172.104	—	0
109.144.172.105	ftip008523082.acc6.faraday.21cn-nte.bt.net	0
109.144.172.106	—	0
109.144.172.107	ftip007987885.acc6.faraday.21cn-nte.bt.net	0
109.144.172.108	—	0
109.144.172.109	ftip008523280.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.110	—	0
109.144.172.111	ftip008523488.acc6.faraday.21cn-nte.bt.net	0
109.144.172.112	—	0
109.144.172.113	—	0
109.144.172.114	—	0
109.144.172.115	ftip008965516.acc6.faraday.ukcore.bt.net	0
109.144.172.116	—	0
109.144.172.117	ftip008524102.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.118	—	0
109.144.172.119	ftip008524300.acc3.colindale.21cn-nte.bt.net	0
109.144.172.120	—	0
109.144.172.121	—	0
109.144.172.122	—	0
109.144.172.123	—	0
109.144.172.124	—	0
109.144.172.125	ftip008515889.acc4.mr.21cn-nte.bt.net	0
109.144.172.126	—	0
109.144.172.127	ftip003624340.acc6.faraday.21cn-nte.bt.net	0
109.144.172.128	—	0
109.144.172.129	ftip005926220.acc3.colindale.ukcore.bt.net	0
109.144.172.130	—	0
109.144.172.131	—	0
109.144.172.132	—	0
109.144.172.133	—	0
109.144.172.134	—	0
109.144.172.135	—	0
109.144.172.136	—	0
109.144.172.137	ftip003187661.acc1.guildford.21cn-nte.bt.net	0
109.144.172.138	—	0
109.144.172.139	—	0
109.144.172.140	—	0
109.144.172.141	ftip008514691.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.142	—	0
109.144.172.143	—	0
109.144.172.144	—	0
109.144.172.145	ftip004974635.acc6.faraday.21cn-nte.bt.net	0
109.144.172.146	—	0
109.144.172.147	ftip008966698.acc4.mr.21cn-nte.bt.net	0
109.144.172.148	—	0
109.144.172.149	—	0
109.144.172.150	—	0
109.144.172.151	—	0
109.144.172.152	—	0
109.144.172.153	—	0
109.144.172.154	—	0
109.144.172.155	ftip008525895-ms-fo.acc3.colindale.21cn-nte.bt.net	0
109.144.172.156	—	0
109.144.172.157	—	0
109.144.172.158	—	0
109.144.172.159	—	0
109.144.172.160	—	0
109.144.172.161	ftip008525895-v1-fo.acc6.faraday.21cn-nte.bt.net	0
109.144.172.162	—	0
109.144.172.163	—	0
109.144.172.164	—	0
109.144.172.165	ftip008525680.acc3.colindale.ukcore.bt.net	0
109.144.172.166	—	0
109.144.172.167	—	0
109.144.172.168	—	0
109.144.172.169	—	0
109.144.172.170	—	0
109.144.172.171	—	0
109.144.172.172	—	0
109.144.172.173	ftip005480227.acc4.sheffield.ukcore.bt.net	0
109.144.172.174	—	0
109.144.172.175	—	0
109.144.172.176	—	0
109.144.172.177	—	0
109.144.172.178	—	0
109.144.172.179	—	0
109.144.172.180	—	0
109.144.172.181	—	0
109.144.172.182	—	0
109.144.172.183	—	0
109.144.172.184	—	0
109.144.172.185	—	0
109.144.172.186	—	0
109.144.172.187	—	0
109.144.172.188	—	0
109.144.172.189	—	0
109.144.172.190	—	0
109.144.172.191	ftip008526090.acc6.faraday.21cn-nte.bt.net	0
109.144.172.192	—	0
109.144.172.193	—	0
109.144.172.194	—	0
109.144.172.195	—	0
109.144.172.196	—	0
109.144.172.197	ftip008513281.acc4.mr.21cn-nte.bt.net	0
109.144.172.198	—	0
109.144.172.199	ftip008528353.acc4.mr.21cn-nte.bt.net	0
109.144.172.200	—	0
109.144.172.201	ftip008528292.acc4.mr.21cn-nte.bt.net	0
109.144.172.202	—	0
109.144.172.203	—	0
109.144.172.204	—	0
109.144.172.205	ftip005363261.acc1.guildford.21cn-nte.bt.net	0
109.144.172.206	—	0
109.144.172.207	—	0
109.144.172.208	—	0
109.144.172.209	—	0
109.144.172.210	—	0
109.144.172.211	—	0
109.144.172.212	—	0
109.144.172.213	—	0
109.144.172.214	—	0
109.144.172.215	ftip008529282.acc6.faraday.21cn-nte.bt.net	0
109.144.172.216	—	0
109.144.172.217	—	0
109.144.172.218	—	0
109.144.172.219	—	0
109.144.172.220	—	0
109.144.172.221	—	0
109.144.172.222	—	0
109.144.172.223	—	0
109.144.172.224	—	0
109.144.172.225	—	0
109.144.172.226	—	0
109.144.172.227	—	0
109.144.172.228	—	0
109.144.172.229	ftip008527097-ms-fo.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.230	—	0
109.144.172.231	ftip008529909.acc4.mr.21cn-nte.bt.net	0
109.144.172.232	—	0
109.144.172.233	ftip008529923.acc4.sf.21cn-nte.bt.net	0
109.144.172.234	—	0
109.144.172.235	—	0
109.144.172.236	—	0
109.144.172.237	ftip008527097-v1-fo.acc3.colindale.21cn-nte.bt.net	0
109.144.172.238	—	0
109.144.172.239	—	0
109.144.172.240	—	0
109.144.172.241	ftip008528094.acc4.birmingham.21cn-nte.bt.net	0
109.144.172.242	—	0
109.144.172.243	#n/a	0
109.144.172.244	—	0
109.144.172.245	ftip008529930.acc3.colindale.21cn-nte.bt.net	0
109.144.172.246	—	0
109.144.172.247	ftip008528117.acc4.mr.21cn-nte.bt.net	0
109.144.172.248	—	0
109.144.172.249	—	0
109.144.172.250	—	0
109.144.172.251	—	0
109.144.172.252	—	0
109.144.172.253	—	0
109.144.172.254	—	0
109.144.172.255	—	0

Traceroute

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

traceroute -a -n -q1 -f4 109.144.172.140

traceroute to 109.144.172.140 (109.144.172.140): 64 hops max, 52 byte packets

4 [AS2856] 195.99.125.68 23.99 ms

5 [AS2856] 109.159.252.239 25.594 ms

6 [AS2856] 109.144.172.140 28.224 ms

Measurement taken from

IPinfo ProbeNet in Madrid, ES

On January 19th 2026