Summary

ASN	AS2856 British Telecommunications PLC
BGP	31.48.0.0/13
IPs with RDNS	65
Hosted Domains	0
Pingable IPs	92
Router IPs	50


31.55.138.0	—	0
31.55.138.1	—	0
31.55.138.2	—	0
31.55.138.3	ftip005991044-v1-lb.acc2.faraday.21cn-nte.bt.net	0
31.55.138.4	—	0
31.55.138.5	—	0
31.55.138.6	—	0
31.55.138.7	—	0
31.55.138.8	—	0
31.55.138.9	ftip004941231-v1-bk.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.10	—	0
31.55.138.11	ftip004941231-ms-bk.acc3.sf.21cn-ipp.bt.net	0
31.55.138.12	—	0
31.55.138.13	—	0
31.55.138.14	—	0
31.55.138.15	—	0
31.55.138.16	—	0
31.55.138.17	—	0
31.55.138.18	—	0
31.55.138.19	—	0
31.55.138.20	—	0
31.55.138.21	—	0
31.55.138.22	—	0
31.55.138.23	—	0
31.55.138.24	—	0
31.55.138.25	—	0
31.55.138.26	—	0
31.55.138.27	—	0
31.55.138.28	—	0
31.55.138.29	—	0
31.55.138.30	—	0
31.55.138.31	ftip006740832.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.32	—	0
31.55.138.33	ftip005991624.acc2.colindale.21cn-nte.bt.net	0
31.55.138.34	—	0
31.55.138.35	ftip004911661.acc1.birmingham.21cn-nte.bt.net	0
31.55.138.36	—	0
31.55.138.37	—	0
31.55.138.38	—	0
31.55.138.39	ftip007289873.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.40	—	0
31.55.138.41	—	0
31.55.138.42	—	0
31.55.138.43	ftip004942429.acc1.kingston.21cn-nte.bt.net	0
31.55.138.44	—	0
31.55.138.45	ftip004940029.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.46	—	0
31.55.138.47	ftip007289866.acc1.birmingham.21cn-nte.bt.net	0
31.55.138.48	—	0
31.55.138.49	ftip003456668-ms-bk.acc3.sf.21cn-ipp.bt.net	0
31.55.138.50	—	0
31.55.138.51	—	0
31.55.138.52	—	0
31.55.138.53	ftip003456668-v1-bk.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.54	—	0
31.55.138.55	—	0
31.55.138.56	—	0
31.55.138.57	ftip003269589.acc1.birmingham.21cn-nte.bt.net	0
31.55.138.58	—	0
31.55.138.59	ftip005243839.acc1.faraday.21cn-nte.bt.net	0
31.55.138.60	—	0
31.55.138.61	—	0
31.55.138.62	—	0
31.55.138.63	—	0
31.55.138.64	—	0
31.55.138.65	—	0
31.55.138.66	—	0
31.55.138.67	—	0
31.55.138.68	—	0
31.55.138.69	ftip005991846.acc2.colindale.21cn-nte.bt.net	0
31.55.138.70	—	0
31.55.138.71	ftip006739867.acc2.colindale.21cn-nte.bt.net	0
31.55.138.72	—	0
31.55.138.73	ftip006741020.acc4.faraday.21cn-nte.bt.net	0
31.55.138.74	—	0
31.55.138.75	—	0
31.55.138.76	—	0
31.55.138.77	—	0
31.55.138.78	—	0
31.55.138.79	—	0
31.55.138.80	—	0
31.55.138.81	—	0
31.55.138.82	—	0
31.55.138.83	ftip007289866.acc3.sf.21cn-nte.bt.net	0
31.55.138.84	—	0
31.55.138.85	ftip003055649.acc3.sf.21cn-ipp.bt.net	0
31.55.138.86	—	0
31.55.138.87	—	0
31.55.138.88	—	0
31.55.138.89	—	0
31.55.138.90	—	0
31.55.138.91	ftip003078815-ms-fo.acc1.kingston.21cn-nte.bt.net	0
31.55.138.92	—	0
31.55.138.93	ftip003078815-v2-fo.acc4.faraday.21cn-nte.bt.net	0
31.55.138.94	—	0
31.55.138.95	ftip005195428.acc3.sf.21cn-ipp.bt.net	0
31.55.138.96	—	0
31.55.138.97	—	0
31.55.138.98	—	0
31.55.138.99	—	0
31.55.138.100	—	0
31.55.138.101	ftip005585847.acc5.faraday.21cn-nte.bt.net	0
31.55.138.102	—	0
31.55.138.103	ftip004944430.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.104	—	0
31.55.138.105	—	0
31.55.138.106	—	0
31.55.138.107	—	0
31.55.138.108	—	0
31.55.138.109	—	0
31.55.138.110	—	0
31.55.138.111	ftip007289620-ms-bk.acc4.mr.21cn-nte.bt.net	0
31.55.138.112	—	0
31.55.138.113	—	0
31.55.138.114	—	0
31.55.138.115	ftip007604188-v1-fo.acc2.colindale.21cn-nte.bt.net	0
31.55.138.116	—	0
31.55.138.117	ftip004945024.acc3.sf.21cn-ipp.bt.net	0
31.55.138.118	—	0
31.55.138.119	ftip007290244.acc3.sf.21cn-nte.bt.net	0
31.55.138.120	—	0
31.55.138.121	ftip004945048.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.122	—	0
31.55.138.123	ftip007289620-v1-bk.acc2.colindale.21cn-nte.bt.net	0
31.55.138.124	—	0
31.55.138.125	—	0
31.55.138.126	—	0
31.55.138.127	ftip006964832.acc2.guildford.21cn-nte.bt.net	0
31.55.138.128	—	0
31.55.138.129	—	0
31.55.138.130	—	0
31.55.138.131	—	0
31.55.138.132	—	0
31.55.138.133	ftip004912224.acc3.sf.21cn-ipp.bt.net	0
31.55.138.134	—	0
31.55.138.135	ftip007289668.acc5.faraday.21cn-nte.bt.net	0
31.55.138.136	—	0
31.55.138.137	—	0
31.55.138.138	—	0
31.55.138.139	ftip004437826-ms-fo.acc3.sf.21cn-nte.bt.net	0
31.55.138.140	—	0
31.55.138.141	ftip006741471.acc4.sf.21cn-nte.bt.net	0
31.55.138.142	—	0
31.55.138.143	—	0
31.55.138.144	—	0
31.55.138.145	—	0
31.55.138.146	—	0
31.55.138.147	ftip007290268.acc3.sf.21cn-nte.bt.net	0
31.55.138.148	—	0
31.55.138.149	—	0
31.55.138.150	—	0
31.55.138.151	—	0
31.55.138.152	—	0
31.55.138.153	ftip004894049.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.154	—	0
31.55.138.155	—	0
31.55.138.156	—	0
31.55.138.157	—	0
31.55.138.158	—	0
31.55.138.159	—	0
31.55.138.160	—	0
31.55.138.161	—	0
31.55.138.162	—	0
31.55.138.163	—	0
31.55.138.164	—	0
31.55.138.165	ftip006741624.acc4.mr.21cn-nte.bt.net	0
31.55.138.166	—	0
31.55.138.167	ftip003808160-v2-bk.acc3.sf.21cn-ipp.bt.net	0
31.55.138.168	—	0
31.55.138.169	—	0
31.55.138.170	—	0
31.55.138.171	—	0
31.55.138.172	—	0
31.55.138.173	—	0
31.55.138.174	—	0
31.55.138.175	ftip003473948.l-nws.21cn-ipp.bt.net	0
31.55.138.176	—	0
31.55.138.177	ftip004946236.acc3.sf.21cn-ipp.bt.net	0
31.55.138.178	—	0
31.55.138.179	ftip007290428.acc3.sf.21cn-nte.bt.net	0
31.55.138.180	—	0
31.55.138.181	—	0
31.55.138.182	—	0
31.55.138.183	ftip007289880-ms-bk.acc2.colindale.21cn-nte.bt.net	0
31.55.138.184	—	0
31.55.138.185	ftip006741839.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.186	—	0
31.55.138.187	ftip004942221.acc3.sf.21cn-ipp.bt.net	0
31.55.138.188	—	0
31.55.138.189	ftip005260645-ms-bgp.acc2.kingston.21cn-nte.bt.net	0
31.55.138.190	—	0
31.55.138.191	ftip002859378.acc1.birmingham.21cn-nte.bt.net	0
31.55.138.192	—	0
31.55.138.193	—	0
31.55.138.194	—	0
31.55.138.195	ftip006742027.acc2.colindale.21cn-nte.bt.net	0
31.55.138.196	—	0
31.55.138.197	ftip003287798.acc1.birmingham.21cn-nte.bt.net	0
31.55.138.198	—	0
31.55.138.199	ftip004853633.acc4.faraday.21cn-nte.bt.net	0
31.55.138.200	—	0
31.55.138.201	ftip005257638.acc5.faraday.21cn-nte.bt.net	0
31.55.138.202	—	0
31.55.138.203	ftip007289880-v1-bk.acc6.faraday.21cn-nte.bt.net	0
31.55.138.204	—	0
31.55.138.205	ftip004965428.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.206	—	0
31.55.138.207	—	0
31.55.138.208	—	0
31.55.138.209	—	0
31.55.138.210	—	0
31.55.138.211	—	0
31.55.138.212	—	0
31.55.138.213	—	0
31.55.138.214	—	0
31.55.138.215	—	0
31.55.138.216	—	0
31.55.138.217	—	0
31.55.138.218	—	0
31.55.138.219	ftip006741495-ms-lb.acc4.mr.21cn-nte.bt.net	0
31.55.138.220	—	0
31.55.138.221	ftip006741495-v1-lb.acc3.sf.21cn-nte.bt.net	0
31.55.138.222	—	0
31.55.138.223	—	0
31.55.138.224	—	0
31.55.138.225	ftip007289637.acc2.guildford.21cn-nte.bt.net	0
31.55.138.226	—	0
31.55.138.227	—	0
31.55.138.228	—	0
31.55.138.229	ftip004947226.acc3.sf.21cn-ipp.bt.net	0
31.55.138.230	—	0
31.55.138.231	ftip004632429.acc3.birmingham.21cn-nte.bt.net	0
31.55.138.232	—	0
31.55.138.233	ftip004947059.acc1.faraday.21cn-nte.bt.net	0
31.55.138.234	—	0
31.55.138.235	ftip004947066.l-nws.21cn-ipp.bt.net	0
31.55.138.236	—	0
31.55.138.237	ftip005378838.acc6.faraday.21cn-nte.bt.net	0
31.55.138.238	—	0
31.55.138.239	ftip004947431.acc1.kingston.21cn-nte.bt.net	0
31.55.138.240	—	0
31.55.138.241	—	0
31.55.138.242	—	0
31.55.138.243	—	0
31.55.138.244	—	0
31.55.138.245	ftip003190494.acc4.faraday.21cn-nte.bt.net	0
31.55.138.246	—	0
31.55.138.247	—	0
31.55.138.248	—	0
31.55.138.249	—	0
31.55.138.250	—	0
31.55.138.251	ftip007289897-ms-bk.acc2.kingston.21cn-nte.bt.net	0
31.55.138.252	—	0
31.55.138.253	ftip007289897-v1-bk.acc2.colindale.21cn-nte.bt.net	0
31.55.138.254	—	0
31.55.138.255	—	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 31.55.138.74

traceroute to 31.55.138.74 (31.55.138.74): 64 hops max, 52 byte packets

4 [AS3356] 195.50.117.30 29.877 ms

5 [AS5400] 166.49.209.195 27.649 ms

6 [AS2856] 31.55.138.74 28.106 ms

Measurement taken from

IPinfo ProbeNet in Zagreb, HR

On November 14th 2025