Summary

ASN	AS8220 COLT Technology Services Group Limited
BGP	212.121.128.0/19
IPs with RDNS	64
Hosted Domains	0
Pingable IPs	103
Router IPs	33


212.121.156.0	—	0
212.121.156.1	—	0
212.121.156.2	cpede_ger000539.ia.colt.net	0
212.121.156.3	—	0
212.121.156.4	—	0
212.121.156.5	—	0
212.121.156.6	cpede_str000933.ia.colt.net	0
212.121.156.7	—	0
212.121.156.8	—	0
212.121.156.9	—	0
212.121.156.10	—	0
212.121.156.11	—	0
212.121.156.12	—	0
212.121.156.13	—	0
212.121.156.14	cpede_ber001744.ia.colt.net	0
212.121.156.15	—	0
212.121.156.16	pw-ether5.22030-0143024-lo0-sr1.haj.router.colt.net	0
212.121.156.17	—	0
212.121.156.18	cpede_muc000462.ia.colt.net	0
212.121.156.19	—	0
212.121.156.20	—	0
212.121.156.21	—	0
212.121.156.22	cpede_ber000102.ia.colt.net	0
212.121.156.23	—	0
212.121.156.24	—	0
212.121.156.25	—	0
212.121.156.26	cpede_haj000613.ia.colt.net	0
212.121.156.27	—	0
212.121.156.28	—	0
212.121.156.29	cpede_ger001271.ia.colt.net	0
212.121.156.30	—	0
212.121.156.31	cpede_bwe000002.ia.colt.net	0
212.121.156.32	—	0
212.121.156.33	—	0
212.121.156.34	—	0
212.121.156.35	—	0
212.121.156.36	—	0
212.121.156.37	—	0
212.121.156.38	cpede_str000932.ia.colt.net	0
212.121.156.39	—	0
212.121.156.40	—	0
212.121.156.41	—	0
212.121.156.42	cpede_cgn000409.ia.colt.net	0
212.121.156.43	—	0
212.121.156.44	—	0
212.121.156.45	—	0
212.121.156.46	cpede_ber065613.ia.colt.net	0
212.121.156.47	—	0
212.121.156.48	—	0
212.121.156.49	—	0
212.121.156.50	cpede_haj002021.ia.colt.net	0
212.121.156.51	—	0
212.121.156.52	—	0
212.121.156.53	—	0
212.121.156.54	cpede_muc0005395.ia.colt.net	0
212.121.156.55	—	0
212.121.156.56	—	0
212.121.156.57	—	0
212.121.156.58	—	0
212.121.156.59	—	0
212.121.156.60	—	0
212.121.156.61	—	0
212.121.156.62	cpede_muc229801.ia.colt.net	0
212.121.156.63	—	0
212.121.156.64	—	0
212.121.156.65	—	0
212.121.156.66	cpede_ber000566.ia.colt.net	0
212.121.156.67	—	0
212.121.156.68	—	0
212.121.156.69	—	0
212.121.156.70	cpede_str000035.ia.colt.net	0
212.121.156.71	—	0
212.121.156.72	—	0
212.121.156.73	—	0
212.121.156.74	cpede_str001692.ia.colt.net	0
212.121.156.75	—	0
212.121.156.76	—	0
212.121.156.77	—	0
212.121.156.78	cpede_fra001181.ia.colt.net	0
212.121.156.79	—	0
212.121.156.80	—	0
212.121.156.81	—	0
212.121.156.82	—	0
212.121.156.83	—	0
212.121.156.84	—	0
212.121.156.85	—	0
212.121.156.86	—	0
212.121.156.87	—	0
212.121.156.88	—	0
212.121.156.89	—	0
212.121.156.90	cpede_dus000877.ia.colt.net	0
212.121.156.91	—	0
212.121.156.92	—	0
212.121.156.93	—	0
212.121.156.94	—	0
212.121.156.95	—	0
212.121.156.96	—	0
212.121.156.97	—	0
212.121.156.98	—	0
212.121.156.99	—	0
212.121.156.100	—	0
212.121.156.101	—	0
212.121.156.102	—	0
212.121.156.103	—	0
212.121.156.104	—	0
212.121.156.105	pw-ether37.3-lo0-sr1.haj.router.colt.net	0
212.121.156.106	cpede_dus000878.ia.colt.net	0
212.121.156.107	—	0
212.121.156.108	—	0
212.121.156.109	—	0
212.121.156.110	cpede_ham001219.ia.colt.net	0
212.121.156.111	—	0
212.121.156.112	—	0
212.121.156.113	—	0
212.121.156.114	—	0
212.121.156.115	—	0
212.121.156.116	—	0
212.121.156.117	—	0
212.121.156.118	cpede_muc001106.ia.colt.net	0
212.121.156.119	—	0
212.121.156.120	—	0
212.121.156.121	—	0
212.121.156.122	cpede_fra065898.ia.colt.net	0
212.121.156.123	—	0
212.121.156.124	—	0
212.121.156.125	—	0
212.121.156.126	—	0
212.121.156.127	—	0
212.121.156.128	—	0
212.121.156.129	pw-ether35.42030-lo0-sr1.haj.router.colt.net	0
212.121.156.130	cpede_ber000139.ia.colt.net	0
212.121.156.131	—	0
212.121.156.132	—	0
212.121.156.133	—	0
212.121.156.134	cpede_haj000617.ia.colt.net	0
212.121.156.135	—	0
212.121.156.136	—	0
212.121.156.137	—	0
212.121.156.138	cpede_ger000570.ia.colt.net	0
212.121.156.139	—	0
212.121.156.140	—	0
212.121.156.141	—	0
212.121.156.142	cpede_ham001214.ia.colt.net	0
212.121.156.143	—	0
212.121.156.144	—	0
212.121.156.145	—	0
212.121.156.146	cpede_cgn000566.ia.colt.net	0
212.121.156.147	—	0
212.121.156.148	—	0
212.121.156.149	—	0
212.121.156.150	—	0
212.121.156.151	—	0
212.121.156.152	—	0
212.121.156.153	—	0
212.121.156.154	cpede_fra000343.ia.colt.net	0
212.121.156.155	—	0
212.121.156.156	—	0
212.121.156.157	—	0
212.121.156.158	cpede_aah000019.ia.colt.net	0
212.121.156.159	—	0
212.121.156.160	—	0
212.121.156.161	—	0
212.121.156.162	cpede_muc001108.ia.colt.net	0
212.121.156.163	—	0
212.121.156.164	pw-ether33.42030-lo0-sr1.haj.router.colt.net	0
212.121.156.165	lo0-ham-ic-003076.ia.colt.net	0
212.121.156.166	pw-ether57.42030-lo0-sr2.haj.router.colt.net	0
212.121.156.167	lo0-haj-ic-000089.ia.colt.net	0
212.121.156.168	—	0
212.121.156.169	—	0
212.121.156.170	—	0
212.121.156.171	—	0
212.121.156.172	—	0
212.121.156.173	—	0
212.121.156.174	cpede_fra001202.ia.colt.net	0
212.121.156.175	www.arttransfer.de	0
212.121.156.176	www.datasystemsgmbh.de	0
212.121.156.177	—	0
212.121.156.178	cpede_muc001109.ia.colt.net	0
212.121.156.179	—	0
212.121.156.180	—	0
212.121.156.181	—	0
212.121.156.182	—	0
212.121.156.183	—	0
212.121.156.184	—	0
212.121.156.185	—	0
212.121.156.186	cpede_dus000548.ia.colt.net	0
212.121.156.187	—	0
212.121.156.188	—	0
212.121.156.189	—	0
212.121.156.190	—	0
212.121.156.191	—	0
212.121.156.192	—	0
212.121.156.193	—	0
212.121.156.194	cpede_ger000593.ia.colt.net	0
212.121.156.195	—	0
212.121.156.196	www.systems-group.de	0
212.121.156.197	pw-ether33.52030-lo0-sr1.haj.router.colt.net	0
212.121.156.198	cpede_ger065818.ia.colt.net	0
212.121.156.199	—	0
212.121.156.200	—	0
212.121.156.201	—	0
212.121.156.202	cpede_fra000162.ia.colt.net	0
212.121.156.203	—	0
212.121.156.204	—	0
212.121.156.205	—	0
212.121.156.206	cpede_str000718.ia.colt.net	0
212.121.156.207	—	0
212.121.156.208	pw-ether30.3-lo0-sr2.haj.router.colt.net	0
212.121.156.209	lo0-haj-ic-000093.ia.colt.net	0
212.121.156.210	pw-ether34.82030-lo0-sr1.haj.router.colt.net	0
212.121.156.211	lo0-bre-ic-000008.ia.colt.net	0
212.121.156.212	—	0
212.121.156.213	—	0
212.121.156.214	cpede_muc000133.ia.colt.net	0
212.121.156.215	—	0
212.121.156.216	—	0
212.121.156.217	—	0
212.121.156.218	—	0
212.121.156.219	—	0
212.121.156.220	—	0
212.121.156.221	—	0
212.121.156.222	cpede_ger000016.ia.colt.net	0
212.121.156.223	—	0
212.121.156.224	—	0
212.121.156.225	—	0
212.121.156.226	—	0
212.121.156.227	—	0
212.121.156.228	—	0
212.121.156.229	—	0
212.121.156.230	cpede_ber000442.ia.colt.net	0
212.121.156.231	—	0
212.121.156.232	—	0
212.121.156.233	acc-router.electrowatt-ekono.de	0
212.121.156.234	zulu.electrowatt-ekono.de	0
212.121.156.235	alpha.electrowatt-ekono.de	0
212.121.156.236	delta.electrowatt-ekono.de	0
212.121.156.237	charly.electrowatt-ekono.de	0
212.121.156.238	cpede_fra000985.ia.colt.net	0
212.121.156.239	—	0
212.121.156.240	—	0
212.121.156.241	—	0
212.121.156.242	—	0
212.121.156.243	—	0
212.121.156.244	—	0
212.121.156.245	—	0
212.121.156.246	cpede_ham001223.ia.colt.net	0
212.121.156.247	—	0
212.121.156.248	—	0
212.121.156.249	—	0
212.121.156.250	cpede_muc000633.ia.colt.net	0
212.121.156.251	—	0
212.121.156.252	—	0
212.121.156.253	—	0
212.121.156.254	—	0
212.121.156.255	—	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 212.121.156.97

traceroute to 212.121.156.97 (212.121.156.97): 64 hops max, 52 byte packets

3 [] 212.237.193.104 3.291 ms

4 [AS8220] 212.121.156.97 5.371 ms

Measurement taken from

IPinfo ProbeNet in Copenhagen, DK

On March 13, 2026