Summary

ASN	AS4837 CHINA UNICOM China169 Backbone
BGP	121.28.0.0/15
IPs with RDNS	256
Hosted Domains	0
Pingable IPs	0
Router IPs	0


121.28.54.0	hebei.28.121.in-addr.arpa	0
121.28.54.1	hebei.28.121.in-addr.arpa	0
121.28.54.2	hebei.28.121.in-addr.arpa	0
121.28.54.3	hebei.28.121.in-addr.arpa	0
121.28.54.4	hebei.28.121.in-addr.arpa	0
121.28.54.5	hebei.28.121.in-addr.arpa	0
121.28.54.6	hebei.28.121.in-addr.arpa	0
121.28.54.7	hebei.28.121.in-addr.arpa	0
121.28.54.8	hebei.28.121.in-addr.arpa	0
121.28.54.9	hebei.28.121.in-addr.arpa	0
121.28.54.10	hebei.28.121.in-addr.arpa	0
121.28.54.11	hebei.28.121.in-addr.arpa	0
121.28.54.12	hebei.28.121.in-addr.arpa	0
121.28.54.13	hebei.28.121.in-addr.arpa	0
121.28.54.14	hebei.28.121.in-addr.arpa	0
121.28.54.15	hebei.28.121.in-addr.arpa	0
121.28.54.16	hebei.28.121.in-addr.arpa	0
121.28.54.17	hebei.28.121.in-addr.arpa	0
121.28.54.18	hebei.28.121.in-addr.arpa	0
121.28.54.19	hebei.28.121.in-addr.arpa	0
121.28.54.20	hebei.28.121.in-addr.arpa	0
121.28.54.21	hebei.28.121.in-addr.arpa	0
121.28.54.22	hebei.28.121.in-addr.arpa	0
121.28.54.23	hebei.28.121.in-addr.arpa	0
121.28.54.24	hebei.28.121.in-addr.arpa	0
121.28.54.25	hebei.28.121.in-addr.arpa	0
121.28.54.26	hebei.28.121.in-addr.arpa	0
121.28.54.27	hebei.28.121.in-addr.arpa	0
121.28.54.28	hebei.28.121.in-addr.arpa	0
121.28.54.29	hebei.28.121.in-addr.arpa	0
121.28.54.30	hebei.28.121.in-addr.arpa	0
121.28.54.31	hebei.28.121.in-addr.arpa	0
121.28.54.32	hebei.28.121.in-addr.arpa	0
121.28.54.33	hebei.28.121.in-addr.arpa	0
121.28.54.34	hebei.28.121.in-addr.arpa	0
121.28.54.35	hebei.28.121.in-addr.arpa	0
121.28.54.36	hebei.28.121.in-addr.arpa	0
121.28.54.37	hebei.28.121.in-addr.arpa	0
121.28.54.38	hebei.28.121.in-addr.arpa	0
121.28.54.39	hebei.28.121.in-addr.arpa	0
121.28.54.40	hebei.28.121.in-addr.arpa	0
121.28.54.41	hebei.28.121.in-addr.arpa	0
121.28.54.42	hebei.28.121.in-addr.arpa	0
121.28.54.43	hebei.28.121.in-addr.arpa	0
121.28.54.44	hebei.28.121.in-addr.arpa	0
121.28.54.45	hebei.28.121.in-addr.arpa	0
121.28.54.46	hebei.28.121.in-addr.arpa	0
121.28.54.47	hebei.28.121.in-addr.arpa	0
121.28.54.48	hebei.28.121.in-addr.arpa	0
121.28.54.49	hebei.28.121.in-addr.arpa	0
121.28.54.50	hebei.28.121.in-addr.arpa	0
121.28.54.51	hebei.28.121.in-addr.arpa	0
121.28.54.52	hebei.28.121.in-addr.arpa	0
121.28.54.53	hebei.28.121.in-addr.arpa	0
121.28.54.54	hebei.28.121.in-addr.arpa	0
121.28.54.55	hebei.28.121.in-addr.arpa	0
121.28.54.56	hebei.28.121.in-addr.arpa	0
121.28.54.57	hebei.28.121.in-addr.arpa	0
121.28.54.58	hebei.28.121.in-addr.arpa	0
121.28.54.59	hebei.28.121.in-addr.arpa	0
121.28.54.60	hebei.28.121.in-addr.arpa	0
121.28.54.61	hebei.28.121.in-addr.arpa	0
121.28.54.62	hebei.28.121.in-addr.arpa	0
121.28.54.63	hebei.28.121.in-addr.arpa	0
121.28.54.64	hebei.28.121.in-addr.arpa	0
121.28.54.65	hebei.28.121.in-addr.arpa	0
121.28.54.66	hebei.28.121.in-addr.arpa	0
121.28.54.67	hebei.28.121.in-addr.arpa	0
121.28.54.68	hebei.28.121.in-addr.arpa	0
121.28.54.69	hebei.28.121.in-addr.arpa	0
121.28.54.70	hebei.28.121.in-addr.arpa	0
121.28.54.71	hebei.28.121.in-addr.arpa	0
121.28.54.72	hebei.28.121.in-addr.arpa	0
121.28.54.73	hebei.28.121.in-addr.arpa	0
121.28.54.74	hebei.28.121.in-addr.arpa	0
121.28.54.75	hebei.28.121.in-addr.arpa	0
121.28.54.76	hebei.28.121.in-addr.arpa	0
121.28.54.77	hebei.28.121.in-addr.arpa	0
121.28.54.78	hebei.28.121.in-addr.arpa	0
121.28.54.79	hebei.28.121.in-addr.arpa	0
121.28.54.80	hebei.28.121.in-addr.arpa	0
121.28.54.81	hebei.28.121.in-addr.arpa	0
121.28.54.82	hebei.28.121.in-addr.arpa	0
121.28.54.83	hebei.28.121.in-addr.arpa	0
121.28.54.84	hebei.28.121.in-addr.arpa	0
121.28.54.85	hebei.28.121.in-addr.arpa	0
121.28.54.86	hebei.28.121.in-addr.arpa	0
121.28.54.87	hebei.28.121.in-addr.arpa	0
121.28.54.88	hebei.28.121.in-addr.arpa	0
121.28.54.89	hebei.28.121.in-addr.arpa	0
121.28.54.90	hebei.28.121.in-addr.arpa	0
121.28.54.91	hebei.28.121.in-addr.arpa	0
121.28.54.92	hebei.28.121.in-addr.arpa	0
121.28.54.93	hebei.28.121.in-addr.arpa	0
121.28.54.94	hebei.28.121.in-addr.arpa	0
121.28.54.95	hebei.28.121.in-addr.arpa	0
121.28.54.96	hebei.28.121.in-addr.arpa	0
121.28.54.97	hebei.28.121.in-addr.arpa	0
121.28.54.98	hebei.28.121.in-addr.arpa	0
121.28.54.99	hebei.28.121.in-addr.arpa	0
121.28.54.100	hebei.28.121.in-addr.arpa	0
121.28.54.101	hebei.28.121.in-addr.arpa	0
121.28.54.102	hebei.28.121.in-addr.arpa	0
121.28.54.103	hebei.28.121.in-addr.arpa	0
121.28.54.104	hebei.28.121.in-addr.arpa	0
121.28.54.105	hebei.28.121.in-addr.arpa	0
121.28.54.106	hebei.28.121.in-addr.arpa	0
121.28.54.107	hebei.28.121.in-addr.arpa	0
121.28.54.108	hebei.28.121.in-addr.arpa	0
121.28.54.109	hebei.28.121.in-addr.arpa	0
121.28.54.110	hebei.28.121.in-addr.arpa	0
121.28.54.111	hebei.28.121.in-addr.arpa	0
121.28.54.112	hebei.28.121.in-addr.arpa	0
121.28.54.113	hebei.28.121.in-addr.arpa	0
121.28.54.114	hebei.28.121.in-addr.arpa	0
121.28.54.115	hebei.28.121.in-addr.arpa	0
121.28.54.116	hebei.28.121.in-addr.arpa	0
121.28.54.117	hebei.28.121.in-addr.arpa	0
121.28.54.118	hebei.28.121.in-addr.arpa	0
121.28.54.119	hebei.28.121.in-addr.arpa	0
121.28.54.120	hebei.28.121.in-addr.arpa	0
121.28.54.121	hebei.28.121.in-addr.arpa	0
121.28.54.122	hebei.28.121.in-addr.arpa	0
121.28.54.123	hebei.28.121.in-addr.arpa	0
121.28.54.124	hebei.28.121.in-addr.arpa	0
121.28.54.125	hebei.28.121.in-addr.arpa	0
121.28.54.126	hebei.28.121.in-addr.arpa	0
121.28.54.127	hebei.28.121.in-addr.arpa	0
121.28.54.128	hebei.28.121.in-addr.arpa	0
121.28.54.129	hebei.28.121.in-addr.arpa	0
121.28.54.130	hebei.28.121.in-addr.arpa	0
121.28.54.131	hebei.28.121.in-addr.arpa	0
121.28.54.132	hebei.28.121.in-addr.arpa	0
121.28.54.133	hebei.28.121.in-addr.arpa	0
121.28.54.134	hebei.28.121.in-addr.arpa	0
121.28.54.135	hebei.28.121.in-addr.arpa	0
121.28.54.136	hebei.28.121.in-addr.arpa	0
121.28.54.137	hebei.28.121.in-addr.arpa	0
121.28.54.138	hebei.28.121.in-addr.arpa	0
121.28.54.139	hebei.28.121.in-addr.arpa	0
121.28.54.140	hebei.28.121.in-addr.arpa	0
121.28.54.141	hebei.28.121.in-addr.arpa	0
121.28.54.142	hebei.28.121.in-addr.arpa	0
121.28.54.143	hebei.28.121.in-addr.arpa	0
121.28.54.144	hebei.28.121.in-addr.arpa	0
121.28.54.145	hebei.28.121.in-addr.arpa	0
121.28.54.146	hebei.28.121.in-addr.arpa	0
121.28.54.147	hebei.28.121.in-addr.arpa	0
121.28.54.148	hebei.28.121.in-addr.arpa	0
121.28.54.149	hebei.28.121.in-addr.arpa	0
121.28.54.150	hebei.28.121.in-addr.arpa	0
121.28.54.151	hebei.28.121.in-addr.arpa	0
121.28.54.152	hebei.28.121.in-addr.arpa	0
121.28.54.153	hebei.28.121.in-addr.arpa	0
121.28.54.154	hebei.28.121.in-addr.arpa	0
121.28.54.155	hebei.28.121.in-addr.arpa	0
121.28.54.156	hebei.28.121.in-addr.arpa	0
121.28.54.157	hebei.28.121.in-addr.arpa	0
121.28.54.158	hebei.28.121.in-addr.arpa	0
121.28.54.159	hebei.28.121.in-addr.arpa	0
121.28.54.160	hebei.28.121.in-addr.arpa	0
121.28.54.161	hebei.28.121.in-addr.arpa	0
121.28.54.162	hebei.28.121.in-addr.arpa	0
121.28.54.163	hebei.28.121.in-addr.arpa	0
121.28.54.164	hebei.28.121.in-addr.arpa	0
121.28.54.165	hebei.28.121.in-addr.arpa	0
121.28.54.166	hebei.28.121.in-addr.arpa	0
121.28.54.167	hebei.28.121.in-addr.arpa	0
121.28.54.168	hebei.28.121.in-addr.arpa	0
121.28.54.169	hebei.28.121.in-addr.arpa	0
121.28.54.170	hebei.28.121.in-addr.arpa	0
121.28.54.171	hebei.28.121.in-addr.arpa	0
121.28.54.172	hebei.28.121.in-addr.arpa	0
121.28.54.173	hebei.28.121.in-addr.arpa	0
121.28.54.174	hebei.28.121.in-addr.arpa	0
121.28.54.175	hebei.28.121.in-addr.arpa	0
121.28.54.176	hebei.28.121.in-addr.arpa	0
121.28.54.177	hebei.28.121.in-addr.arpa	0
121.28.54.178	hebei.28.121.in-addr.arpa	0
121.28.54.179	hebei.28.121.in-addr.arpa	0
121.28.54.180	hebei.28.121.in-addr.arpa	0
121.28.54.181	hebei.28.121.in-addr.arpa	0
121.28.54.182	hebei.28.121.in-addr.arpa	0
121.28.54.183	hebei.28.121.in-addr.arpa	0
121.28.54.184	hebei.28.121.in-addr.arpa	0
121.28.54.185	hebei.28.121.in-addr.arpa	0
121.28.54.186	hebei.28.121.in-addr.arpa	0
121.28.54.187	hebei.28.121.in-addr.arpa	0
121.28.54.188	hebei.28.121.in-addr.arpa	0
121.28.54.189	hebei.28.121.in-addr.arpa	0
121.28.54.190	hebei.28.121.in-addr.arpa	0
121.28.54.191	hebei.28.121.in-addr.arpa	0
121.28.54.192	hebei.28.121.in-addr.arpa	0
121.28.54.193	hebei.28.121.in-addr.arpa	0
121.28.54.194	hebei.28.121.in-addr.arpa	0
121.28.54.195	hebei.28.121.in-addr.arpa	0
121.28.54.196	hebei.28.121.in-addr.arpa	0
121.28.54.197	hebei.28.121.in-addr.arpa	0
121.28.54.198	hebei.28.121.in-addr.arpa	0
121.28.54.199	hebei.28.121.in-addr.arpa	0
121.28.54.200	hebei.28.121.in-addr.arpa	0
121.28.54.201	hebei.28.121.in-addr.arpa	0
121.28.54.202	hebei.28.121.in-addr.arpa	0
121.28.54.203	hebei.28.121.in-addr.arpa	0
121.28.54.204	hebei.28.121.in-addr.arpa	0
121.28.54.205	hebei.28.121.in-addr.arpa	0
121.28.54.206	hebei.28.121.in-addr.arpa	0
121.28.54.207	hebei.28.121.in-addr.arpa	0
121.28.54.208	hebei.28.121.in-addr.arpa	0
121.28.54.209	hebei.28.121.in-addr.arpa	0
121.28.54.210	hebei.28.121.in-addr.arpa	0
121.28.54.211	hebei.28.121.in-addr.arpa	0
121.28.54.212	hebei.28.121.in-addr.arpa	0
121.28.54.213	hebei.28.121.in-addr.arpa	0
121.28.54.214	hebei.28.121.in-addr.arpa	0
121.28.54.215	hebei.28.121.in-addr.arpa	0
121.28.54.216	hebei.28.121.in-addr.arpa	0
121.28.54.217	hebei.28.121.in-addr.arpa	0
121.28.54.218	hebei.28.121.in-addr.arpa	0
121.28.54.219	hebei.28.121.in-addr.arpa	0
121.28.54.220	hebei.28.121.in-addr.arpa	0
121.28.54.221	hebei.28.121.in-addr.arpa	0
121.28.54.222	hebei.28.121.in-addr.arpa	0
121.28.54.223	hebei.28.121.in-addr.arpa	0
121.28.54.224	hebei.28.121.in-addr.arpa	0
121.28.54.225	hebei.28.121.in-addr.arpa	0
121.28.54.226	hebei.28.121.in-addr.arpa	0
121.28.54.227	hebei.28.121.in-addr.arpa	0
121.28.54.228	hebei.28.121.in-addr.arpa	0
121.28.54.229	hebei.28.121.in-addr.arpa	0
121.28.54.230	hebei.28.121.in-addr.arpa	0
121.28.54.231	hebei.28.121.in-addr.arpa	0
121.28.54.232	hebei.28.121.in-addr.arpa	0
121.28.54.233	hebei.28.121.in-addr.arpa	0
121.28.54.234	hebei.28.121.in-addr.arpa	0
121.28.54.235	hebei.28.121.in-addr.arpa	0
121.28.54.236	hebei.28.121.in-addr.arpa	0
121.28.54.237	hebei.28.121.in-addr.arpa	0
121.28.54.238	hebei.28.121.in-addr.arpa	0
121.28.54.239	hebei.28.121.in-addr.arpa	0
121.28.54.240	hebei.28.121.in-addr.arpa	0
121.28.54.241	hebei.28.121.in-addr.arpa	0
121.28.54.242	hebei.28.121.in-addr.arpa	0
121.28.54.243	hebei.28.121.in-addr.arpa	0
121.28.54.244	hebei.28.121.in-addr.arpa	0
121.28.54.245	hebei.28.121.in-addr.arpa	0
121.28.54.246	hebei.28.121.in-addr.arpa	0
121.28.54.247	hebei.28.121.in-addr.arpa	0
121.28.54.248	hebei.28.121.in-addr.arpa	0
121.28.54.249	hebei.28.121.in-addr.arpa	0
121.28.54.250	hebei.28.121.in-addr.arpa	0
121.28.54.251	hebei.28.121.in-addr.arpa	0
121.28.54.252	hebei.28.121.in-addr.arpa	0
121.28.54.253	hebei.28.121.in-addr.arpa	0
121.28.54.254	hebei.28.121.in-addr.arpa	0
121.28.54.255	hebei.28.121.in-addr.arpa	0

Traceroute

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

traceroute -a -n -q1 -f5 -m9 121.28.54.198

traceroute to 121.28.54.198 (121.28.54.198): 9 hops max, 52 byte packets

5 [AS3257] 213.200.124.178 56.533 ms

6 [AS4837] 219.158.35.29 57.706 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in New York City, US

On January 9th 2026