78.140.18.* rDNS大全

俄罗斯托木斯克

序号 iP ptr 发现时间 更新时间
1 78.140.18.1 s34-1-2.tomica.ru. 2021-08-24 2023-06-08
2 78.140.18.2 n18-c2.client.tomica.ru. 2021-08-24 2023-06-08
3 78.140.18.3 n18-c3.client.tomica.ru. 2021-08-24 2023-06-08
4 78.140.18.4 mx.mozdorovie.ru. 2021-08-24 2023-06-08
5 78.140.18.5 n18-c5.client.tomica.ru. 2021-08-24 2023-06-08
6 78.140.18.6 n18-c6.client.tomica.ru. 2021-08-24 2023-06-08
7 78.140.18.7 n18-c7.client.tomica.ru. 2021-08-24 2023-06-08
8 78.140.18.8 n18-c8.client.tomica.ru. 2021-08-24 2023-06-08
9 78.140.18.9 n18-c9.client.tomica.ru. 2021-08-24 2023-06-08
10 78.140.18.10 mind.tom.ru. 2021-08-24 2023-06-08
11 78.140.18.11 br2s.com. 2021-08-24 2023-06-08
12 78.140.18.12 n18-c12.client.tomica.ru. 2021-08-24 2023-06-08
13 78.140.18.13 n18-c13.client.tomica.ru. 2021-08-24 2023-06-08
14 78.140.18.14 n18-c14.client.tomica.ru. 2021-08-24 2023-06-08
15 78.140.18.15 n18-c15.client.tomica.ru. 2021-08-24 2023-06-08
16 78.140.18.16 n18-c16.client.tomica.ru. 2021-08-24 2023-06-08
17 78.140.18.17 n18-c17.client.tomica.ru. 2021-08-24 2023-06-08
18 78.140.18.18 n18-c18.client.tomica.ru. 2021-08-24 2023-06-08
19 78.140.18.19 n18-c19.client.tomica.ru. 2021-08-24 2023-06-08
20 78.140.18.20 n18-c20.client.tomica.ru. 2021-08-24 2023-06-08
21 78.140.18.21 n18-c21.client.tomica.ru. 2021-08-24 2023-06-08
22 78.140.18.22 n18-c22.client.tomica.ru. 2021-08-24 2023-06-08
23 78.140.18.23 n18-c23.client.tomica.ru. 2021-08-24 2023-06-08
24 78.140.18.24 n18-c24.client.tomica.ru. 2021-08-24 2023-06-08
25 78.140.18.25 n18-c25.client.tomica.ru. 2021-08-24 2023-06-08
26 78.140.18.26 n18-c26.client.tomica.ru. 2021-08-24 2023-06-08
27 78.140.18.27 n18-c27.client.tomica.ru. 2021-08-24 2023-06-08
28 78.140.18.28 n18-c28.client.tomica.ru. 2021-08-24 2023-06-08
29 78.140.18.29 n18-c29.client.tomica.ru. 2021-08-24 2023-06-08
30 78.140.18.30 n18-c30.client.tomica.ru. 2021-08-24 2023-06-08
31 78.140.18.31 n18-c31.client.tomica.ru. 2021-08-24 2023-06-08
32 78.140.18.32 n18-c32.client.tomica.ru. 2021-08-24 2023-06-08
33 78.140.18.33 n18-c33.client.tomica.ru. 2021-08-24 2023-06-08
34 78.140.18.34 n18-c34.client.tomica.ru. 2021-08-24 2023-06-08
35 78.140.18.35 n18-c35.client.tomica.ru. 2021-08-24 2023-06-08
36 78.140.18.36 n18-c36.client.tomica.ru. 2021-08-24 2023-06-08
37 78.140.18.37 n18-c37.client.tomica.ru. 2021-08-24 2023-06-08
38 78.140.18.38 n18-c38.client.tomica.ru. 2021-08-24 2023-06-08
39 78.140.18.39 n18-c39.client.tomica.ru. 2021-08-24 2023-06-08
40 78.140.18.40 n18-c40.client.tomica.ru. 2021-08-24 2023-06-08
41 78.140.18.41 n18-c41.client.tomica.ru. 2021-08-24 2023-06-08
42 78.140.18.42 n18-c42.client.tomica.ru. 2021-08-24 2023-06-08
43 78.140.18.43 n18-c43.client.tomica.ru. 2021-08-24 2023-06-08
44 78.140.18.44 n18-c44.client.tomica.ru. 2021-08-24 2023-06-08
45 78.140.18.45 n18-c45.client.tomica.ru. 2021-08-24 2023-04-24
46 78.140.18.46 n18-c46.client.tomica.ru. 2021-08-24 2023-06-08
47 78.140.18.47 n18-c47.client.tomica.ru. 2021-08-24 2023-06-08
48 78.140.18.48 n18-c48.client.tomica.ru. 2021-08-24 2023-06-08
49 78.140.18.49 n18-c49.client.tomica.ru. 2021-08-24 2023-06-08
50 78.140.18.50 n18-c50.client.tomica.ru. 2021-08-24 2023-06-08
51 78.140.18.51 n18-c51.client.tomica.ru. 2021-08-24 2023-06-08
52 78.140.18.52 n18-c52.client.tomica.ru. 2021-08-24 2023-06-08
53 78.140.18.53 n18-c53.client.tomica.ru. 2021-08-24 2023-06-08
54 78.140.18.54 n18-c54.client.tomica.ru. 2021-08-24 2023-06-08
55 78.140.18.55 n18-c55.client.tomica.ru. 2021-08-24 2023-06-08
56 78.140.18.56 n18-c56.client.tomica.ru. 2021-08-24 2023-06-08
57 78.140.18.57 praktik.tomsk.ru. 2021-08-24 2023-06-08
58 78.140.18.58 tlse.tomica.ru. 2021-08-24 2023-06-08
59 78.140.18.59 n18-c59.client.tomica.ru. 2021-08-24 2023-06-08
60 78.140.18.60 n18-c60.client.tomica.ru. 2021-08-24 2023-06-08
61 78.140.18.61 n18-c61.client.tomica.ru. 2021-08-24 2023-06-08
62 78.140.18.62 n18-c62.client.tomica.ru. 2021-08-24 2023-06-08
63 78.140.18.63 n18-c63.client.tomica.ru. 2021-08-24 2023-06-08
64 78.140.18.64 n18-c64.client.tomica.ru. 2021-08-24 2023-06-08
65 78.140.18.65 n18-c65.client.tomica.ru. 2021-08-24 2023-06-08
66 78.140.18.66 n18-c66.client.tomica.ru. 2021-08-24 2023-06-08
67 78.140.18.67 n18-c67.client.tomica.ru. 2021-08-24 2023-06-08
68 78.140.18.68 n18-c68.client.tomica.ru. 2021-08-24 2023-06-08
69 78.140.18.69 geezo.tsk.ru. 2021-08-24 2023-06-08
70 78.140.18.70 n18-c70.client.tomica.ru. 2021-08-24 2023-06-08
71 78.140.18.71 n18-c71.client.tomica.ru. 2021-08-24 2023-06-08
72 78.140.18.72 n18-c72.client.tomica.ru. 2021-08-24 2023-06-08
73 78.140.18.73 n18-c73.client.tomica.ru. 2021-08-24 2023-06-08
74 78.140.18.74 n18-c74.client.tomica.ru. 2021-08-24 2023-06-08
75 78.140.18.75 n18-c75.client.tomica.ru. 2021-08-24 2023-06-08
76 78.140.18.76 n18-c76.client.tomica.ru. 2021-08-24 2023-06-08
77 78.140.18.77 n18-c77.client.tomica.ru. 2021-08-24 2023-06-08
78 78.140.18.78 n18-c78.client.tomica.ru. 2021-08-24 2023-06-08
79 78.140.18.79 n18-c79.client.tomica.ru. 2021-08-24 2023-06-08
80 78.140.18.80 n18-c80.client.tomica.ru. 2021-08-24 2023-06-08
81 78.140.18.81 izmerteh.ru. 2021-08-24 2023-06-08
82 78.140.18.82 n18-c82.client.tomica.ru. 2021-08-24 2023-06-08
83 78.140.18.83 n18-c83.client.tomica.ru. 2021-08-24 2023-06-08
84 78.140.18.84 n18-c84.client.tomica.ru. 2021-08-24 2023-06-08
85 78.140.18.85 n18-c85.client.tomica.ru. 2021-08-24 2023-06-08
86 78.140.18.86 n18-c86.client.tomica.ru. 2021-08-24 2023-06-08
87 78.140.18.87 n18-c87.client.tomica.ru. 2021-08-24 2023-06-08
88 78.140.18.88 n18-c88.client.tomica.ru. 2021-08-24 2023-06-08
89 78.140.18.89 n18-c89.client.tomica.ru. 2021-08-24 2023-06-08
90 78.140.18.90 n18-c90.client.tomica.ru. 2021-08-24 2023-06-08
91 78.140.18.91 n18-c91.client.tomica.ru. 2021-08-24 2023-06-08
92 78.140.18.92 n18-c92.client.tomica.ru. 2021-08-24 2023-06-08
93 78.140.18.93 n18-c93.client.tomica.ru. 2021-08-24 2023-06-08
94 78.140.18.94 n18-c94.client.tomica.ru. 2021-08-24 2023-06-08
95 78.140.18.95 n18-c95.client.tomica.ru. 2021-08-24 2023-06-08
96 78.140.18.96 n18-c96.client.tomica.ru. 2021-08-24 2023-06-08
97 78.140.18.97 n18-c97.client.tomica.ru. 2021-08-24 2023-06-08
98 78.140.18.98 n18-c98.client.tomica.ru. 2021-08-24 2023-06-08
99 78.140.18.99 n18-c99.client.tomica.ru. 2021-08-24 2023-06-08
100 78.140.18.100 n18-c100.client.tomica.ru. 2021-08-24 2023-06-08
101 78.140.18.101 n18-c101.client.tomica.ru. 2021-08-24 2023-06-08
102 78.140.18.102 n18-c102.client.tomica.ru. 2021-08-24 2023-06-08
103 78.140.18.103 n18-c103.client.tomica.ru. 2021-08-24 2023-06-08
104 78.140.18.104 n18-c104.client.tomica.ru. 2021-08-24 2023-06-08
105 78.140.18.105 n18-c105.client.tomica.ru. 2021-08-24 2023-06-08
106 78.140.18.106 n18-c106.client.tomica.ru. 2021-08-24 2023-06-08
107 78.140.18.107 n18-c107.client.tomica.ru. 2021-08-24 2023-06-08
108 78.140.18.108 n18-c108.client.tomica.ru. 2021-08-24 2023-06-08
109 78.140.18.109 n18-c109.client.tomica.ru. 2021-08-24 2023-06-08
110 78.140.18.110 n18-c110.client.tomica.ru. 2021-08-24 2023-06-08
111 78.140.18.111 n18-c111.client.tomica.ru. 2021-08-24 2023-06-08
112 78.140.18.112 n18-c112.client.tomica.ru. 2021-08-24 2023-06-08
113 78.140.18.113 n18-c113.client.tomica.ru. 2021-08-24 2023-06-08
114 78.140.18.114 n18-c114.client.tomica.ru. 2021-08-24 2023-06-08
115 78.140.18.115 n18-c115.client.tomica.ru. 2021-08-24 2023-06-08
116 78.140.18.116 n18-c116.client.tomica.ru. 2021-08-24 2023-06-08
117 78.140.18.117 n18-c117.client.tomica.ru. 2021-08-24 2023-06-08
118 78.140.18.118 n18-c118.client.tomica.ru. 2021-08-24 2023-06-08
119 78.140.18.119 n18-c119.client.tomica.ru. 2021-08-24 2023-06-08
120 78.140.18.120 n18-c120.client.tomica.ru. 2021-08-24 2023-06-08
121 78.140.18.121 n18-c121.client.tomica.ru. 2021-08-24 2023-06-08
122 78.140.18.122 n18-c122.client.tomica.ru. 2021-08-24 2023-06-08
123 78.140.18.123 n18-c123.client.tomica.ru. 2021-08-24 2023-06-08
124 78.140.18.124 n18-c124.client.tomica.ru. 2021-08-24 2023-06-08
125 78.140.18.125 n18-c125.client.tomica.ru. 2021-08-24 2023-06-08
126 78.140.18.126 n18-c126.client.tomica.ru. 2021-08-24 2023-06-08
127 78.140.18.127 n18-c127.client.tomica.ru. 2021-08-24 2023-06-08
128 78.140.18.128 n18-c128.client.tomica.ru. 2021-08-24 2023-06-08
129 78.140.18.129 n18-c129.client.tomica.ru. 2021-08-24 2023-06-08
130 78.140.18.130 n18-c130.client.tomica.ru. 2021-08-24 2023-06-08
131 78.140.18.131 n18-c131.client.tomica.ru. 2021-08-24 2023-06-08
132 78.140.18.132 n18-c132.client.tomica.ru. 2021-08-24 2023-06-08
133 78.140.18.133 n18-c133.client.tomica.ru. 2021-08-24 2023-06-08
134 78.140.18.134 n18-c134.client.tomica.ru. 2021-08-24 2023-06-08
135 78.140.18.135 n18-c135.client.tomica.ru. 2021-08-24 2023-06-08
136 78.140.18.136 n18-c136.client.tomica.ru. 2021-08-24 2023-06-08
137 78.140.18.137 n18-c137.client.tomica.ru. 2021-08-24 2023-06-08
138 78.140.18.138 n18-c138.client.tomica.ru. 2021-08-24 2023-06-08
139 78.140.18.139 n18-c139.client.tomica.ru. 2021-08-24 2023-06-08
140 78.140.18.140 n18-c140.client.tomica.ru. 2021-08-24 2023-06-08
141 78.140.18.141 n18-c141.client.tomica.ru. 2021-08-24 2023-06-08
142 78.140.18.142 n18-c142.client.tomica.ru. 2021-08-24 2023-06-08
143 78.140.18.143 n18-c143.client.tomica.ru. 2021-08-24 2023-06-08
144 78.140.18.144 n18-c144.client.tomica.ru. 2021-08-24 2023-06-08
145 78.140.18.145 n18-c145.client.tomica.ru. 2021-08-24 2023-06-08
146 78.140.18.146 n18-c146.client.tomica.ru. 2021-08-24 2023-06-08
147 78.140.18.147 n18-c147.client.tomica.ru. 2021-08-24 2023-06-08
148 78.140.18.148 n18-c148.client.tomica.ru. 2021-08-24 2023-06-08
149 78.140.18.149 n18-c149.client.tomica.ru. 2021-08-24 2023-06-08
150 78.140.18.150 n18-c150.client.tomica.ru. 2021-08-24 2023-06-08
151 78.140.18.151 n18-c151.client.tomica.ru. 2021-08-24 2023-06-08
152 78.140.18.152 n18-c152.client.tomica.ru. 2021-08-24 2023-06-08
153 78.140.18.153 n18-c153.client.tomica.ru. 2021-08-24 2023-06-08
154 78.140.18.154 n18-c154.client.tomica.ru. 2021-08-24 2023-06-08
155 78.140.18.155 n18-c155.client.tomica.ru. 2021-08-24 2023-06-08
156 78.140.18.156 n18-c156.client.tomica.ru. 2021-08-24 2023-06-08
157 78.140.18.157 n18-c157.client.tomica.ru. 2021-08-24 2023-06-08
158 78.140.18.158 n18-c158.client.tomica.ru. 2021-08-24 2023-06-08
159 78.140.18.159 n18-c159.client.tomica.ru. 2021-08-24 2023-06-08
160 78.140.18.160 n18-c160.client.tomica.ru. 2021-08-24 2023-06-08
161 78.140.18.161 n18-c161.client.tomica.ru. 2021-08-24 2023-06-08
162 78.140.18.162 n18-c162.client.tomica.ru. 2021-08-24 2023-06-08
163 78.140.18.163 n18-c163.client.tomica.ru. 2021-08-24 2023-06-08
164 78.140.18.164 n18-c164.client.tomica.ru. 2021-08-24 2023-06-08
165 78.140.18.165 n18-c165.client.tomica.ru. 2021-08-24 2023-06-08
166 78.140.18.166 n18-c166.client.tomica.ru. 2021-08-24 2023-06-08
167 78.140.18.167 n18-c167.client.tomica.ru. 2021-08-24 2023-06-08
168 78.140.18.168 n18-c168.client.tomica.ru. 2021-08-24 2023-06-08
169 78.140.18.169 n18-c169.client.tomica.ru. 2021-08-24 2023-06-08
170 78.140.18.170 n18-c170.client.tomica.ru. 2021-08-24 2023-06-08
171 78.140.18.171 n18-c171.client.tomica.ru. 2021-08-24 2023-06-08
172 78.140.18.172 n18-c172.client.tomica.ru. 2021-08-24 2023-06-08
173 78.140.18.173 n18-c173.client.tomica.ru. 2021-08-24 2023-06-08
174 78.140.18.174 n18-c174.client.tomica.ru. 2021-08-24 2023-06-08
175 78.140.18.175 n18-c175.client.tomica.ru. 2021-08-24 2023-06-08
176 78.140.18.176 n18-c176.client.tomica.ru. 2021-08-24 2023-06-08
177 78.140.18.177 n18-c177.client.tomica.ru. 2021-08-24 2023-06-08
178 78.140.18.178 n18-c178.client.tomica.ru. 2021-08-24 2023-06-08
179 78.140.18.179 n18-c179.client.tomica.ru. 2021-08-24 2023-06-08
180 78.140.18.180 n18-c180.client.tomica.ru. 2021-08-24 2023-06-08
181 78.140.18.181 n18-c181.client.tomica.ru. 2021-08-24 2023-06-08
182 78.140.18.182 n18-c182.client.tomica.ru. 2021-08-24 2023-06-08
183 78.140.18.183 n18-c183.client.tomica.ru. 2021-08-24 2023-06-08
184 78.140.18.184 n18-c184.client.tomica.ru. 2021-08-24 2023-06-08
185 78.140.18.185 n18-c185.client.tomica.ru. 2021-08-24 2023-06-08
186 78.140.18.186 n18-c186.client.tomica.ru. 2021-08-24 2023-06-08
187 78.140.18.187 n18-c187.client.tomica.ru. 2021-08-24 2023-06-08
188 78.140.18.188 n18-c188.client.tomica.ru. 2021-08-24 2023-06-08
189 78.140.18.189 n18-c189.client.tomica.ru. 2021-08-24 2023-06-08
190 78.140.18.190 n18-c190.client.tomica.ru. 2021-08-24 2023-06-08
191 78.140.18.191 n18-c191.client.tomica.ru. 2021-08-24 2023-06-08
192 78.140.18.192 n18-c192.client.tomica.ru. 2021-08-24 2023-06-08
193 78.140.18.193 n18-c193.client.tomica.ru. 2021-08-24 2023-06-08
194 78.140.18.194 n18-c194.client.tomica.ru. 2021-08-24 2023-06-08
195 78.140.18.195 n18-c195.client.tomica.ru. 2021-08-24 2023-06-08
196 78.140.18.196 n18-c196.client.tomica.ru. 2021-08-24 2023-06-08
197 78.140.18.197 n18-c197.client.tomica.ru. 2021-08-24 2023-06-08
198 78.140.18.198 n18-c198.client.tomica.ru. 2021-08-24 2023-06-08
199 78.140.18.199 n18-c199.client.tomica.ru. 2021-08-24 2023-06-08
200 78.140.18.200 n18-c200.client.tomica.ru. 2021-08-24 2023-06-08
201 78.140.18.201 n18-c201.client.tomica.ru. 2021-08-24 2023-06-08
202 78.140.18.202 n18-c202.client.tomica.ru. 2021-08-24 2023-06-08
203 78.140.18.203 n18-c203.client.tomica.ru. 2021-08-24 2023-06-08
204 78.140.18.204 n18-c204.client.tomica.ru. 2021-08-24 2023-06-08
205 78.140.18.205 n18-c205.client.tomica.ru. 2021-08-24 2023-06-08
206 78.140.18.206 n18-c206.client.tomica.ru. 2021-08-24 2023-06-08
207 78.140.18.207 n18-c207.client.tomica.ru. 2021-08-24 2023-06-08
208 78.140.18.208 n18-c208.client.tomica.ru. 2021-08-24 2023-06-08
209 78.140.18.209 n18-c209.client.tomica.ru. 2021-08-24 2023-06-08
210 78.140.18.210 n18-c210.client.tomica.ru. 2021-08-24 2023-06-08
211 78.140.18.211 n18-c211.client.tomica.ru. 2021-08-24 2023-06-08
212 78.140.18.212 n18-c212.client.tomica.ru. 2021-08-24 2023-06-08
213 78.140.18.213 n18-c213.client.tomica.ru. 2021-08-24 2023-06-08
214 78.140.18.214 n18-c214.client.tomica.ru. 2021-08-24 2023-06-08
215 78.140.18.215 n18-c215.client.tomica.ru. 2021-08-24 2023-06-08
216 78.140.18.216 n18-c216.client.tomica.ru. 2021-08-24 2023-06-08
217 78.140.18.217 n18-c217.client.tomica.ru. 2021-08-24 2023-06-08
218 78.140.18.218 n18-c218.client.tomica.ru. 2021-08-24 2023-06-08
219 78.140.18.219 n18-c219.client.tomica.ru. 2021-08-24 2023-06-08
220 78.140.18.220 n18-c220.client.tomica.ru. 2021-08-24 2023-06-08
221 78.140.18.221 n18-c221.client.tomica.ru. 2021-08-24 2023-06-08
222 78.140.18.222 n18-c222.client.tomica.ru. 2021-08-24 2023-06-08
223 78.140.18.223 n18-c223.client.tomica.ru. 2021-08-24 2023-06-08
224 78.140.18.224 n18-c224.client.tomica.ru. 2021-08-24 2023-06-08
225 78.140.18.225 n18-c225.client.tomica.ru. 2021-08-24 2023-06-08
226 78.140.18.226 n18-c226.client.tomica.ru. 2021-08-24 2023-06-08
227 78.140.18.227 n18-c227.client.tomica.ru. 2021-08-24 2023-06-08
228 78.140.18.228 n18-c228.client.tomica.ru. 2021-08-24 2023-06-08
229 78.140.18.229 n18-c229.client.tomica.ru. 2021-08-24 2023-06-08
230 78.140.18.230 n18-c230.client.tomica.ru. 2021-08-24 2023-06-08
231 78.140.18.231 n18-c231.client.tomica.ru. 2021-08-24 2023-06-08
232 78.140.18.232 n18-c232.client.tomica.ru. 2021-08-24 2023-06-08
233 78.140.18.233 n18-c233.client.tomica.ru. 2021-08-24 2023-06-08
234 78.140.18.234 n18-c234.client.tomica.ru. 2021-08-24 2023-06-08
235 78.140.18.235 n18-c235.client.tomica.ru. 2021-08-24 2023-06-08
236 78.140.18.236 n18-c236.client.tomica.ru. 2021-08-24 2023-06-08
237 78.140.18.237 n18-c237.client.tomica.ru. 2021-08-24 2023-06-08
238 78.140.18.238 n18-c238.client.tomica.ru. 2021-08-24 2023-06-08
239 78.140.18.239 n18-c239.client.tomica.ru. 2021-08-24 2023-06-08
240 78.140.18.240 n18-c240.client.tomica.ru. 2021-08-24 2023-06-08
241 78.140.18.241 n18-c241.client.tomica.ru. 2021-08-24 2023-06-08
242 78.140.18.242 n18-c242.client.tomica.ru. 2021-08-24 2023-06-08
243 78.140.18.243 n18-c243.client.tomica.ru. 2021-08-24 2023-06-08
244 78.140.18.244 n18-c244.client.tomica.ru. 2021-08-24 2023-06-08
245 78.140.18.245 n18-c245.client.tomica.ru. 2021-08-24 2023-06-08
246 78.140.18.246 n18-c246.client.tomica.ru. 2021-08-24 2023-06-08
247 78.140.18.247 n18-c247.client.tomica.ru. 2021-08-24 2023-06-08
248 78.140.18.248 n18-c248.client.tomica.ru. 2021-08-24 2023-06-08
249 78.140.18.249 n18-c249.client.tomica.ru. 2021-08-24 2023-06-08
250 78.140.18.250 n18-c250.client.tomica.ru. 2021-08-24 2023-06-08
251 78.140.18.251 n18-c251.client.tomica.ru. 2021-08-24 2023-06-08
252 78.140.18.252 n18-c252.client.tomica.ru. 2021-08-24 2023-06-08
253 78.140.18.253 n18-c253.client.tomica.ru. 2021-08-24 2023-06-08
254 78.140.18.254 n18-c254.client.tomica.ru. 2021-08-24 2023-06-08
255 78.140.18.255 n18-bcast.tomica.ru. 2021-08-24 2023-06-08

在78.140.18.0/24查找旁站 在78.140.18.0/24查找定位历史