Abuse Email | [email protected] |
Hosted IPs | 1024 |
CIDR is a method for assigning IP addresses and defining IP address ranges more flexibly than the older class-based addressing methods. It allows network administrators to allocate IP addresses in smaller, more efficient blocks, which reduces address wastage. Below is a comprehensive list of all IP addresses within the CIDR block 203.252.28.0/23.
RDAP stands for Registration Data Access Protocol. It is a protocol used to access and retrieve registration data for internet resources such as domain names, IP addresses, and autonomous system numbers. RDAP has several advantages over the WHOIS protocol, including support for internationalization, secure access to data, and the ability to provide differentiated access to registration data. Here is the RDAP raw data for 203.252.28.0/23.
Country | KR |
Name | KRNIC-NET-KR |
Administrative Tel | +82-2-405-5118 |
Administrative EMAIL | [email protected] |
Technical Tel | +82-2-405-5118 |
Technical EMAIL | [email protected] |
Abuse EMAIL | [email protected] |
1{
2 "rdapConformance": [
3 "nro_rdap_profile_0",
4 "cidr0",
5 "rdap_level_0"
6 ],
7 "notices": [
8 {
9 "title": "Source",
10 "description": [
11 "Objects returned came from source",
12 "KRNIC"
13 ]
14 },
15 {
16 "title": "Terms and Conditions",
17 "description": [
18 "This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
19 "This information has been partially mirrored by APNIC from KRNIC. To obtain more specific information, please use the KRNIC whois server at whois.kisa.or.kr."
20 ],
21 "links": [
22 {
23 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
24 "rel": "terms-of-service",
25 "href": "http://www.apnic.net/db/dbcopyright.html",
26 "type": "text/html"
27 }
28 ]
29 },
30 {
31 "title": "Whois Inaccuracy Reporting",
32 "description": [
33 "If you see inaccuracies in the results, please visit: "
34 ],
35 "links": [
36 {
37 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
38 "rel": "inaccuracy-report",
39 "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
40 "type": "text/html"
41 }
42 ]
43 }
44 ],
45 "country": "KR",
46 "name": "KRNIC-NET-KR",
47 "remarks": [
48 {
49 "description": [
50 "Korea Internet Security Agency"
51 ],
52 "title": "description"
53 },
54 {
55 "description": [
56 "-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
57 ],
58 "title": "remarks"
59 }
60 ],
61 "links": [
62 {
63 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
64 "rel": "self",
65 "href": "https://krnic.rdap.apnic.net/ip/203.252.28.0/22",
66 "type": "application/rdap+json"
67 },
68 {
69 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
70 "rel": "related",
71 "href": "https://netox.apnic.net/search/203.252.28.0%2F22?utm_source=rdap&utm_medium=result&utm_campaign=rdap_result",
72 "type": "text/html"
73 }
74 ],
75 "status": [
76 "active"
77 ],
78 "type": "ALLOCATED PORTABLE",
79 "endAddress": "203.252.31.255",
80 "ipVersion": "v4",
81 "startAddress": "203.252.28.0",
82 "objectClassName": "ip network",
83 "handle": "203.252.28.0 - 203.252.31.255",
84 "entities": [
85 {
86 "roles": [
87 "administrative"
88 ],
89 "links": [
90 {
91 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
92 "rel": "self",
93 "href": "https://krnic.rdap.apnic.net/entity/IA98-KR",
94 "type": "application/rdap+json"
95 }
96 ],
97 "vcardArray": [
98 "vcard",
99 [
100 [
101 "version",
102 {},
103 "text",
104 "4.0"
105 ],
106 [
107 "fn",
108 {},
109 "text",
110 "IP Manager"
111 ],
112 [
113 "kind",
114 {},
115 "text",
116 "individual"
117 ],
118 [
119 "adr",
120 {
121 "label": "Jeollanam-do Naju-si Jinheung-gil\n9"
122 },
123 "text",
124 [
125 "",
126 "",
127 "",
128 "",
129 "",
130 "",
131 ""
132 ]
133 ],
134 [
135 "tel",
136 {
137 "type": "voice"
138 },
139 "text",
140 "+82-2-405-5118"
141 ],
142 [
143 "email",
144 {},
145 "text",
146 "[email protected]"
147 ]
148 ]
149 ],
150 "objectClassName": "entity",
151 "handle": "IA98-KR"
152 },
153 {
154 "roles": [
155 "technical"
156 ],
157 "links": [
158 {
159 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
160 "rel": "self",
161 "href": "https://krnic.rdap.apnic.net/entity/IT98-KR",
162 "type": "application/rdap+json"
163 }
164 ],
165 "vcardArray": [
166 "vcard",
167 [
168 [
169 "version",
170 {},
171 "text",
172 "4.0"
173 ],
174 [
175 "fn",
176 {},
177 "text",
178 "IP Manager"
179 ],
180 [
181 "kind",
182 {},
183 "text",
184 "individual"
185 ],
186 [
187 "adr",
188 {
189 "label": "Jeollanam-do Naju-si Jinheung-gil\n9"
190 },
191 "text",
192 [
193 "",
194 "",
195 "",
196 "",
197 "",
198 "",
199 ""
200 ]
201 ],
202 [
203 "tel",
204 {
205 "type": "voice"
206 },
207 "text",
208 "+82-2-405-5118"
209 ],
210 [
211 "email",
212 {},
213 "text",
214 "[email protected]"
215 ]
216 ]
217 ],
218 "objectClassName": "entity",
219 "handle": "IT98-KR"
220 },
221 {
222 "roles": [
223 "abuse"
224 ],
225 "events": [
226 {
227 "eventAction": "last changed",
228 "eventDate": "2017-10-19T07:36:36Z"
229 }
230 ],
231 "links": [
232 {
233 "value": "https://krnic.rdap.apnic.net/ip/203.252.28.0",
234 "rel": "self",
235 "href": "https://krnic.rdap.apnic.net/entity/IRT-KRNIC-KR",
236 "type": "application/rdap+json"
237 }
238 ],
239 "vcardArray": [
240 "vcard",
241 [
242 [
243 "version",
244 {},
245 "text",
246 "4.0"
247 ],
248 [
249 "fn",
250 {},
251 "text",
252 "IRT-KRNIC-KR"
253 ],
254 [
255 "kind",
256 {},
257 "text",
258 "group"
259 ],
260 [
261 "adr",
262 {
263 "label": "Seocho-ro 398, Seocho-gu, Seoul, Korea"
264 },
265 "text",
266 [
267 "",
268 "",
269 "",
270 "",
271 "",
272 "",
273 ""
274 ]
275 ],
276 [
277 "email",
278 {},
279 "text",
280 "[email protected]"
281 ],
282 [
283 "email",
284 {
285 "pref": "1"
286 },
287 "text",
288 "[email protected]"
289 ]
290 ]
291 ],
292 "objectClassName": "entity",
293 "handle": "IRT-KRNIC-KR"
294 }
295 ],
296 "cidr0_cidrs": [
297 {
298 "v4prefix": "203.252.28.0",
299 "length": 22
300 }
301 ],
302 "port43": "whois.apnic.net"
303}
The netmask for CIDR 203.252.28.0/23 is 255.255.254.0. This defines the number of available IP addresses in the CIDR range
The network start address in CIDR 203.252.28.0/23 is 203.252.28.0 and the end address is 203.252.29.255
The ASN of 203.252.28.0/23 is -