Prefix Designation Status Region 0 IANA: Reserved for self-identification [RFC3330] RESERVED IANA 1 IANA UNALLOCATED IANA 2 IANA UNALLOCATED IANA 3 General Electric Company LEGACY Other 4 "Level 3 Communications, Inc" LEGACY Other 5 IANA UNALLOCATED IANA 6 Army Information Systems Center LEGACY Other 7 ARIN LEGACY ARIN 8 "Level 3 Communications, Inc" LEGACY Other 9 IBM LEGACY Other 10 IANA: Reserved for Private-Use Networks [RFC1918] RESERVED IANA 11 DoD Intel Information Systems LEGACY Other 12 AT&T Bell Laboratories LEGACY Other 13 Xerox Corporation LEGACY Other 14 IANA UNALLOCATED IANA 15 Hewlett-Packard Company LEGACY Other 16 Digital Equipment Corporation LEGACY Other 17 Apple Computer Inc LEGACY Other 18 MIT LEGACY Other 19 Ford Motor Company LEGACY Other 20 Computer Sciences Corporation LEGACY Other 21 DDN-RVN LEGACY Other 22 Defense Information Systems Agency LEGACY Other 23 IANA UNALLOCATED IANA 24 ARIN ALLOCATED ARIN 25 UK Ministry of Defence LEGACY Other 26 Defense Information Systems Agency LEGACY Other 27 IANA UNALLOCATED IANA 28 DSI-North LEGACY Other 29 Defense Information Systems Agency LEGACY Other 30 Defense Information Systems Agency LEGACY Other 31 IANA UNALLOCATED IANA 32 AT&T Global Network Services LEGACY Other 33 DLA Systems Automation Center LEGACY Other 34 Halliburton Company LEGACY Other 35 MERIT Computer Network LEGACY Other 36 IANA UNALLOCATED IANA 37 IANA UNALLOCATED IANA 38 Performance Systems International LEGACY Other 39 IANA UNALLOCATED IANA 40 Eli Lily & Company LEGACY Other 41 AfriNIC ALLOCATED AfriNIC 42 IANA UNALLOCATED IANA 43 Japan Inet LEGACY Other 44 Amateur Radio Digital Communications LEGACY Other 45 Interop Show Network LEGACY Other 46 IANA UNALLOCATED IANA 47 Bell-Northern Research LEGACY Other 48 Prudential Securities Inc LEGACY Other 49 IANA UNALLOCATED IANA 50 IANA UNALLOCATED IANA 51 Deparment of Social Security of UK LEGACY Other 52 "E.I. duPont de Nemours and Co., Inc" LEGACY Other 53 Cap Debis CCS LEGACY Other 54 "Merck and Co., Inc" LEGACY Other 55 DoD Network Information Center LEGACY Other 56 US Postal Service LEGACY Other 57 SITA LEGACY Other 58 APNIC ALLOCATED APNIC 59 APNIC ALLOCATED APNIC 60 APNIC ALLOCATED APNIC 61 APNIC ALLOCATED APNIC 62 RIPE NCC ALLOCATED RIPE NCC 63 ARIN ALLOCATED ARIN 64 ARIN ALLOCATED ARIN 65 ARIN ALLOCATED ARIN 66 ARIN ALLOCATED ARIN 67 ARIN ALLOCATED ARIN 68 ARIN ALLOCATED ARIN 69 ARIN ALLOCATED ARIN 70 ARIN ALLOCATED ARIN 71 ARIN ALLOCATED ARIN 72 ARIN ALLOCATED ARIN 73 ARIN ALLOCATED ARIN 74 ARIN ALLOCATED ARIN 75 ARIN ALLOCATED ARIN 76 ARIN ALLOCATED ARIN 77 RIPE NCC ALLOCATED RIPE NCC 78 RIPE NCC ALLOCATED RIPE NCC 79 RIPE NCC ALLOCATED RIPE NCC 80 RIPE NCC ALLOCATED RIPE NCC 81 RIPE NCC ALLOCATED RIPE NCC 82 RIPE NCC ALLOCATED RIPE NCC 83 RIPE NCC ALLOCATED RIPE NCC 84 RIPE NCC ALLOCATED RIPE NCC 85 RIPE NCC ALLOCATED RIPE NCC 86 RIPE NCC ALLOCATED RIPE NCC 87 RIPE NCC ALLOCATED RIPE NCC 88 RIPE NCC ALLOCATED RIPE NCC 89 RIPE NCC ALLOCATED RIPE NCC 90 RIPE NCC ALLOCATED RIPE NCC 91 RIPE NCC ALLOCATED RIPE NCC 92 RIPE NCC ALLOCATED RIPE NCC 93 RIPE NCC ALLOCATED RIPE NCC 94 RIPE NCC ALLOCATED RIPE NCC 95 RIPE NCC ALLOCATED RIPE NCC 96 ARIN ALLOCATED ARIN 97 ARIN ALLOCATED ARIN 98 ARIN ALLOCATED ARIN 99 ARIN ALLOCATED ARIN 100 IANA UNALLOCATED IANA 101 IANA UNALLOCATED IANA 102 IANA UNALLOCATED IANA 103 IANA UNALLOCATED IANA 104 IANA UNALLOCATED IANA 105 IANA UNALLOCATED IANA 106 IANA UNALLOCATED IANA 107 IANA UNALLOCATED IANA 108 IANA UNALLOCATED IANA 109 IANA UNALLOCATED IANA 110 IANA UNALLOCATED IANA 111 IANA UNALLOCATED IANA 112 APNIC ALLOCATED APNIC 113 APNIC ALLOCATED APNIC 114 APNIC ALLOCATED APNIC 115 APNIC ALLOCATED APNIC 116 APNIC ALLOCATED APNIC 117 APNIC ALLOCATED APNIC 118 APNIC ALLOCATED APNIC 119 APNIC ALLOCATED APNIC 120 APNIC ALLOCATED APNIC 121 APNIC ALLOCATED APNIC 122 APNIC ALLOCATED APNIC 123 APNIC ALLOCATED APNIC 124 APNIC ALLOCATED APNIC 125 APNIC ALLOCATED APNIC 126 APNIC ALLOCATED APNIC 127 IANA: Reserved for Loopback [RFC3330] RESERVED IANA 128 ARIN LEGACY ARIN 129 ARIN LEGACY ARIN 130 ARIN LEGACY ARIN 131 ARIN LEGACY ARIN 132 ARIN LEGACY ARIN 133 APNIC LEGACY APNIC 134 ARIN LEGACY ARIN 135 ARIN LEGACY ARIN 136 ARIN LEGACY ARIN 137 ARIN LEGACY ARIN 138 ARIN LEGACY ARIN 139 ARIN LEGACY ARIN 140 ARIN LEGACY ARIN 141 RIPE NCC LEGACY RIPE NCC 142 ARIN LEGACY ARIN 143 ARIN LEGACY ARIN 144 ARIN LEGACY ARIN 145 RIPE NCC LEGACY RIPE NCC 146 ARIN LEGACY ARIN 147 ARIN LEGACY ARIN 148 ARIN LEGACY ARIN 149 ARIN LEGACY ARIN 150 APNIC LEGACY APNIC 151 RIPE NCC LEGACY RIPE NCC 152 ARIN LEGACY ARIN 153 APNIC LEGACY APNIC 154 AfriNIC LEGACY AfriNIC 155 ARIN LEGACY ARIN 156 ARIN LEGACY ARIN 157 ARIN LEGACY ARIN 158 ARIN LEGACY ARIN 159 ARIN LEGACY ARIN 160 ARIN LEGACY ARIN 161 ARIN LEGACY ARIN 162 ARIN LEGACY ARIN 163 APNIC LEGACY APNIC 164 ARIN LEGACY ARIN 165 ARIN LEGACY ARIN 166 ARIN LEGACY ARIN 167 ARIN LEGACY ARIN 168 ARIN LEGACY ARIN 169 ARIN LEGACY ARIN 170 ARIN LEGACY ARIN 171 APNIC LEGACY APNIC 172 ARIN LEGACY ARIN 173 ARIN ALLOCATED ARIN 174 ARIN ALLOCATED ARIN 175 IANA UNALLOCATED IANA 176 IANA UNALLOCATED IANA 177 IANA UNALLOCATED IANA 178 IANA UNALLOCATED IANA 179 IANA UNALLOCATED IANA 180 IANA UNALLOCATED IANA 181 IANA UNALLOCATED IANA 182 IANA UNALLOCATED IANA 183 IANA UNALLOCATED IANA 184 IANA UNALLOCATED IANA 185 IANA UNALLOCATED IANA 186 LACNIC ALLOCATED LACNIC 187 LACNIC ALLOCATED LACNIC 188 RIPE NCC LEGACY RIPE NCC 189 LACNIC ALLOCATED LACNIC 190 LACNIC ALLOCATED LACNIC 191 LACNIC LEGACY LACNIC 192 ARIN LEGACY ARIN 193 RIPE NCC ALLOCATED RIPE NCC 194 RIPE NCC ALLOCATED RIPE NCC 195 RIPE NCC ALLOCATED RIPE NCC 196 AfriNIC LEGACY AfriNIC 197 IANA UNALLOCATED IANA 198 ARIN LEGACY ARIN 199 ARIN ALLOCATED ARIN 200 LACNIC ALLOCATED LACNIC 201 LACNIC ALLOCATED LACNIC 202 APNIC ALLOCATED APNIC 203 APNIC ALLOCATED APNIC 204 ARIN ALLOCATED ARIN 205 ARIN ALLOCATED ARIN 206 ARIN ALLOCATED ARIN 207 ARIN ALLOCATED ARIN 208 ARIN ALLOCATED ARIN 209 ARIN ALLOCATED ARIN 210 APNIC ALLOCATED APNIC 211 APNIC ALLOCATED APNIC 212 RIPE NCC ALLOCATED RIPE NCC 213 RIPE NCC ALLOCATED RIPE NCC 214 US-DOD LEGACY Other 215 US-DOD LEGACY Other 216 ARIN ALLOCATED ARIN 217 RIPE NCC ALLOCATED RIPE NCC 218 APNIC ALLOCATED APNIC 219 APNIC ALLOCATED APNIC 220 APNIC ALLOCATED APNIC 221 APNIC ALLOCATED APNIC 222 APNIC ALLOCATED APNIC 223 IANA UNALLOCATED IANA 224 Multicast [RFC1700] RESERVED Multicast 225 Multicast [RFC1700] RESERVED Multicast 226 Multicast [RFC1700] RESERVED Multicast 227 Multicast [RFC1700] RESERVED Multicast 228 Multicast [RFC1700] RESERVED Multicast 229 Multicast [RFC1700] RESERVED Multicast 230 Multicast [RFC1700] RESERVED Multicast 231 Multicast [RFC1700] RESERVED Multicast 232 Multicast [RFC1700] RESERVED Multicast 233 Multicast [RFC1700] RESERVED Multicast 234 Multicast [RFC1700] RESERVED Multicast 235 Multicast [RFC1700] RESERVED Multicast 236 Multicast [RFC1700] RESERVED Multicast 237 Multicast [RFC1700] RESERVED Multicast 238 Multicast [RFC1700] RESERVED Multicast 239 Multicast [RFC1700] RESERVED Multicast 240 Future use [RFC1700] RESERVED IANA 241 Future use [RFC1700] RESERVED IANA 242 Future use [RFC1700] RESERVED IANA 243 Future use [RFC1700] RESERVED IANA 244 Future use [RFC1700] RESERVED IANA 245 Future use [RFC1700] RESERVED IANA 246 Future use [RFC1700] RESERVED IANA 247 Future use [RFC1700] RESERVED IANA 248 Future use [RFC1700] RESERVED IANA 249 Future use [RFC1700] RESERVED IANA 250 Future use [RFC1700] RESERVED IANA 251 Future use [RFC1700] RESERVED IANA 252 Future use [RFC1700] RESERVED IANA 253 Future use [RFC1700] RESERVED IANA 254 Future use [RFC1700] RESERVED IANA 255 Future use [RFC1700] RESERVED IANA