ASN Lookup Tool
AS19905 NeuStar Inc.

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS19905

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ASN Extended Info API

ASN Details JSON View

ASN Details

ASN

AS19905

Organisation

NeuStar Inc.

AS Name

ULTRADDOS

IPv4 Addresses Announced

47,360

IPv4 Prefixes Announced

166

Bogon Prefixes Announced

IPv4 Space Rank

#4,276 out of 75,057

Registry

ARIN

Registered Country

Registration Date

2007-08-24

Registration Change

2022-05-03

Receiving From

ASN

Organisation

ASN

AS7018

Organisation

ATT Services Inc.

ASN

AS3356

Organisation

Level 3 Parent LLC

ASN

AS1257

Organisation

Tele2 Sverige AB

ASN

AS2914

Organisation

NTT America Inc.

ASN

AS3549

Organisation

Level 3 Parent LLC

ASN

AS3257

Organisation

GTT Communications Inc.

ASN

AS9498

Organisation

Bharti Airtel Limited

ASN

AS3491

Organisation

PCCW Global Inc.

ASN

AS3249

Organisation

Telia Eesti AS

ASN

AS4809

Organisation

China Telecom Next Generation Carrier Network

Showing 10 of 19 Results View More >

Transit To

ASN

Organisation

ASN

AS8612

Organisation

Tiscali Italia S.P.A.

ASN

AS27715

Organisation

Locaweb Servios de Internet SA

ASN

AS45753

Organisation

Netsec Limited

ASN

AS20738

Organisation

Host Europe GmbH

ASN

AS20773

Organisation

Host Europe GmbH

ASN

AS15625

Organisation

ING Bank N.V.

ASN

AS133847

Organisation

Anpple Tech Enterprise

ASN

AS24806

Organisation

INTERNET CZ a.s.

ASN

AS48582

Organisation

ngena GmbH

ASN

AS33362

Organisation

Wikstrom Telephone Company Incorporated

Showing 10 of 44 Results View More >

Active Prefixes

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Showing 10 of 166 Results View More >

1

{
2

"asn": "AS19905",
3

"asnNumeric": 19905,
4

"organisation": "NeuStar Inc.",
5

"name": "ULTRADDOS",
6

"registry": "ARIN",
7

"registeredCountry": "US",
8

"registeredCountryName": "United States of America",
9

"registrationDate": "2007-08-24",
10

"registrationLastChange": "2022-05-03",
11

"totalIpv4Addresses": 47360,
12

"totalIpv4Prefixes": 166,
13

"totalIpv4BogonPrefixes": 0,
14

"rank": 4276,
15

"rankText": "#4,276 out of 75,057",
16

"receivingFrom": [...]
- 17
  
  {...}
  - 18
    
    "asn": "AS7018",
  - 19
    
    "asnNumeric": 7018,
  - 20
    
    "organisation": "ATT Services Inc.",
  - 21
    
    "name": "ATT-INTERNET4",
  - 22
    
    "registry": "ARIN",
  - 23
    
    "registeredCountry": "US",
  - 24
    
    "registeredCountryName": "United States of America",
  - 25
    
    "totalIpv4Addresses": 96886510,
  - 26
    
    "rank": 3
  - 27
    
    },
- 28
  
  {...}
  - 29
    
    "asn": "AS3356",
  - 30
    
    "asnNumeric": 3356,
  - 31
    
    "organisation": "Level 3 Parent LLC",
  - 32
    
    "name": "LEVEL3",
  - 33
    
    "registry": "ARIN",
  - 34
    
    "registeredCountry": "US",
  - 35
    
    "registeredCountryName": "United States of America",
  - 36
    
    "totalIpv4Addresses": 28201242,
  - 37
    
    "rank": 14
  - 38
    
    },
- 39
  
  {...}
  - 40
    
    "asn": "AS1257",
  - 41
    
    "asnNumeric": 1257,
  - 42
    
    "organisation": "Tele2 Sverige AB",
  - 43
    
    "name": "SWIPNET",
  - 44
    
    "registry": "RIPE",
  - 45
    
    "registeredCountry": "SE",
  - 46
    
    "registeredCountryName": "Sweden",
  - 47
    
    "totalIpv4Addresses": 6700544,
  - 48
    
    "rank": 74
  - 49
    
    },
- 50
  
  {...}
  - 51
    
    "asn": "AS2914",
  - 52
    
    "asnNumeric": 2914,
  - 53
    
    "organisation": "NTT America Inc.",
  - 54
    
    "name": "NTT-LTD-2914",
  - 55
    
    "registry": "ARIN",
  - 56
    
    "registeredCountry": "US",
  - 57
    
    "registeredCountryName": "United States of America",
  - 58
    
    "totalIpv4Addresses": 6650182,
  - 59
    
    "rank": 75
  - 60
    
    },
- 61
  
  {...}
  - 62
    
    "asn": "AS3549",
  - 63
    
    "asnNumeric": 3549,
  - 64
    
    "organisation": "Level 3 Parent LLC",
  - 65
    
    "name": "LVLT-3549",
  - 66
    
    "registry": "ARIN",
  - 67
    
    "registeredCountry": "US",
  - 68
    
    "registeredCountryName": "United States of America",
  - 69
    
    "totalIpv4Addresses": 4916233,
  - 70
    
    "rank": 103
  - 71
    
    },
- 72
  
  {...}
  - 73
    
    "asn": "AS3257",
  - 74
    
    "asnNumeric": 3257,
  - 75
    
    "organisation": "GTT Communications Inc.",
  - 76
    
    "name": "GTT-BACKBONE",
  - 77
    
    "registry": "RIPE",
  - 78
    
    "registeredCountry": "US",
  - 79
    
    "registeredCountryName": "United States of America",
  - 80
    
    "totalIpv4Addresses": 3115672,
  - 81
    
    "rank": 152
  - 82
    
    },
- 83
  
  {...}
  - 84
    
    "asn": "AS9498",
  - 85
    
    "asnNumeric": 9498,
  - 86
    
    "organisation": "Bharti Airtel Limited",
  - 87
    
    "name": "BBIL-AP",
  - 88
    
    "registry": "APNIC",
  - 89
    
    "registeredCountry": "IN",
  - 90
    
    "registeredCountryName": "India",
  - 91
    
    "totalIpv4Addresses": 1780480,
  - 92
    
    "rank": 237
  - 93
    
    },
- 94
  
  {...}
  - 95
    
    "asn": "AS3491",
  - 96
    
    "asnNumeric": 3491,
  - 97
    
    "organisation": "PCCW Global Inc.",
  - 98
    
    "name": "BTN-ASN",
  - 99
    
    "registry": "ARIN",
  - 100
    
    "registeredCountry": "US",
  - 101
    
    "registeredCountryName": "United States of America",
  - 102
    
    "totalIpv4Addresses": 954111,
  - 103
    
    "rank": 391
  - 104
    
    },
- 105
  
  {...}
  - 106
    
    "asn": "AS3249",
  - 107
    
    "asnNumeric": 3249,
  - 108
    
    "organisation": "Telia Eesti AS",
  - 109
    
    "name": "ESTPAK",
  - 110
    
    "registry": "RIPE",
  - 111
    
    "registeredCountry": "EE",
  - 112
    
    "registeredCountryName": "Estonia",
  - 113
    
    "totalIpv4Addresses": 603392,
  - 114
    
    "rank": 519
  - 115
    
    },
- 116
  
  {...}
  - 117
    
    "asn": "AS4809",
  - 118
    
    "asnNumeric": 4809,
  - 119
    
    "organisation": "China Telecom Next Generation Carrier Network",
  - 120
    
    "name": "CHINATELECOM-CORE-WAN-CN2",
  - 121
    
    "registry": "APNIC",
  - 122
    
    "registeredCountry": "CN",
  - 123
    
    "registeredCountryName": "People's Republic of China",
  - 124
    
    "totalIpv4Addresses": 562944,
  - 125
    
    "rank": 546
  - 126
    
    },
- 127
  
  {...}
  - 128
    
    "asn": "AS14080",
  - 129
    
    "asnNumeric": 14080,
  - 130
    
    "organisation": "Telmex Colombia S.A.",
  - 131
    
    "name": "",
  - 132
    
    "registry": "LACNIC",
  - 133
    
    "registeredCountry": "CO",
  - 134
    
    "registeredCountryName": "Colombia",
  - 135
    
    "totalIpv4Addresses": 447744,
  - 136
    
    "rank": 646
  - 137
    
    },
- 138
  
  {...}
  - 139
    
    "asn": "AS58453",
  - 140
    
    "asnNumeric": 58453,
  - 141
    
    "organisation": "China Mobile International Limited",
  - 142
    
    "name": "CMI-INT-HK",
  - 143
    
    "registry": "APNIC",
  - 144
    
    "registeredCountry": "HK",
  - 145
    
    "registeredCountryName": "Hong Kong",
  - 146
    
    "totalIpv4Addresses": 192512,
  - 147
    
    "rank": 1182
  - 148
    
    },
- 149
  
  {...}
  - 150
    
    "asn": "AS33132",
  - 151
    
    "asnNumeric": 33132,
  - 152
    
    "organisation": "Fibernet Direct",
  - 153
    
    "name": "FIBERNET-DIRECT",
  - 154
    
    "registry": "ARIN",
  - 155
    
    "registeredCountry": "US",
  - 156
    
    "registeredCountryName": "United States of America",
  - 157
    
    "totalIpv4Addresses": 138752,
  - 158
    
    "rank": 1471
  - 159
    
    },
- 160
  
  {...}
  - 161
    
    "asn": "AS22822",
  - 162
    
    "asnNumeric": 22822,
  - 163
    
    "organisation": "Limelight Networks Inc.",
  - 164
    
    "name": "LLNW",
  - 165
    
    "registry": "ARIN",
  - 166
    
    "registeredCountry": "US",
  - 167
    
    "registeredCountryName": "United States of America",
  - 168
    
    "totalIpv4Addresses": 132352,
  - 169
    
    "rank": 1555
  - 170
    
    },
- 171
  
  {...}
  - 172
    
    "asn": "AS30781",
  - 173
    
    "asnNumeric": 30781,
  - 174
    
    "organisation": "Jaguar Network SAS",
  - 175
    
    "name": "JAGUAR-AS",
  - 176
    
    "registry": "RIPE",
  - 177
    
    "registeredCountry": "FR",
  - 178
    
    "registeredCountryName": "France",
  - 179
    
    "totalIpv4Addresses": 95232,
  - 180
    
    "rank": 2009
  - 181
    
    },
- 182
  
  {...}
  - 183
    
    "asn": "AS29684",
  - 184
    
    "asnNumeric": 29684,
  - 185
    
    "organisation": "Nour Communication Co.Ltd Nournet",
  - 186
    
    "name": "NOURNET-ASN",
  - 187
    
    "registry": "RIPE",
  - 188
    
    "registeredCountry": "SA",
  - 189
    
    "registeredCountryName": "Saudi Arabia",
  - 190
    
    "totalIpv4Addresses": 29184,
  - 191
    
    "rank": 5332
  - 192
    
    },
- 193
  
  {...}
  - 194
    
    "asn": "AS12085",
  - 195
    
    "asnNumeric": 12085,
  - 196
    
    "organisation": "Equinix Inc.",
  - 197
    
    "name": "EQUINIX-EC-DC",
  - 198
    
    "registry": "ARIN",
  - 199
    
    "registeredCountry": "US",
  - 200
    
    "registeredCountryName": "United States of America",
  - 201
    
    "totalIpv4Addresses": 15360,
  - 202
    
    "rank": 7553
  - 203
    
    },
- 204
  
  {...}
  - 205
    
    "asn": "AS23059",
  - 206
    
    "asnNumeric": 23059,
  - 207
    
    "organisation": "Limelight Networks Inc.",
  - 208
    
    "name": "LLNW-LATAM",
  - 209
    
    "registry": "ARIN",
  - 210
    
    "registeredCountry": "US",
  - 211
    
    "registeredCountryName": "United States of America",
  - 212
    
    "totalIpv4Addresses": 4096,
  - 213
    
    "rank": 15541
  - 214
    
    },
- 215
  
  {...}
  - 216
    
    "asn": "AS38622",
  - 217
    
    "asnNumeric": 38622,
  - 218
    
    "organisation": "Limelight Networks Inc.",
  - 219
    
    "name": "LLNW-AU",
  - 220
    
    "registry": "APNIC",
  - 221
    
    "registeredCountry": "SG",
  - 222
    
    "registeredCountryName": "Singapore",
  - 223
    
    "totalIpv4Addresses": 3584,
  - 224
    
    "rank": 17467
  - 225
    
    }
- 226
  
  ],
227

"transitTo": [...]
- 228
  
  {...}
  - 229
    
    "asn": "AS8612",
  - 230
    
    "asnNumeric": 8612,
  - 231
    
    "organisation": "Tiscali Italia S.P.A.",
  - 232
    
    "name": "TISCALI-IT",
  - 233
    
    "registry": "RIPE",
  - 234
    
    "registeredCountry": "IT",
  - 235
    
    "registeredCountryName": "Italy",
  - 236
    
    "totalIpv4Addresses": 1528064,
  - 237
    
    "rank": 271
  - 238
    
    },
- 239
  
  {...}
  - 240
    
    "asn": "AS27715",
  - 241
    
    "asnNumeric": 27715,
  - 242
    
    "organisation": "Locaweb Servios de Internet SA",
  - 243
    
    "name": "",
  - 244
    
    "registry": "LACNIC",
  - 245
    
    "registeredCountry": "BR",
  - 246
    
    "registeredCountryName": "Brazil",
  - 247
    
    "totalIpv4Addresses": 291328,
  - 248
    
    "rank": 877
  - 249
    
    },
- 250
  
  {...}
  - 251
    
    "asn": "AS45753",
  - 252
    
    "asnNumeric": 45753,
  - 253
    
    "organisation": "Netsec Limited",
  - 254
    
    "name": "NETSEC-HK",
  - 255
    
    "registry": "APNIC",
  - 256
    
    "registeredCountry": "HK",
  - 257
    
    "registeredCountryName": "Hong Kong",
  - 258
    
    "totalIpv4Addresses": 111104,
  - 259
    
    "rank": 1833
  - 260
    
    },
- 261
  
  {...}
  - 262
    
    "asn": "AS20738",
  - 263
    
    "asnNumeric": 20738,
  - 264
    
    "organisation": "Host Europe GmbH",
  - 265
    
    "name": "GD-EMEA-DC-LD5",
  - 266
    
    "registry": "RIPE",
  - 267
    
    "registeredCountry": "DE",
  - 268
    
    "registeredCountryName": "Germany",
  - 269
    
    "totalIpv4Addresses": 107008,
  - 270
    
    "rank": 1868
  - 271
    
    },
- 272
  
  {...}
  - 273
    
    "asn": "AS20773",
  - 274
    
    "asnNumeric": 20773,
  - 275
    
    "organisation": "Host Europe GmbH",
  - 276
    
    "name": "GODADDY",
  - 277
    
    "registry": "RIPE",
  - 278
    
    "registeredCountry": "DE",
  - 279
    
    "registeredCountryName": "Germany",
  - 280
    
    "totalIpv4Addresses": 105216,
  - 281
    
    "rank": 1892
  - 282
    
    },
- 283
  
  {...}
  - 284
    
    "asn": "AS15625",
  - 285
    
    "asnNumeric": 15625,
  - 286
    
    "organisation": "ING Bank N.V.",
  - 287
    
    "name": "ING-AS",
  - 288
    
    "registry": "RIPE",
  - 289
    
    "registeredCountry": "NL",
  - 290
    
    "registeredCountryName": "Kingdom of the Netherlands",
  - 291
    
    "totalIpv4Addresses": 81920,
  - 292
    
    "rank": 2233
  - 293
    
    },
- 294
  
  {...}
  - 295
    
    "asn": "AS133847",
  - 296
    
    "asnNumeric": 133847,
  - 297
    
    "organisation": "Anpple Tech Enterprise",
  - 298
    
    "name": "ICT-AS-AP",
  - 299
    
    "registry": "APNIC",
  - 300
    
    "registeredCountry": "MY",
  - 301
    
    "registeredCountryName": "Malaysia",
  - 302
    
    "totalIpv4Addresses": 49152,
  - 303
    
    "rank": 4227
  - 304
    
    },
- 305
  
  {...}
  - 306
    
    "asn": "AS24806",
  - 307
    
    "asnNumeric": 24806,
  - 308
    
    "organisation": "INTERNET CZ a.s.",
  - 309
    
    "name": "INTERNET-CZ",
  - 310
    
    "registry": "RIPE",
  - 311
    
    "registeredCountry": "CZ",
  - 312
    
    "registeredCountryName": "Czech Republic",
  - 313
    
    "totalIpv4Addresses": 45824,
  - 314
    
    "rank": 4330
  - 315
    
    },
- 316
  
  {...}
  - 317
    
    "asn": "AS48582",
  - 318
    
    "asnNumeric": 48582,
  - 319
    
    "organisation": "ngena GmbH",
  - 320
    
    "name": "ngena-nw",
  - 321
    
    "registry": "RIPE",
  - 322
    
    "registeredCountry": "DE",
  - 323
    
    "registeredCountryName": "Germany",
  - 324
    
    "totalIpv4Addresses": 29184,
  - 325
    
    "rank": 5335
  - 326
    
    },
- 327
  
  {...}
  - 328
    
    "asn": "AS33362",
  - 329
    
    "asnNumeric": 33362,
  - 330
    
    "organisation": "Wikstrom Telephone Company Incorporated",
  - 331
    
    "name": "WIKTEL",
  - 332
    
    "registry": "ARIN",
  - 333
    
    "registeredCountry": "US",
  - 334
    
    "registeredCountryName": "United States of America",
  - 335
    
    "totalIpv4Addresses": 26624,
  - 336
    
    "rank": 5532
  - 337
    
    },
- 338
  
  {...}
  - 339
    
    "asn": "AS200185",
  - 340
    
    "asnNumeric": 200185,
  - 341
    
    "organisation": "Aruba SAS",
  - 342
    
    "name": "XANDMAIL-ASN",
  - 343
    
    "registry": "RIPE",
  - 344
    
    "registeredCountry": "FR",
  - 345
    
    "registeredCountryName": "France",
  - 346
    
    "totalIpv4Addresses": 14336,
  - 347
    
    "rank": 7860
  - 348
    
    },
- 349
  
  {...}
  - 350
    
    "asn": "AS19524",
  - 351
    
    "asnNumeric": 19524,
  - 352
    
    "organisation": "Comerica Incorporated",
  - 353
    
    "name": "COMERICA-INC",
  - 354
    
    "registry": "ARIN",
  - 355
    
    "registeredCountry": "US",
  - 356
    
    "registeredCountryName": "United States of America",
  - 357
    
    "totalIpv4Addresses": 13312,
  - 358
    
    "rank": 8035
  - 359
    
    },
- 360
  
  {...}
  - 361
    
    "asn": "AS11313",
  - 362
    
    "asnNumeric": 11313,
  - 363
    
    "organisation": "Fannie Mae",
  - 364
    
    "name": "FANNIEMAE",
  - 365
    
    "registry": "ARIN",
  - 366
    
    "registeredCountry": "US",
  - 367
    
    "registeredCountryName": "United States of America",
  - 368
    
    "totalIpv4Addresses": 12288,
  - 369
    
    "rank": 8333
  - 370
    
    },
- 371
  
  {...}
  - 372
    
    "asn": "AS26380",
  - 373
    
    "asnNumeric": 26380,
  - 374
    
    "organisation": "MasterCard Technologies LLC",
  - 375
    
    "name": "MASTER-7-AS",
  - 376
    
    "registry": "ARIN",
  - 377
    
    "registeredCountry": "US",
  - 378
    
    "registeredCountryName": "United States of America",
  - 379
    
    "totalIpv4Addresses": 11392,
  - 380
    
    "rank": 8721
  - 381
    
    },
- 382
  
  {...}
  - 383
    
    "asn": "AS26848",
  - 384
    
    "asnNumeric": 26848,
  - 385
    
    "organisation": "Principal Financial Group",
  - 386
    
    "name": "PFG-ASN-1",
  - 387
    
    "registry": "ARIN",
  - 388
    
    "registeredCountry": "US",
  - 389
    
    "registeredCountryName": "United States of America",
  - 390
    
    "totalIpv4Addresses": 6400,
  - 391
    
    "rank": 12353
  - 392
    
    },
- 393
  
  {...}
  - 394
    
    "asn": "AS10584",
  - 395
    
    "asnNumeric": 10584,
  - 396
    
    "organisation": "TradeWeb LLC",
  - 397
    
    "name": "TRADEWEB",
  - 398
    
    "registry": "ARIN",
  - 399
    
    "registeredCountry": "US",
  - 400
    
    "registeredCountryName": "United States of America",
  - 401
    
    "totalIpv4Addresses": 5120,
  - 402
    
    "rank": 13550
  - 403
    
    },
- 404
  
  {...}
  - 405
    
    "asn": "AS43281",
  - 406
    
    "asnNumeric": 43281,
  - 407
    
    "organisation": "Privredno drustvo za trgovinu i usluge STEPANOVIC SIPKA",
  - 408
    
    "name": "stepanovic",
  - 409
    
    "registry": "RIPE",
  - 410
    
    "registeredCountry": "RS",
  - 411
    
    "registeredCountryName": "Serbia",
  - 412
    
    "totalIpv4Addresses": 3072,
  - 413
    
    "rank": 18514
  - 414
    
    },
- 415
  
  {...}
  - 416
    
    "asn": "AS19305",
  - 417
    
    "asnNumeric": 19305,
  - 418
    
    "organisation": "Transaction Network Services Inc.",
  - 419
    
    "name": "TNSI-AS-19305",
  - 420
    
    "registry": "ARIN",
  - 421
    
    "registeredCountry": "US",
  - 422
    
    "registeredCountryName": "United States of America",
  - 423
    
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}

ASN Lookup Tool
AS19905 NeuStar Inc.

AS19905

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ASN Lookup Tool AS19905 NeuStar Inc.

AS19905

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AS19905 NeuStar Inc.