ASN Lookup Tool
AS553 Universitaet Stuttgart

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:

AS553

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ASN Extended Info API

ASN Details JSON View

ASN Details

ASN

AS553

Organisation

Universitaet Stuttgart

AS Name

BELWUE

IPv4 Addresses Announced

2,112,000

IPv4 Prefixes Announced

134

Bogon Prefixes Announced

IPv4 Space Rank

#208 out of 75,035

Registry

RIPE

Registered Country

Registration Date

2002-08-27

Registration Change

2020-11-24

Receiving From

ASN

Organisation

ASN

AS3320

Organisation

Deutsche Telekom AG

ASN

AS3356

Organisation

Level 3 Parent LLC

ASN

AS174

Organisation

Cogent Communications

ASN

AS1239

Organisation

Sprint

ASN

AS3209

Organisation

Vodafone GmbH

ASN

AS36351

Organisation

SoftLayer Technologies Inc.

ASN

AS3303

Organisation

Swisscom Schweiz AG

ASN

AS5713

Organisation

Telkom SA Ltd.

ASN

AS6461

Organisation

Zayo Bandwidth

ASN

AS37100

Organisation

SEACOM Limited

Showing 10 of 50 Results View More >

Transit To

ASN

Organisation

ASN

AS34878

Organisation

Karlsruhe Institute of Technology

ASN

AS5501

Organisation

FraunhoferGesellschaft zur Foerderung der angewandten Forschung e.V.

ASN

AS42873

Organisation

MaxPlanckGesellschaft zur Forderung der Wissenschaften e.V.

ASN

AS60824

Organisation

FraunhoferGesellschaft zur Foerderung der angewandten Forschung e.V.

ASN

AS50964

Organisation

Kommunale Informationsverarbeitung BadenFranken

ASN

AS29010

Organisation

asknet AG

ASN

AS35052

Organisation

ACONET

ASN

AS39100

Organisation

Stadtverwaltung Pforzheim

ASN

AS49488

Organisation

nic.at GmbH

ASN

AS49739

Organisation

Regionale Kliniken Holding RKH GmbH

Showing 10 of 12 Results View More >

Active Prefixes

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Showing 10 of 134 Results View More >

1

{
2

"asn": "AS553",
3

"asnNumeric": 553,
4

"organisation": "Universitaet Stuttgart",
5

"name": "BELWUE",
6

"registry": "RIPE",
7

"registeredCountry": "DE",
8

"registeredCountryName": "Germany",
9

"registrationDate": "2002-08-27",
10

"registrationLastChange": "2020-11-24",
11

"totalIpv4Addresses": 2112000,
12

"totalIpv4Prefixes": 134,
13

"totalIpv4BogonPrefixes": 0,
14

"rank": 208,
15

"rankText": "#208 out of 75,035",
16

"receivingFrom": [...]
- 17
  
  {...}
  - 18
    
    "asn": "AS3320",
  - 19
    
    "asnNumeric": 3320,
  - 20
    
    "organisation": "Deutsche Telekom AG",
  - 21
    
    "name": "DTAG",
  - 22
    
    "registry": "RIPE",
  - 23
    
    "registeredCountry": "DE",
  - 24
    
    "registeredCountryName": "Germany",
  - 25
    
    "totalIpv4Addresses": 33981944,
  - 26
    
    "rank": 11
  - 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": 28203419,
  - 37
    
    "rank": 14
  - 38
    
    },
- 39
  
  {...}
  - 40
    
    "asn": "AS174",
  - 41
    
    "asnNumeric": 174,
  - 42
    
    "organisation": "Cogent Communications",
  - 43
    
    "name": "COGENT-174",
  - 44
    
    "registry": "ARIN",
  - 45
    
    "registeredCountry": "US",
  - 46
    
    "registeredCountryName": "United States of America",
  - 47
    
    "totalIpv4Addresses": 21935330,
  - 48
    
    "rank": 15
  - 49
    
    },
- 50
  
  {...}
  - 51
    
    "asn": "AS1239",
  - 52
    
    "asnNumeric": 1239,
  - 53
    
    "organisation": "Sprint",
  - 54
    
    "name": "SPRINTLINK",
  - 55
    
    "registry": "ARIN",
  - 56
    
    "registeredCountry": "US",
  - 57
    
    "registeredCountryName": "United States of America",
  - 58
    
    "totalIpv4Addresses": 17450744,
  - 59
    
    "rank": 24
  - 60
    
    },
- 61
  
  {...}
  - 62
    
    "asn": "AS3209",
  - 63
    
    "asnNumeric": 3209,
  - 64
    
    "organisation": "Vodafone GmbH",
  - 65
    
    "name": "VODANET",
  - 66
    
    "registry": "RIPE",
  - 67
    
    "registeredCountry": "DE",
  - 68
    
    "registeredCountryName": "Germany",
  - 69
    
    "totalIpv4Addresses": 11532288,
  - 70
    
    "rank": 39
  - 71
    
    },
- 72
  
  {...}
  - 73
    
    "asn": "AS36351",
  - 74
    
    "asnNumeric": 36351,
  - 75
    
    "organisation": "SoftLayer Technologies Inc.",
  - 76
    
    "name": "SOFTLAYER",
  - 77
    
    "registry": "ARIN",
  - 78
    
    "registeredCountry": "US",
  - 79
    
    "registeredCountryName": "United States of America",
  - 80
    
    "totalIpv4Addresses": 4525057,
  - 81
    
    "rank": 115
  - 82
    
    },
- 83
  
  {...}
  - 84
    
    "asn": "AS3303",
  - 85
    
    "asnNumeric": 3303,
  - 86
    
    "organisation": "Swisscom Schweiz AG",
  - 87
    
    "name": "SWISSCOM",
  - 88
    
    "registry": "RIPE",
  - 89
    
    "registeredCountry": "CH",
  - 90
    
    "registeredCountryName": "Switzerland",
  - 91
    
    "totalIpv4Addresses": 3569664,
  - 92
    
    "rank": 143
  - 93
    
    },
- 94
  
  {...}
  - 95
    
    "asn": "AS5713",
  - 96
    
    "asnNumeric": 5713,
  - 97
    
    "organisation": "Telkom SA Ltd.",
  - 98
    
    "name": "SAIX-NET",
  - 99
    
    "registry": "AFRINIC",
  - 100
    
    "registeredCountry": "ZA",
  - 101
    
    "registeredCountryName": "South Africa",
  - 102
    
    "totalIpv4Addresses": 1693282,
  - 103
    
    "rank": 250
  - 104
    
    },
- 105
  
  {...}
  - 106
    
    "asn": "AS6461",
  - 107
    
    "asnNumeric": 6461,
  - 108
    
    "organisation": "Zayo Bandwidth",
  - 109
    
    "name": "ZAYO-6461",
  - 110
    
    "registry": "ARIN",
  - 111
    
    "registeredCountry": "US",
  - 112
    
    "registeredCountryName": "United States of America",
  - 113
    
    "totalIpv4Addresses": 1373312,
  - 114
    
    "rank": 298
  - 115
    
    },
- 116
  
  {...}
  - 117
    
    "asn": "AS37100",
  - 118
    
    "asnNumeric": 37100,
  - 119
    
    "organisation": "SEACOM Limited",
  - 120
    
    "name": "SEACOM-AS",
  - 121
    
    "registry": "AFRINIC",
  - 122
    
    "registeredCountry": "MU",
  - 123
    
    "registeredCountryName": "Mauritius",
  - 124
    
    "totalIpv4Addresses": 1072640,
  - 125
    
    "rank": 360
  - 126
    
    },
- 127
  
  {...}
  - 128
    
    "asn": "AS8426",
  - 129
    
    "asnNumeric": 8426,
  - 130
    
    "organisation": "Claranet Limited",
  - 131
    
    "name": "CLARANET-AS",
  - 132
    
    "registry": "RIPE",
  - 133
    
    "registeredCountry": "GB",
  - 134
    
    "registeredCountryName": "United Kingdom",
  - 135
    
    "totalIpv4Addresses": 977408,
  - 136
    
    "rank": 383
  - 137
    
    },
- 138
  
  {...}
  - 139
    
    "asn": "AS9145",
  - 140
    
    "asnNumeric": 9145,
  - 141
    
    "organisation": "EWE TEL GmbH",
  - 142
    
    "name": "EWETEL",
  - 143
    
    "registry": "RIPE",
  - 144
    
    "registeredCountry": "DE",
  - 145
    
    "registeredCountryName": "Germany",
  - 146
    
    "totalIpv4Addresses": 924977,
  - 147
    
    "rank": 395
  - 148
    
    },
- 149
  
  {...}
  - 150
    
    "asn": "AS5413",
  - 151
    
    "asnNumeric": 5413,
  - 152
    
    "organisation": "Daisy Corporate Services Trading Ltd",
  - 153
    
    "name": "AS5413",
  - 154
    
    "registry": "RIPE",
  - 155
    
    "registeredCountry": "GB",
  - 156
    
    "registeredCountryName": "United Kingdom",
  - 157
    
    "totalIpv4Addresses": 742400,
  - 158
    
    "rank": 458
  - 159
    
    },
- 160
  
  {...}
  - 161
    
    "asn": "AS12552",
  - 162
    
    "asnNumeric": 12552,
  - 163
    
    "organisation": "GlobalConnect AB",
  - 164
    
    "name": "IPO-EU",
  - 165
    
    "registry": "RIPE",
  - 166
    
    "registeredCountry": "SE",
  - 167
    
    "registeredCountryName": "Sweden",
  - 168
    
    "totalIpv4Addresses": 636672,
  - 169
    
    "rank": 505
  - 170
    
    },
- 171
  
  {...}
  - 172
    
    "asn": "AS13237",
  - 173
    
    "asnNumeric": 13237,
  - 174
    
    "organisation": "euNetworks GmbH",
  - 175
    
    "name": "LAMBDANET-AS",
  - 176
    
    "registry": "RIPE",
  - 177
    
    "registeredCountry": "DE",
  - 178
    
    "registeredCountryName": "Germany",
  - 179
    
    "totalIpv4Addresses": 530676,
  - 180
    
    "rank": 576
  - 181
    
    },
- 182
  
  {...}
  - 183
    
    "asn": "AS6939",
  - 184
    
    "asnNumeric": 6939,
  - 185
    
    "organisation": "Hurricane Electric LLC",
  - 186
    
    "name": "HURRICANE",
  - 187
    
    "registry": "ARIN",
  - 188
    
    "registeredCountry": "US",
  - 189
    
    "registeredCountryName": "United States of America",
  - 190
    
    "totalIpv4Addresses": 424960,
  - 191
    
    "rank": 670
  - 192
    
    },
- 193
  
  {...}
  - 194
    
    "asn": "AS31133",
  - 195
    
    "asnNumeric": 31133,
  - 196
    
    "organisation": "PJSC MegaFon",
  - 197
    
    "name": "MF-MGSM-AS",
  - 198
    
    "registry": "RIPE",
  - 199
    
    "registeredCountry": "RU",
  - 200
    
    "registeredCountryName": "Russia",
  - 201
    
    "totalIpv4Addresses": 340481,
  - 202
    
    "rank": 757
  - 203
    
    },
- 204
  
  {...}
  - 205
    
    "asn": "AS1299",
  - 206
    
    "asnNumeric": 1299,
  - 207
    
    "organisation": "Telia Company AB",
  - 208
    
    "name": "TWELVE99",
  - 209
    
    "registry": "RIPE",
  - 210
    
    "registeredCountry": "SE",
  - 211
    
    "registeredCountryName": "Sweden",
  - 212
    
    "totalIpv4Addresses": 257792,
  - 213
    
    "rank": 964
  - 214
    
    },
- 215
  
  {...}
  - 216
    
    "asn": "AS13030",
  - 217
    
    "asnNumeric": 13030,
  - 218
    
    "organisation": "Init7 Switzerland Ltd.",
  - 219
    
    "name": "INIT7",
  - 220
    
    "registry": "RIPE",
  - 221
    
    "registeredCountry": "CH",
  - 222
    
    "registeredCountryName": "Switzerland",
  - 223
    
    "totalIpv4Addresses": 100028,
  - 224
    
    "rank": 1943
  - 225
    
    },
- 226
  
  {...}
  - 227
    
    "asn": "AS5394",
  - 228
    
    "asnNumeric": 5394,
  - 229
    
    "organisation": "UNIDATA S.p.A.",
  - 230
    
    "name": "Unidata",
  - 231
    
    "registry": "RIPE",
  - 232
    
    "registeredCountry": "IT",
  - 233
    
    "registeredCountryName": "Italy",
  - 234
    
    "totalIpv4Addresses": 84224,
  - 235
    
    "rank": 2168
  - 236
    
    },
- 237
  
  {...}
  - 238
    
    "asn": "AS50629",
  - 239
    
    "asnNumeric": 50629,
  - 240
    
    "organisation": "LWLcom GmbH",
  - 241
    
    "name": "LWLCOM",
  - 242
    
    "registry": "RIPE",
  - 243
    
    "registeredCountry": "DE",
  - 244
    
    "registeredCountryName": "Germany",
  - 245
    
    "totalIpv4Addresses": 83456,
  - 246
    
    "rank": 2190
  - 247
    
    },
- 248
  
  {...}
  - 249
    
    "asn": "AS28186",
  - 250
    
    "asnNumeric": 28186,
  - 251
    
    "organisation": "ITS TELECOMUNICACOES LTDA",
  - 252
    
    "name": "",
  - 253
    
    "registry": "LACNIC",
  - 254
    
    "registeredCountry": "BR",
  - 255
    
    "registeredCountryName": "Brazil",
  - 256
    
    "totalIpv4Addresses": 65536,
  - 257
    
    "rank": 3441
  - 258
    
    },
- 259
  
  {...}
  - 260
    
    "asn": "AS36236",
  - 261
    
    "asnNumeric": 36236,
  - 262
    
    "organisation": "NetActuate Inc",
  - 263
    
    "name": "NETACTUATE",
  - 264
    
    "registry": "ARIN",
  - 265
    
    "registeredCountry": "US",
  - 266
    
    "registeredCountryName": "United States of America",
  - 267
    
    "totalIpv4Addresses": 57088,
  - 268
    
    "rank": 3980
  - 269
    
    },
- 270
  
  {...}
  - 271
    
    "asn": "AS18106",
  - 272
    
    "asnNumeric": 18106,
  - 273
    
    "organisation": "Viewqwest Pte Ltd",
  - 274
    
    "name": "VIEWQWEST-SG-AP",
  - 275
    
    "registry": "APNIC",
  - 276
    
    "registeredCountry": "SG",
  - 277
    
    "registeredCountryName": "Singapore",
  - 278
    
    "totalIpv4Addresses": 49861,
  - 279
    
    "rank": 4192
  - 280
    
    },
- 281
  
  {...}
  - 282
    
    "asn": "AS12779",
  - 283
    
    "asnNumeric": 12779,
  - 284
    
    "organisation": "IT.Gate S.p.A.",
  - 285
    
    "name": "ITGATE",
  - 286
    
    "registry": "RIPE",
  - 287
    
    "registeredCountry": "IT",
  - 288
    
    "registeredCountryName": "Italy",
  - 289
    
    "totalIpv4Addresses": 45312,
  - 290
    
    "rank": 4340
  - 291
    
    },
- 292
  
  {...}
  - 293
    
    "asn": "AS56665",
  - 294
    
    "asnNumeric": 56665,
  - 295
    
    "organisation": "Proximus Luxembourg S.A.",
  - 296
    
    "name": "TANGO-TELINDUS",
  - 297
    
    "registry": "RIPE",
  - 298
    
    "registeredCountry": "LU",
  - 299
    
    "registeredCountryName": "Luxembourg",
  - 300
    
    "totalIpv4Addresses": 44800,
  - 301
    
    "rank": 4370
  - 302
    
    },
- 303
  
  {...}
  - 304
    
    "asn": "AS34224",
  - 305
    
    "asnNumeric": 34224,
  - 306
    
    "organisation": "Neterra Ltd.",
  - 307
    
    "name": "NETERRA-AS",
  - 308
    
    "registry": "RIPE",
  - 309
    
    "registeredCountry": "BG",
  - 310
    
    "registeredCountryName": "Bulgaria",
  - 311
    
    "totalIpv4Addresses": 43232,
  - 312
    
    "rank": 4417
  - 313
    
    },
- 314
  
  {...}
  - 315
    
    "asn": "AS3214",
  - 316
    
    "asnNumeric": 3214,
  - 317
    
    "organisation": "xTom GmbH",
  - 318
    
    "name": "XTOM",
  - 319
    
    "registry": "RIPE",
  - 320
    
    "registeredCountry": "DE",
  - 321
    
    "registeredCountryName": "Germany",
  - 322
    
    "totalIpv4Addresses": 32768,
  - 323
    
    "rank": 4993
  - 324
    
    },
- 325
  
  {...}
  - 326
    
    "asn": "AS39122",
  - 327
    
    "asnNumeric": 39122,
  - 328
    
    "organisation": "Blacknight Internet Solutions Limited",
  - 329
    
    "name": "BLACKNIGHT-AS",
  - 330
    
    "registry": "RIPE",
  - 331
    
    "registeredCountry": "IE",
  - 332
    
    "registeredCountryName": "Ireland",
  - 333
    
    "totalIpv4Addresses": 32512,
  - 334
    
    "rank": 5109
  - 335
    
    },
- 336
  
  {...}
  - 337
    
    "asn": "AS39120",
  - 338
    
    "asnNumeric": 39120,
  - 339
    
    "organisation": "Convergenze S.p.A.",
  - 340
    
    "name": "CONVERGENZE-AS",
  - 341
    
    "registry": "RIPE",
  - 342
    
    "registeredCountry": "IT",
  - 343
    
    "registeredCountryName": "Italy",
  - 344
    
    "totalIpv4Addresses": 32256,
  - 345
    
    "rank": 5124
  - 346
    
    },
- 347
  
  {...}
  - 348
    
    "asn": "AS38880",
  - 349
    
    "asnNumeric": 38880,
  - 350
    
    "organisation": "Micron21 Datacentre Pty Ltd",
  - 351
    
    "name": "M21-AS-AP",
  - 352
    
    "registry": "APNIC",
  - 353
    
    "registeredCountry": "AU",
  - 354
    
    "registeredCountryName": "Australia",
  - 355
    
    "totalIpv4Addresses": 30988,
  - 356
    
    "rank": 5198
  - 357
    
    },
- 358
  
  {...}
  - 359
    
    "asn": "AS9002",
  - 360
    
    "asnNumeric": 9002,
  - 361
    
    "organisation": "RETN Limited",
  - 362
    
    "name": "RETN-AS",
  - 363
    
    "registry": "RIPE",
  - 364
    
    "registeredCountry": "GB",
  - 365
    
    "registeredCountryName": "United Kingdom",
  - 366
    
    "totalIpv4Addresses": 30976,
  - 367
    
    "rank": 5201
  - 368
    
    },
- 369
  
  {...}
  - 370
    
    "asn": "AS24482",
  - 371
    
    "asnNumeric": 24482,
  - 372
    
    "organisation": "SG.GS",
  - 373
    
    "name": "SGGS-AS-AP",
  - 374
    
    "registry": "APNIC",
  - 375
    
    "registeredCountry": "SG",
  - 376
    
    "registeredCountryName": "Singapore",
  - 377
    
    "totalIpv4Addresses": 23809,
  - 378
    
    "rank": 5870
  - 379
    
    },
- 380
  
  {...}
  - 381
    
    "asn": "AS8455",
  - 382
    
    "asnNumeric": 8455,
  - 383
    
    "organisation": "Schuberg Philis B.V.",
  - 384
    
    "name": "ATOM86-AS",
  - 385
    
    "registry": "RIPE",
  - 386
    
    "registeredCountry": "NL",
  - 387
    
    "registeredCountryName": "Kingdom of the Netherlands",
  - 388
    
    "totalIpv4Addresses": 23808,
  - 389
    
    "rank": 5873
  - 390
    
    },
- 391
  
  {...}
  - 392
    
    "asn": "AS7195",
  - 393
    
    "asnNumeric": 7195,
  - 394
    
    "organisation": "EDGEUNO SAS",
  - 395
    
    "name": "",
  - 396
    
    "registry": "LACNIC",
  - 397
    
    "registeredCountry": "CO",
  - 398
    
    "registeredCountryName": "Colombia",
  - 399
    
    "totalIpv4Addresses": 21760,
  - 400
    
    "rank": 6093
  - 401
    
    },
- 402
  
  {...}
  - 403
    
    "asn": "AS8966",
  - 404
    
    "asnNumeric": 8966,
  - 405
    
    "organisation": "Emirates Telecommunications Corporation",
  - 406
    
    "name": "Etisalat-AS",
  - 407
    
    "registry": "RIPE",
  - 408
    
    "registeredCountry": "AE",
  - 409
    
    "registeredCountryName": "United Arab Emirates",
  - 410
    
    "totalIpv4Addresses": 19192,
  - 411
    
    "rank": 6563
  - 412
    
    },
- 413
  
  {...}
  - 414
    
    "asn": "AS34288",
  - 415
    
    "asnNumeric": 34288,
  - 416
    
    "organisation": "Kantonsschule Zug",
  - 417
    
    "name": "AS34288",
  - 418
    
    "registry": "RIPE",
  - 419
    
    "registeredCountry": "CH",
  - 420
    
    "registeredCountryName": "Switzerland",
  - 421
    
    "totalIpv4Addresses": 13354,
  - 422
    
    "rank": 8003
  - 423
    
    },
- 424
  
  {...}
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}

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