ASN Lookup Tool
AS33667 Comcast Cable Communications LLC

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:

AS33667

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ASN Extended Info API

ASN Details JSON View

ASN Details

ASN

AS33667

Organisation

Comcast Cable Communications LLC

AS Name

CMCS

IPv4 Addresses Announced

1,759,232

IPv4 Prefixes Announced

199

Bogon Prefixes Announced

IPv4 Space Rank

#239 out of 75,035

Registry

ARIN

Registered Country

Registration Date

2005-02-16

Registration Change

2021-01-25

Receiving From

ASN

Organisation

ASN

AS3356

Organisation

Level 3 Parent LLC

ASN

AS7922

Organisation

Comcast Cable Communications LLC

Transit To

ASN

Organisation

ASN

AS20940

Organisation

Akamai International B.V.

ASN

AS13335

Organisation

Cloudflare Inc.

ASN

AS2

Organisation

University of Delaware

ASN

AS27288

Organisation

Digital Path

ASN

AS11191

Organisation

Cal.net Inc.

ASN

AS17035

Organisation

NBCUniversal

ASN

AS12222

Organisation

Akamai Technologies Inc.

ASN

AS17117

Organisation

RITSnet Inc.

ASN

AS22024

Organisation

Splunk Inc.

ASN

AS32688

Organisation

THE GOLDEN 1 CREDIT UNION

Showing 10 of 50 Results View More >

Active Prefixes

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Showing 10 of 199 Results View More >

1

{
2

"asn": "AS33667",
3

"asnNumeric": 33667,
4

"organisation": "Comcast Cable Communications LLC",
5

"name": "CMCS",
6

"registry": "ARIN",
7

"registeredCountry": "US",
8

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

"registrationDate": "2005-02-16",
10

"registrationLastChange": "2021-01-25",
11

"totalIpv4Addresses": 1759232,
12

"totalIpv4Prefixes": 199,
13

"totalIpv4BogonPrefixes": 0,
14

"rank": 239,
15

"rankText": "#239 out of 75,035",
16

"receivingFrom": [...]
- 17
  
  {...}
  - 18
    
    "asn": "AS3356",
  - 19
    
    "asnNumeric": 3356,
  - 20
    
    "organisation": "Level 3 Parent LLC",
  - 21
    
    "name": "LEVEL3",
  - 22
    
    "registry": "ARIN",
  - 23
    
    "registeredCountry": "US",
  - 24
    
    "registeredCountryName": "United States of America",
  - 25
    
    "totalIpv4Addresses": 28203419,
  - 26
    
    "rank": 14
  - 27
    
    },
- 28
  
  {...}
  - 29
    
    "asn": "AS7922",
  - 30
    
    "asnNumeric": 7922,
  - 31
    
    "organisation": "Comcast Cable Communications LLC",
  - 32
    
    "name": "COMCAST-7922",
  - 33
    
    "registry": "ARIN",
  - 34
    
    "registeredCountry": "US",
  - 35
    
    "registeredCountryName": "United States of America",
  - 36
    
    "totalIpv4Addresses": 21488304,
  - 37
    
    "rank": 16
  - 38
    
    }
- 39
  
  ],
40

"transitTo": [...]
- 41
  
  {...}
  - 42
    
    "asn": "AS20940",
  - 43
    
    "asnNumeric": 20940,
  - 44
    
    "organisation": "Akamai International B.V.",
  - 45
    
    "name": "AKAMAI-ASN1",
  - 46
    
    "registry": "RIPE",
  - 47
    
    "registeredCountry": "NL",
  - 48
    
    "registeredCountryName": "Kingdom of the Netherlands",
  - 49
    
    "totalIpv4Addresses": 4486192,
  - 50
    
    "rank": 117
  - 51
    
    },
- 52
  
  {...}
  - 53
    
    "asn": "AS13335",
  - 54
    
    "asnNumeric": 13335,
  - 55
    
    "organisation": "Cloudflare Inc.",
  - 56
    
    "name": "CLOUDFLARENET",
  - 57
    
    "registry": "ARIN",
  - 58
    
    "registeredCountry": "US",
  - 59
    
    "registeredCountryName": "United States of America",
  - 60
    
    "totalIpv4Addresses": 1637376,
  - 61
    
    "rank": 256
  - 62
    
    },
- 63
  
  {...}
  - 64
    
    "asn": "AS2",
  - 65
    
    "asnNumeric": 2,
  - 66
    
    "organisation": "University of Delaware",
  - 67
    
    "name": "UDEL-DCN",
  - 68
    
    "registry": "ARIN",
  - 69
    
    "registeredCountry": "US",
  - 70
    
    "registeredCountryName": "United States of America",
  - 71
    
    "totalIpv4Addresses": 76032,
  - 72
    
    "rank": 2349
  - 73
    
    },
- 74
  
  {...}
  - 75
    
    "asn": "AS27288",
  - 76
    
    "asnNumeric": 27288,
  - 77
    
    "organisation": "Digital Path",
  - 78
    
    "name": "DPCHICO-1",
  - 79
    
    "registry": "ARIN",
  - 80
    
    "registeredCountry": "US",
  - 81
    
    "registeredCountryName": "United States of America",
  - 82
    
    "totalIpv4Addresses": 30464,
  - 83
    
    "rank": 5236
  - 84
    
    },
- 85
  
  {...}
  - 86
    
    "asn": "AS11191",
  - 87
    
    "asnNumeric": 11191,
  - 88
    
    "organisation": "Cal.net Inc.",
  - 89
    
    "name": "F2W-AS",
  - 90
    
    "registry": "ARIN",
  - 91
    
    "registeredCountry": "US",
  - 92
    
    "registeredCountryName": "United States of America",
  - 93
    
    "totalIpv4Addresses": 25600,
  - 94
    
    "rank": 5623
  - 95
    
    },
- 96
  
  {...}
  - 97
    
    "asn": "AS17035",
  - 98
    
    "asnNumeric": 17035,
  - 99
    
    "organisation": "NBCUniversal",
  - 100
    
    "name": "NBCUNI-17035",
  - 101
    
    "registry": "ARIN",
  - 102
    
    "registeredCountry": "US",
  - 103
    
    "registeredCountryName": "United States of America",
  - 104
    
    "totalIpv4Addresses": 14336,
  - 105
    
    "rank": 7789
  - 106
    
    },
- 107
  
  {...}
  - 108
    
    "asn": "AS12222",
  - 109
    
    "asnNumeric": 12222,
  - 110
    
    "organisation": "Akamai Technologies Inc.",
  - 111
    
    "name": "AKAMAI",
  - 112
    
    "registry": "ARIN",
  - 113
    
    "registeredCountry": "US",
  - 114
    
    "registeredCountryName": "United States of America",
  - 115
    
    "totalIpv4Addresses": 10768,
  - 116
    
    "rank": 8942
  - 117
    
    },
- 118
  
  {...}
  - 119
    
    "asn": "AS17117",
  - 120
    
    "asnNumeric": 17117,
  - 121
    
    "organisation": "RITSnet Inc.",
  - 122
    
    "name": "RITSNET",
  - 123
    
    "registry": "ARIN",
  - 124
    
    "registeredCountry": "US",
  - 125
    
    "registeredCountryName": "United States of America",
  - 126
    
    "totalIpv4Addresses": 8192,
  - 127
    
    "rank": 10656
  - 128
    
    },
- 129
  
  {...}
  - 130
    
    "asn": "AS22024",
  - 131
    
    "asnNumeric": 22024,
  - 132
    
    "organisation": "Splunk Inc.",
  - 133
    
    "name": "SPLUNK-WEST",
  - 134
    
    "registry": "ARIN",
  - 135
    
    "registeredCountry": "US",
  - 136
    
    "registeredCountryName": "United States of America",
  - 137
    
    "totalIpv4Addresses": 2816,
  - 138
    
    "rank": 19535
  - 139
    
    },
- 140
  
  {...}
  - 141
    
    "asn": "AS32688",
  - 142
    
    "asnNumeric": 32688,
  - 143
    
    "organisation": "THE GOLDEN 1 CREDIT UNION",
  - 144
    
    "name": "GOLDEN1-CU-NET",
  - 145
    
    "registry": "ARIN",
  - 146
    
    "registeredCountry": "US",
  - 147
    
    "registeredCountryName": "United States of America",
  - 148
    
    "totalIpv4Addresses": 2560,
  - 149
    
    "rank": 20126
  - 150
    
    },
- 151
  
  {...}
  - 152
    
    "asn": "AS25671",
  - 153
    
    "asnNumeric": 25671,
  - 154
    
    "organisation": "Wholesale Airtime Inc.",
  - 155
    
    "name": "AIRENET-NUEVO-CA",
  - 156
    
    "registry": "ARIN",
  - 157
    
    "registeredCountry": "US",
  - 158
    
    "registeredCountryName": "United States of America",
  - 159
    
    "totalIpv4Addresses": 2304,
  - 160
    
    "rank": 20776
  - 161
    
    },
- 162
  
  {...}
  - 163
    
    "asn": "AS46186",
  - 164
    
    "asnNumeric": 46186,
  - 165
    
    "organisation": "Gilead Sciences",
  - 166
    
    "name": "GILD-SCI",
  - 167
    
    "registry": "ARIN",
  - 168
    
    "registeredCountry": "US",
  - 169
    
    "registeredCountryName": "United States of America",
  - 170
    
    "totalIpv4Addresses": 2048,
  - 171
    
    "rank": 22445
  - 172
    
    },
- 173
  
  {...}
  - 174
    
    "asn": "AS397934",
  - 175
    
    "asnNumeric": 397934,
  - 176
    
    "organisation": "Argo AI",
  - 177
    
    "name": "AAILLC-1",
  - 178
    
    "registry": "ARIN",
  - 179
    
    "registeredCountry": "US",
  - 180
    
    "registeredCountryName": "United States of America",
  - 181
    
    "totalIpv4Addresses": 1792,
  - 182
    
    "rank": 25735
  - 183
    
    },
- 184
  
  {...}
  - 185
    
    "asn": "AS11483",
  - 186
    
    "asnNumeric": 11483,
  - 187
    
    "organisation": "Conviva Inc.",
  - 188
    
    "name": "CONVIVA-AS",
  - 189
    
    "registry": "ARIN",
  - 190
    
    "registeredCountry": "US",
  - 191
    
    "registeredCountryName": "United States of America",
  - 192
    
    "totalIpv4Addresses": 1536,
  - 193
    
    "rank": 25858
  - 194
    
    },
- 195
  
  {...}
  - 196
    
    "asn": "AS14388",
  - 197
    
    "asnNumeric": 14388,
  - 198
    
    "organisation": "Bronco Wine Co.",
  - 199
    
    "name": "BRONCO-WINE",
  - 200
    
    "registry": "ARIN",
  - 201
    
    "registeredCountry": "US",
  - 202
    
    "registeredCountryName": "United States of America",
  - 203
    
    "totalIpv4Addresses": 1280,
  - 204
    
    "rank": 27413
  - 205
    
    },
- 206
  
  {...}
  - 207
    
    "asn": "AS18478",
  - 208
    
    "asnNumeric": 18478,
  - 209
    
    "organisation": "Mednax Services Inc.",
  - 210
    
    "name": "NATAL-MED",
  - 211
    
    "registry": "ARIN",
  - 212
    
    "registeredCountry": "US",
  - 213
    
    "registeredCountryName": "United States of America",
  - 214
    
    "totalIpv4Addresses": 1280,
  - 215
    
    "rank": 27466
  - 216
    
    },
- 217
  
  {...}
  - 218
    
    "asn": "AS22020",
  - 219
    
    "asnNumeric": 22020,
  - 220
    
    "organisation": "Magpie Internet Communications Corp.",
  - 221
    
    "name": "PLANETMAGPIE",
  - 222
    
    "registry": "ARIN",
  - 223
    
    "registeredCountry": "US",
  - 224
    
    "registeredCountryName": "United States of America",
  - 225
    
    "totalIpv4Addresses": 1280,
  - 226
    
    "rank": 27538
  - 227
    
    },
- 228
  
  {...}
  - 229
    
    "asn": "AS36838",
  - 230
    
    "asnNumeric": 36838,
  - 231
    
    "organisation": "INFOIMAGE OF CALIFORNIA",
  - 232
    
    "name": "INFOIMAGE",
  - 233
    
    "registry": "ARIN",
  - 234
    
    "registeredCountry": "US",
  - 235
    
    "registeredCountryName": "United States of America",
  - 236
    
    "totalIpv4Addresses": 1280,
  - 237
    
    "rank": 27794
  - 238
    
    },
- 239
  
  {...}
  - 240
    
    "asn": "AS396021",
  - 241
    
    "asnNumeric": 396021,
  - 242
    
    "organisation": "Comcast Cable Communications LLC",
  - 243
    
    "name": "COMCAST-MES",
  - 244
    
    "registry": "ARIN",
  - 245
    
    "registeredCountry": "US",
  - 246
    
    "registeredCountryName": "United States of America",
  - 247
    
    "totalIpv4Addresses": 1280,
  - 248
    
    "rank": 29003
  - 249
    
    },
- 250
  
  {...}
  - 251
    
    "asn": "AS14062",
  - 252
    
    "asnNumeric": 14062,
  - 253
    
    "organisation": "AKQA Inc.",
  - 254
    
    "name": "AKQA",
  - 255
    
    "registry": "ARIN",
  - 256
    
    "registeredCountry": "US",
  - 257
    
    "registeredCountryName": "United States of America",
  - 258
    
    "totalIpv4Addresses": 1024,
  - 259
    
    "rank": 29507
  - 260
    
    },
- 261
  
  {...}
  - 262
    
    "asn": "AS397062",
  - 263
    
    "asnNumeric": 397062,
  - 264
    
    "organisation": "SunMaid Growers of California",
  - 265
    
    "name": "SMG",
  - 266
    
    "registry": "ARIN",
  - 267
    
    "registeredCountry": "US",
  - 268
    
    "registeredCountryName": "United States of America",
  - 269
    
    "totalIpv4Addresses": 1024,
  - 270
    
    "rank": 42917
  - 271
    
    },
- 272
  
  {...}
  - 273
    
    "asn": "AS13395",
  - 274
    
    "asnNumeric": 13395,
  - 275
    
    "organisation": "Smart City Networks L.P.",
  - 276
    
    "name": "SMART-CITY-SOCC",
  - 277
    
    "registry": "ARIN",
  - 278
    
    "registeredCountry": "US",
  - 279
    
    "registeredCountryName": "United States of America",
  - 280
    
    "totalIpv4Addresses": 768,
  - 281
    
    "rank": 43335
  - 282
    
    },
- 283
  
  {...}
  - 284
    
    "asn": "AS18957",
  - 285
    
    "asnNumeric": 18957,
  - 286
    
    "organisation": "TaxAudit.com",
  - 287
    
    "name": "TAXRESOURCES-1",
  - 288
    
    "registry": "ARIN",
  - 289
    
    "registeredCountry": "US",
  - 290
    
    "registeredCountryName": "United States of America",
  - 291
    
    "totalIpv4Addresses": 768,
  - 292
    
    "rank": 43496
  - 293
    
    },
- 294
  
  {...}
  - 295
    
    "asn": "AS22617",
  - 296
    
    "asnNumeric": 22617,
  - 297
    
    "organisation": "Superior Court of California County of Sacramento",
  - 298
    
    "name": "SACCOURT",
  - 299
    
    "registry": "ARIN",
  - 300
    
    "registeredCountry": "US",
  - 301
    
    "registeredCountryName": "United States of America",
  - 302
    
    "totalIpv4Addresses": 768,
  - 303
    
    "rank": 43600
  - 304
    
    },
- 305
  
  {...}
  - 306
    
    "asn": "AS394156",
  - 307
    
    "asnNumeric": 394156,
  - 308
    
    "organisation": "Reserved AS ZZ",
  - 309
    
    "name": "",
  - 310
    
    "totalIpv4Addresses": 768,
  - 311
    
    "rank": 46071
  - 312
    
    },
- 313
  
  {...}
  - 314
    
    "asn": "AS14191",
  - 315
    
    "asnNumeric": 14191,
  - 316
    
    "organisation": "HT Waterbury INC",
  - 317
    
    "name": "HT-WATERBURY-INC-01",
  - 318
    
    "registry": "ARIN",
  - 319
    
    "registeredCountry": "US",
  - 320
    
    "registeredCountryName": "United States of America",
  - 321
    
    "totalIpv4Addresses": 512,
  - 322
    
    "rank": 46849
  - 323
    
    },
- 324
  
  {...}
  - 325
    
    "asn": "AS32770",
  - 326
    
    "asnNumeric": 32770,
  - 327
    
    "organisation": "CITY OF PLEASANTON",
  - 328
    
    "name": "CITYOF-294-AS",
  - 329
    
    "registry": "ARIN",
  - 330
    
    "registeredCountry": "US",
  - 331
    
    "registeredCountryName": "United States of America",
  - 332
    
    "totalIpv4Addresses": 512,
  - 333
    
    "rank": 48082
  - 334
    
    },
- 335
  
  {...}
  - 336
    
    "asn": "AS33311",
  - 337
    
    "asnNumeric": 33311,
  - 338
    
    "organisation": "TOPCON POSITIONING SYSTEMS INC",
  - 339
    
    "name": "NET-TOPCON",
  - 340
    
    "registry": "ARIN",
  - 341
    
    "registeredCountry": "US",
  - 342
    
    "registeredCountryName": "United States of America",
  - 343
    
    "totalIpv4Addresses": 512,
  - 344
    
    "rank": 48141
  - 345
    
    },
- 346
  
  {...}
  - 347
    
    "asn": "AS36690",
  - 348
    
    "asnNumeric": 36690,
  - 349
    
    "organisation": "R Systems Inc.",
  - 350
    
    "name": "RSYSTEMS-EDH",
  - 351
    
    "registry": "ARIN",
  - 352
    
    "registeredCountry": "US",
  - 353
    
    "registeredCountryName": "United States of America",
  - 354
    
    "totalIpv4Addresses": 512,
  - 355
    
    "rank": 48426
  - 356
    
    },
- 357
  
  {...}
  - 358
    
    "asn": "AS54169",
  - 359
    
    "asnNumeric": 54169,
  - 360
    
    "organisation": "Marin General Hospital",
  - 361
    
    "name": "MGH-ION-1",
  - 362
    
    "registry": "ARIN",
  - 363
    
    "registeredCountry": "US",
  - 364
    
    "registeredCountryName": "United States of America",
  - 365
    
    "totalIpv4Addresses": 512,
  - 366
    
    "rank": 49950
  - 367
    
    },
- 368
  
  {...}
  - 369
    
    "asn": "AS393320",
  - 370
    
    "asnNumeric": 393320,
  - 371
    
    "organisation": "Reserved AS ZZ",
  - 372
    
    "name": "",
  - 373
    
    "totalIpv4Addresses": 512,
  - 374
    
    "rank": 55361
  - 375
    
    },
- 376
  
  {...}
  - 377
    
    "asn": "AS394304",
  - 378
    
    "asnNumeric": 394304,
  - 379
    
    "organisation": "Sacramento Downtown Arena LLC",
  - 380
    
    "name": "SACRAMENTO-KINGS",
  - 381
    
    "registry": "ARIN",
  - 382
    
    "registeredCountry": "US",
  - 383
    
    "registeredCountryName": "United States of America",
  - 384
    
    "totalIpv4Addresses": 512,
  - 385
    
    "rank": 55481
  - 386
    
    },
- 387
  
  {...}
  - 388
    
    "asn": "AS398204",
  - 389
    
    "asnNumeric": 398204,
  - 390
    
    "organisation": "City of Stockton",
  - 391
    
    "name": "CITY-OF-STOCKTON",
  - 392
    
    "registry": "ARIN",
  - 393
    
    "registeredCountry": "US",
  - 394
    
    "registeredCountryName": "United States of America",
  - 395
    
    "totalIpv4Addresses": 512,
  - 396
    
    "rank": 55889
  - 397
    
    },
- 398
  
  {...}
  - 399
    
    "asn": "AS21954",
  - 400
    
    "asnNumeric": 21954,
  - 401
    
    "organisation": "Telestream Inc.",
  - 402
    
    "name": "TELES-27",
  - 403
    
    "registry": "ARIN",
  - 404
    
    "registeredCountry": "US",
  - 405
    
    "registeredCountryName": "United States of America",
  - 406
    
    "totalIpv4Addresses": 256,
  - 407
    
    "rank": 57946
  - 408
    
    },
- 409
  
  {...}
  - 410
    
    "asn": "AS22389",
  - 411
    
    "asnNumeric": 22389,
  - 412
    
    "organisation": "Coursera Inc.",
  - 413
    
    "name": "COURSERA",
  - 414
    
    "registry": "ARIN",
  - 415
    
    "registeredCountry": "US",
  - 416
    
    "registeredCountryName": "United States of America",
  - 417
    
    "totalIpv4Addresses": 256,
  - 418
    
    "rank": 58011
  - 419
    
    },
- 420
  
  {...}
  - 421
    
    "asn": "AS23411",
  - 422
    
    "asnNumeric": 23411,
  - 423
    
    "organisation": "Reserved AS ZZ",
  - 424
    
    "name": "",
  - 425
    
    "totalIpv4Addresses": 256,
  - 426
    
    "rank": 58184
  - 427
    
    },
- 428
  
  {...}
  - 429
    
    "asn": "AS25632",
  - 430
    
    "asnNumeric": 25632,
  - 431
    
    "organisation": "NorthBay Healthcare Corporation",
  - 432
    
    "name": "NORTHBAYHEALTHCARECORP",
  - 433
    
    "registry": "ARIN",
  - 434
    
    "registeredCountry": "US",
  - 435
    
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ASN Lookup Tool
AS33667 Comcast Cable Communications LLC

AS33667

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ASN Lookup Tool AS33667 Comcast Cable Communications LLC

AS33667

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AS33667 Comcast Cable Communications LLC