ASN Lookup Tool
AS59 University of Wisconsin Madison

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:

AS59

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ASN Extended Info API

ASN Details JSON View

ASN Details

ASN

AS59

Organisation

University of Wisconsin Madison

AS Name

WISC-MADISON-AS

IPv4 Addresses Announced

329,472

IPv4 Prefixes Announced

Bogon Prefixes Announced

IPv4 Space Rank

#784 out of 75,079

Registry

ARIN

Registered Country

Registration Date

1986-01-21

Registration Change

2012-03-02

Receiving From

ASN

Organisation

ASN

AS3128

Organisation

University of Wisconsin System

ASN

AS293

Organisation

ESnet

ASN

AS11537

Organisation

Internet2

Active Prefixes

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1

{
2

"asn": "AS59",
3

"asnNumeric": 59,
4

"organisation": "University of Wisconsin Madison",
5

"name": "WISC-MADISON-AS",
6

"registry": "ARIN",
7

"registeredCountry": "US",
8

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

"registrationDate": "1986-01-21",
10

"registrationLastChange": "2012-03-02",
11

"totalIpv4Addresses": 329472,
12

"totalIpv4Prefixes": 9,
13

"totalIpv4BogonPrefixes": 0,
14

"rank": 784,
15

"rankText": "#784 out of 75,079",
16

"receivingFrom": [...]
- 17
  
  {...}
  - 18
    
    "asn": "AS3128",
  - 19
    
    "asnNumeric": 3128,
  - 20
    
    "organisation": "University of Wisconsin System",
  - 21
    
    "name": "BRUWS-AS3128",
  - 22
    
    "registry": "ARIN",
  - 23
    
    "registeredCountry": "US",
  - 24
    
    "registeredCountryName": "United States of America",
  - 25
    
    "totalIpv4Addresses": 655360,
  - 26
    
    "rank": 496
  - 27
    
    },
- 28
  
  {...}
  - 29
    
    "asn": "AS293",
  - 30
    
    "asnNumeric": 293,
  - 31
    
    "organisation": "ESnet",
  - 32
    
    "name": "ESNET",
  - 33
    
    "registry": "ARIN",
  - 34
    
    "registeredCountry": "US",
  - 35
    
    "registeredCountryName": "United States of America",
  - 36
    
    "totalIpv4Addresses": 134656,
  - 37
    
    "rank": 1514
  - 38
    
    },
- 39
  
  {...}
  - 40
    
    "asn": "AS11537",
  - 41
    
    "asnNumeric": 11537,
  - 42
    
    "organisation": "Internet2",
  - 43
    
    "name": "INTERNET2-RESEARCH-EDU",
  - 44
    
    "registry": "ARIN",
  - 45
    
    "registeredCountry": "US",
  - 46
    
    "registeredCountryName": "United States of America",
  - 47
    
    "totalIpv4Addresses": 6914,
  - 48
    
    "rank": 12022
  - 49
    
    }
- 50
  
  ],
51

"confidenceArea": [...]
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    "latitude": 42.993874,
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    "longitude": -89.77859
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    },
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    "latitude": 43.043877,
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    "longitude": -89.78858
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    "longitude": -89.79182
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    },
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    "latitude": 43.138523,
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    "longitude": -89.78266
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    },
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    "latitude": 43.18352,
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    "longitude": -89.76146
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    },
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    "latitude": 43.260765,
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    "longitude": -89.68637
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    },
- 80
  
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    "longitude": -89.6352
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- 84
  
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    },
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    "latitude": 43.325474,
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    "longitude": -89.51484
  - 91
    
    },
- 92
  
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    "latitude": 43.33,
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    "longitude": -89.45
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    },
- 96
  
  {...}
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    "latitude": 43.33,
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    "longitude": -89.43
  - 99
    
    },
- 100
  
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  - 103
    
    },
- 104
  
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    "latitude": 43.310246,
  - 106
    
    "longitude": -89.296684
  - 107
    
    },
- 108
  
  {...}
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    "latitude": 43.28629,
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    "longitude": -89.2367
  - 111
    
    },
- 112
  
  {...}
  - 113
    
    "latitude": 43.276287,
  - 114
    
    "longitude": -89.216705
  - 115
    
    },
- 116
  
  {...}
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    "latitude": 43.24227,
  - 118
    
    "longitude": -89.16203
  - 119
    
    },
- 120
  
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    "latitude": 43.20067,
  - 122
    
    "longitude": -89.118286
  - 123
    
    },
- 124
  
  {...}
  - 125
    
    "latitude": 43.15331,
  - 126
    
    "longitude": -89.08739
  - 127
    
    },
- 128
  
  {...}
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    "latitude": 43.10228,
  - 130
    
    "longitude": -89.070694
  - 131
    
    },
- 132
  
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    "latitude": 43.04983,
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    "longitude": -89.06895
  - 135
    
    },
- 136
  
  {...}
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    "latitude": 42.998272,
  - 138
    
    "longitude": -89.082214
  - 139
    
    },
- 140
  
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    "latitude": 42.949867,
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    "longitude": -89.109924
  - 143
    
    },
- 144
  
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    "latitude": 42.909866,
  - 146
    
    "longitude": -89.13992
  - 147
    
    },
- 148
  
  {...}
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    "latitude": 42.870247,
  - 150
    
    "longitude": -89.1768
  - 151
    
    },
- 152
  
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  - 153
    
    "latitude": 42.836494,
  - 154
    
    "longitude": -89.22334
  - 155
    
    },
- 156
  
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  - 157
    
    "latitude": 42.809853,
  - 158
    
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  - 159
    
    },
- 160
  
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  - 161
    
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  - 162
    
    "longitude": -89.33831
  - 163
    
    },
- 164
  
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  - 165
    
    "latitude": 42.781506,
  - 166
    
    "longitude": -89.402504
  - 167
    
    },
- 168
  
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  - 169
    
    "latitude": 42.78084,
  - 170
    
    "longitude": -89.46808
  - 171
    
    },
- 172
  
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  - 173
    
    "latitude": 42.78933,
  - 174
    
    "longitude": -89.53262
  - 175
    
    },
- 176
  
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    "latitude": 42.80666,
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    "longitude": -89.59376
  - 179
    
    },
- 180
  
  {...}
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    "latitude": 42.832195,
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    },
- 184
  
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  - 185
    
    "latitude": 42.86499,
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    "longitude": -89.69706
  - 187
    
    },
- 188
  
  {...}
  - 189
    
    "latitude": 42.90385,
  - 190
    
    "longitude": -89.73542
  - 191
    
    },
- 192
  
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  - 193
    
    "latitude": 42.947346,
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    "longitude": -89.76293
  - 195
    
    },
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    "latitude": 42.993874,
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    "longitude": -89.77859
  - 199
    
    },
- 200
  
  {...}
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    "latitude": 42.993874,
  - 202
    
    "longitude": -89.77859
  - 203
    
    }
- 204
  
  ]
205

}

ASN Lookup Tool
AS59 University of Wisconsin Madison

AS59

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ASN Lookup Tool AS59 University of Wisconsin Madison

AS59

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ASN Lookup Tool
AS59 University of Wisconsin Madison