ASN Lookup Tool
AS11712 ATT Services 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:

AS11712

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ASN Extended Info API

ASN Details JSON View

ASN Details

ASN

AS11712

Organisation

ATT Services Inc.

AS Name

BELLSOUTH

IPv4 Addresses Announced

32,256

IPv4 Prefixes Announced

Bogon Prefixes Announced

IPv4 Space Rank

#5,119 out of 75,079

Registry

ARIN

Registered Country

Registration Date

1998-11-23

Registration Change

2013-12-10

Receiving From

ASN

Organisation

ASN

AS6389

Organisation

ATT Corp.

ASN

AS797

Organisation

ATT Services Inc.

Active Prefixes

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1

{
2

"asn": "AS11712",
3

"asnNumeric": 11712,
4

"organisation": "ATT Services Inc.",
5

"name": "BELLSOUTH",
6

"registry": "ARIN",
7

"registeredCountry": "US",
8

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

"registrationDate": "1998-11-23",
10

"registrationLastChange": "2013-12-10",
11

"totalIpv4Addresses": 32256,
12

"totalIpv4Prefixes": 8,
13

"totalIpv4BogonPrefixes": 0,
14

"rank": 5119,
15

"rankText": "#5,119 out of 75,079",
16

"receivingFrom": [...]
- 17
  
  {...}
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    "asn": "AS6389",
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    "asnNumeric": 6389,
  - 20
    
    "organisation": "ATT Corp.",
  - 21
    
    "name": "BELLSOUTH-NET-BLK",
  - 22
    
    "registry": "ARIN",
  - 23
    
    "registeredCountry": "US",
  - 24
    
    "registeredCountryName": "United States of America",
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    "totalIpv4Addresses": 4713216,
  - 26
    
    "rank": 110
  - 27
    
    },
- 28
  
  {...}
  - 29
    
    "asn": "AS797",
  - 30
    
    "asnNumeric": 797,
  - 31
    
    "organisation": "ATT Services Inc.",
  - 32
    
    "name": "AMERITECH-AS",
  - 33
    
    "registry": "ARIN",
  - 34
    
    "registeredCountry": "US",
  - 35
    
    "registeredCountryName": "United States of America",
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    "totalIpv4Addresses": 411648,
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    "rank": 682
  - 38
    
    }
- 39
  
  ],
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  - 140
    
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  - 143
    
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- 149
  
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- 153
  
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  - 155
    
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  - 188
    
    },
- 189
  
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    }
- 193
  
  ]
194

}

ASN Lookup Tool
AS11712 ATT Services Inc.

AS11712

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ASN Lookup Tool AS11712 ATT Services Inc.

AS11712

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ASN Lookup Tool
AS11712 ATT Services Inc.