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ASN Lookup Tool
AS7018 AT&T 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:

AS7018

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS7018
Organisation
AT&T Services, Inc.
AS Name
ATT-INTERNET4
IPv4 Addresses Announced
94,183,799
IPv4 Prefixes Announced
10,687
IPv6 Prefixes Announced
188
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3 out of 75,511
Registry
Arin
Registered Country
US
Registration Date
1996-07-30
Registration Change
2012-04-02

Receiving From

ASN
Organisation
AS701
Verizon Business
AS3320
Deutsche Telekom AG
AS3356
Level 3 Parent, LLC
AS7922
Comcast Cable Communications, LLC
AS174
Cogent Communications
AS209
CenturyLink Communications, LLC
AS7029
Windstream Communications LLC
AS1239
Sprint
AS3209
Vodafone GmbH
AS2914
NTT America, Inc.
Showing 10 of 110 Results View More >

Transit To

ASN
Organisation
AS401306
Ingersoll Rand Inc.
AS910
RTA
AS397603
Satellite Affordable Housing Associates
AS37277
Limelight Networks
AS4213080004
Private Use AS
AS4213080002
Private Use AS
AS4213080003
Private Use AS
AS4200001000
Private Use AS
AS4294967187
Private Use AS
AS4294967053
Private Use AS
Showing 10 of 2,835 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 102.129.176.0/24
Range From 102.129.176.0
Range To 102.129.176.255
Prefix 102.129.177.0/24
Range From 102.129.177.0
Range To 102.129.177.255
Prefix 102.129.179.0/24
Range From 102.129.179.0
Range To 102.129.179.255
Prefix 102.129.236.0/24
Range From 102.129.236.0
Range To 102.129.236.255
Prefix 102.129.245.0/24
Range From 102.129.245.0
Range To 102.129.245.255
Prefix 102.129.246.0/24
Range From 102.129.246.0
Range To 102.129.246.255
Prefix 103.11.61.0/24
Range From 103.11.61.0
Range To 103.11.61.255
Prefix 103.249.12.0/24
Range From 103.249.12.0
Range To 103.249.12.255
Prefix 103.249.13.0/24
Range From 103.249.13.0
Range To 103.249.13.255
Prefix 103.249.14.0/24
Range From 103.249.14.0
Range To 103.249.14.255
Showing 10 of 10,687 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:1890::/36
Range From 2001:1890::
Range To 2001:1890:fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1000::/37
Range From 2001:1890:1000::
Range To 2001:1890:17ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1800::/38
Range From 2001:1890:1800::
Range To 2001:1890:1bff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1c00::/39
Range From 2001:1890:1c00::
Range To 2001:1890:1dff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1e00::/40
Range From 2001:1890:1e00::
Range To 2001:1890:1eff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1f00::/41
Range From 2001:1890:1f00::
Range To 2001:1890:1f7f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1f80::/42
Range From 2001:1890:1f80::
Range To 2001:1890:1fbf:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1fc0::/43
Range From 2001:1890:1fc0::
Range To 2001:1890:1fdf:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1fe0::/44
Range From 2001:1890:1fe0::
Range To 2001:1890:1fef:ffff:ffff:ffff:ffff:ffff
Prefix 2001:1890:1ff0::/45
Range From 2001:1890:1ff0::
Range To 2001:1890:1ff7:ffff:ffff:ffff:ffff:ffff
Showing 10 of 188 Results View More >