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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
94,182,458
IPv4 Prefixes Announced
10,679
IPv6 Prefixes Announced
188
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3 out of 75,458
Registry
Arin
Registered Country
US flag US
Registration Date
1996-07-30
Registration Change
2012-04-02

Receiving From

ASN
Organisation
ASN
AS701
Organisation
US flag Verizon Business
ASN
AS3320
Organisation
DE flag Deutsche Telekom AG
ASN
AS3356
Organisation
US flag Level 3 Parent, LLC
ASN
AS7922
Organisation
US flag Comcast Cable Communications, LLC
ASN
AS174
Organisation
US flag Cogent Communications
ASN
AS209
Organisation
US flag CenturyLink Communications, LLC
ASN
AS7029
Organisation
US flag Windstream Communications LLC
ASN
AS1239
Organisation
US flag Sprint
ASN
AS2914
Organisation
US flag NTT America, Inc.
ASN
AS3549
Organisation
US flag Level 3 Parent, LLC
Showing 10 of 103 Results View More >

Transit To

ASN
Organisation
ASN
AS401306
Organisation
US flag Ingersoll Rand Inc.
ASN
AS910
Organisation
US flag RTA
ASN
AS397603
Organisation
US flag Satellite Affordable Housing Associates
ASN
AS37277
Organisation
ZA flag Limelight Networks
ASN
AS4213080004
Organisation
WORLD flag Private Use AS
ASN
AS4213080002
Organisation
WORLD flag Private Use AS
ASN
AS4213080003
Organisation
WORLD flag Private Use AS
ASN
AS4200001000
Organisation
WORLD flag Private Use AS
ASN
AS4294967187
Organisation
WORLD flag Private Use AS
ASN
AS4294967053
Organisation
WORLD flag Private Use AS
Showing 10 of 2,837 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
102.129.191.0/24
Range From
102.129.191.0
Range To
102.129.191.255
Prefix
102.129.236.0/24
Range From
102.129.236.0
Range To
102.129.236.255
Prefix
102.129.244.0/24
Range From
102.129.244.0
Range To
102.129.244.255
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
Showing 10 of 10,680 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 >