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ASN Lookup Tool
AS7018 ATT-INTERNET4

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS7018
Organisation
AT&T Services, Inc.
Name
ATT-INTERNET4
Total IPv4 Addresses
92059629
Total IPv4 Prefixes
10760
Total IPv6 Prefixes
166
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3 out of 76,436
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1996-07-30
Registration Last Change
2012-04-02
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS7922
US flagComcast Cable Communications, LLC
Showing 5 of 151
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS4200303005
WORLD flagPrivate Use AS
AS4200000210
WORLD flagPrivate Use AS
AS4294967034
WORLD flagPrivate Use AS
AS4294967035
WORLD flagPrivate Use AS
AS4206346011
WORLD flagPrivate Use AS
Showing 5 of 2867
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix5.249.176.0/22
Range From5.249.176.0
Range To5.249.179.255
Prefix12.0.0.0/18
Range From12.0.0.0
Range To12.0.63.255
Prefix12.0.64.0/21
Range From12.0.64.0
Range To12.0.71.255
Prefix12.0.72.0/22
Range From12.0.72.0
Range To12.0.75.255
Prefix12.0.76.0/23
Range From12.0.76.0
Range To12.0.77.255
Showing 5 of 10760
IPv6 Active Prefixes
Prefix2001:1890::/36
Range From2001:1890::
Range To2001:1890:fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:1890:1000::/37
Range From2001:1890:1000::
Range To2001:1890:17ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:1890:1800::/38
Range From2001:1890:1800::
Range To2001:1890:1bff:ffff:ffff:ffff:ffff:ffff
Prefix2001:1890:1c00::/39
Range From2001:1890:1c00::
Range To2001:1890:1dff:ffff:ffff:ffff:ffff:ffff
Prefix2001:1890:1e00::/40
Range From2001:1890:1e00::
Range To2001:1890:1eff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 166
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.