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ASN Lookup Tool
AS3356 LEVEL3

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3356
Organisation
Level 3 Parent, LLC
Name
LEVEL3
Total IPv4 Addresses
28248383
Total IPv4 Prefixes
8957
Total IPv6 Prefixes
545
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#14 out of 76,191
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2000-03-10
Registration Last Change
2018-02-20
Receiving From

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

ASN
Organisation
AS56662
PL flagMarcin Gondek
AS7018
US flagAT&T Services, Inc.
AS17676
JP flagSoftBank Corp.
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
Showing 5 of 158
Transit To

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

 

ASN
Organisation
AS20073
US flagRPI PRINT, INC.
AS52221
FR flagLexprecia SARL
AS397409
US flagMobi
AS51078
FR flagZIOSTING SAS
AS11346
US flagPIMCO
Showing 5 of 7555
IPv4 Active Prefixes

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

Prefix100.43.14.0/24
Range From100.43.14.0
Range To100.43.14.255
Prefix103.228.98.0/24
Range From103.228.98.0
Range To103.228.98.255
Prefix109.205.152.0/22
Range From109.205.152.0
Range To109.205.155.255
Prefix109.205.156.0/24
Range From109.205.156.0
Range To109.205.156.255
Prefix109.236.193.0/24
Range From109.236.193.0
Range To109.236.193.255
Showing 5 of 8958
IPv6 Active Prefixes
Prefix2001:13b0:801b::/48
Range From2001:13b0:801b::
Range To2001:13b0:801b:ffff:ffff:ffff:ffff:ffff
Prefix2001:13b2::/32
Range From2001:13b2::
Range To2001:13b2:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:13b3::/33
Range From2001:13b3::
Range To2001:13b3:7fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:13b3:8000::/48
Range From2001:13b3:8000::
Range To2001:13b3:8000:ffff:ffff:ffff:ffff:ffff
Prefix2001:13b3:8001::/48
Range From2001:13b3:8001::
Range To2001:13b3:8001:ffff:ffff:ffff:ffff:ffff
Showing 5 of 545
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.