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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
27,449,052
Total IPv4 Prefixes
9,113
Total IPv6 Prefixes
642
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
1
IPv4 Space Rank
#14 out of 79,752
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2018-02-20
Receiving From
ASN
Organisation
AS61374
DE flagDE-CIX Management GmbH
AS33891
DE flagCore-Backbone GmbH
AS1239
US flagCogent Communications, LLC
AS7018
US flagAT&T Enterprises, LLC
AS7922
US flagComcast Cable Communications, LLC
Showing 5 of 142
Transit To
ASN
Organisation
AS398282
WORLD flagPrivate Use AS
AS25647
WORLD flagPrivate Use AS
AS26443
WORLD flagPrivate Use AS
AS395930
WORLD flagPrivate Use AS
AS395669
WORLD flagPrivate Use AS
Showing 5 of 7560
IPv4 Active Prefixes
PrefixRange FromRange To
4.0.0.0/164.0.0.04.0.255.255
4.1.0.0/194.1.0.04.1.31.255
4.1.32.0/204.1.32.04.1.47.255
4.1.48.0/214.1.48.04.1.55.255
4.1.56.0/244.1.56.04.1.56.255
Showing 5 of 9,112
IPv6 Active Prefixes
PrefixRange FromRange To
2001:428:3816::/482001:428:3816::2001:428:3816:ffff:ffff:ffff:ffff:ffff
2001:428:5805::/482001:428:5805::2001:428:5805:ffff:ffff:ffff:ffff:ffff
2001:428:6400::/482001:428:6400::2001:428:6400:ffff:ffff:ffff:ffff:ffff
2001:450:2015::/482001:450:2015::2001:450:2015:ffff:ffff:ffff:ffff:ffff
2001:13b0:8029::/482001:13b0:8029::2001:13b0:8029:ffff:ffff:ffff:ffff:ffff
Showing 5 of 642