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ASN Lookup Tool
AS13335 CLOUDFLARENET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS13335
Organisation
Cloudflare, Inc.
Name
CLOUDFLARENET
Total IPv4 Addresses
1,770,640
Total IPv4 Prefixes
2,157
Total IPv6 Prefixes
1,890
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#226 out of 78,051
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2010-07-14
Registration Last Change
2017-02-17
Receiving From

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

ASN
Organisation
AS19035
US flagHawaii Internet Exchange
AS200242
DE flagEmber Ana Reimer
AS4436
US flagGTT
AS22850
US flagPIT US
AS33891
DE flagCore-Backbone GmbH
Showing 5 of 515
Transit To

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

 

ASN
Organisation
AS204291
GB flagThomas McLoughlin
AS112
US flagDNS-OARC
AS149500
AU flagAperture Science Limited
AS212354
DK flagAlbert Soendergaard Pedersen
AS8075
US flagMicrosoft Corporation
Showing 5 of 784
IPv4 Active Prefixes

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

Prefix1.0.0.0/24
Range From1.0.0.0
Range To1.0.0.255
Prefix1.1.1.0/24
Range From1.1.1.0
Range To1.1.1.255
Prefix8.6.144.0/24
Range From8.6.144.0
Range To8.6.144.255
Prefix8.6.145.0/24
Range From8.6.145.0
Range To8.6.145.255
Prefix8.6.146.0/24
Range From8.6.146.0
Range To8.6.146.255
Showing 5 of 2,157
IPv6 Active Prefixes
Prefix2001:678:19c::/48
Range From2001:678:19c::
Range To2001:678:19c:ffff:ffff:ffff:ffff:ffff
Prefix2400:cb00:4::/48
Range From2400:cb00:4::
Range To2400:cb00:4:ffff:ffff:ffff:ffff:ffff
Prefix2400:cb00:11::/48
Range From2400:cb00:11::
Range To2400:cb00:11:ffff:ffff:ffff:ffff:ffff
Prefix2400:cb00:12::/48
Range From2400:cb00:12::
Range To2400:cb00:12:ffff:ffff:ffff:ffff:ffff
Prefix2400:cb00:14::/48
Range From2400:cb00:14::
Range To2400:cb00:14:ffff:ffff:ffff:ffff:ffff
Showing 5 of 1,890
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.