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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
1685753
Total IPv4 Prefixes
2075
Total IPv6 Prefixes
1873
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#253 out of 77,251
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
AS200242
DE flagHazel Reimer
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS41051
CH flagOpenfactory GmbH
Showing 5 of 514
Transit To

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

 

ASN
Organisation
AS199535
DE flagMacht Schicht IT-Beratung und IT-Dienstleistunge..
AS112
US flagDNS-OARC
AS4812
CN flagChina Telecom (Group) Shanghai Telecom Company S..
AS36351
US flagSoftLayer Technologies Inc.
AS33652
US flagComcast Cable Communications, LLC
Showing 5 of 665
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
Prefix1.1.1.0/25
Range From1.1.1.0
Range To1.1.1.127
Prefix1.1.1.128/25
Range From1.1.1.128
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
Showing 5 of 2075
IPv6 Active Prefixes
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
Prefix2400:cb00:15::/48
Range From2400:cb00:15::
Range To2400:cb00:15:ffff:ffff:ffff:ffff:ffff
Showing 5 of 1873
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.