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ASN Lookup Tool
AS174 COGENT-174

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS174
Organisation
Cogent Communications
Name
COGENT-174
Total IPv4 Addresses
18175188
Total IPv4 Prefixes
11053
Total IPv6 Prefixes
2756
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#19 out of 77,247
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1996-05-16
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
AS22850
US flagPIT US
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS200242
DE flagHazel Reimer
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS20562
NL flagBroadband Hosting B.V.
Showing 5 of 238
Transit To

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

 

ASN
Organisation
AS398334
US flagTekvizion PVS, Inc.
AS51078
FR flagZIOSTING SAS
AS20459
NA flagTelecom Namibia
AS64629
WORLD flagPrivate Use AS
AS209022
GB flagTschajera Limited
Showing 5 of 7471
IPv4 Active Prefixes

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

Prefix2.58.4.0/22
Range From2.58.4.0
Range To2.58.7.255
Prefix5.34.208.0/21
Range From5.34.208.0
Range To5.34.215.255
Prefix5.157.72.0/21
Range From5.157.72.0
Range To5.157.79.255
Prefix5.181.181.0/24
Range From5.181.181.0
Range To5.181.181.255
Prefix5.181.182.0/24
Range From5.181.182.0
Range To5.181.182.255
Showing 5 of 11053
IPv6 Active Prefixes
Prefix2001:550::/48
Range From2001:550::
Range To2001:550:0:ffff:ffff:ffff:ffff:ffff
Prefix2001:550:1::/61
Range From2001:550:1::
Range To2001:550:1:7:ffff:ffff:ffff:ffff
Prefix2001:550:1:8::/62
Range From2001:550:1:8::
Range To2001:550:1:b:ffff:ffff:ffff:ffff
Prefix2001:550:1:c::/64
Range From2001:550:1:c::
Range To2001:550:1:c:ffff:ffff:ffff:ffff
Prefix2001:550:1:d::/64
Range From2001:550:1:d::
Range To2001:550:1:d:ffff:ffff:ffff:ffff
Showing 5 of 2756
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.