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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
19043873
Total IPv4 Prefixes
9775
Total IPv6 Prefixes
2966
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#19 out of 76,445
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
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS20562
NL flagBroadband Hosting B.V.
AS38740
BT flagTashi InfoComm Limited
AS7018
US flagAT&T Services, Inc.
Showing 5 of 252
Transit To

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

 

ASN
Organisation
AS13912
US flagCommtouch Inc.
AS4294900998
WORLD flagPrivate Use AS
AS210366
CY flagWargaming Group Limited
AS51078
FR flagZIOSTING SAS
AS400090
US flagLMK Resources Inc.
Showing 5 of 7411
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
Prefix4.42.228.0/22
Range From4.42.228.0
Range To4.42.231.255
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 9775
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 2966
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.