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ASN Lookup Tool
AS12271 TWC-12271-NYC

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12271
Organisation
Charter Communications Inc
Name
TWC-12271-NYC
Total IPv4 Addresses
2,920,445
Total IPv4 Prefixes
189
Total IPv6 Prefixes
64
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#154 out of 78,073
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2000-06-09
Registration Last Change
2018-11-27
Receiving From

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

ASN
Organisation
AS6453
US flagTATA COMMUNICATIONS (AMERICA) INC
AS7843
US flagCharter Communications Inc
Transit To

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

 

ASN
Organisation
AS393562
US flagMobilitie, LLC
AS22252
US flagThe City of New York
AS20252
US flagJoan and Sanford I. Weill Medical College and Gr..
AS18564
US flagSt. John's University, New York
AS22303
US flagState University of New York at New Paltz
Showing 5 of 47
IPv4 Active Prefixes

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

Prefix23.246.64.0/18
Range From23.246.64.0
Range To23.246.127.255
Prefix24.29.96.0/19
Range From24.29.96.0
Range To24.29.127.255
Prefix24.29.128.0/19
Range From24.29.128.0
Range To24.29.159.255
Prefix24.30.224.0/20
Range From24.30.224.0
Range To24.30.239.255
Prefix24.39.104.0/21
Range From24.39.104.0
Range To24.39.111.255
Showing 5 of 189
IPv6 Active Prefixes
Prefix2600:6000::/40
Range From2600:6000::
Range To2600:6000:ff:ffff:ffff:ffff:ffff:ffff
Prefix2600:6000:100::/41
Range From2600:6000:100::
Range To2600:6000:17f:ffff:ffff:ffff:ffff:ffff
Prefix2600:6000:180::/42
Range From2600:6000:180::
Range To2600:6000:1bf:ffff:ffff:ffff:ffff:ffff
Prefix2600:6000:1c0::/43
Range From2600:6000:1c0::
Range To2600:6000:1df:ffff:ffff:ffff:ffff:ffff
Prefix2600:6000:1e0::/44
Range From2600:6000:1e0::
Range To2600:6000:1ef:ffff:ffff:ffff:ffff:ffff
Showing 5 of 64
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.