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ASN Lookup Tool
AS12265 R2G-1

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12265
Organisation
Transaction Network Services, Inc.
Name
R2G-1
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#74,584 out of 77,438
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-05-05
Registration Last Change
2021-06-30
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS36351
US flagSoftLayer Technologies Inc.
AS4181
US flagTDS TELECOM
AS8220
GB flagCOLT Technology Services Group Limited
AS293
US flagESnet
Showing 5 of 21
IPv4 Active Prefixes

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

Prefix204.14.4.0/24
Range From204.14.4.0
Range To204.14.4.255
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.