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ASN Lookup Tool
AS81 NCREN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS81
Organisation
MCNC
Name
NCREN
Total IPv4 Addresses
2100992
Total IPv4 Prefixes
289
Total IPv6 Prefixes
71
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#212 out of 76,369
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1986-08-07
Registration Last Change
2021-06-29
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS11426
US flagCharter Communications Inc
AS6461
US flagZayo Bandwidth
Showing 5 of 7
Transit To

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

 

ASN
Organisation
AS6559
US flagState of NC - State Telecommunications Services
AS36850
US flagUniversity of North Carolina at Chapel Hill
AS11442
US flagNorth Carolina State University
AS13371
US flagDuke University
AS53785
US flagUniversity of North Carolina at Greensboro
Showing 5 of 35
IPv4 Active Prefixes

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

Prefix128.109.0.0/16
Range From128.109.0.0
Range To128.109.255.255
Prefix152.4.0.0/16
Range From152.4.0.0
Range To152.4.255.255
Prefix152.6.0.0/16
Range From152.6.0.0
Range To152.6.255.255
Prefix152.8.0.0/16
Range From152.8.0.0
Range To152.8.255.255
Prefix152.9.0.0/16
Range From152.9.0.0
Range To152.9.255.255
Showing 5 of 289
IPv6 Active Prefixes
Prefix2001:468:1500::/40
Range From2001:468:1500::
Range To2001:468:15ff:ffff:ffff:ffff:ffff:ffff
Prefix2600:2700::/32
Range From2600:2700::
Range To2600:2700:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2600:2701::/34
Range From2600:2701::
Range To2600:2701:3fff:ffff:ffff:ffff:ffff:ffff
Prefix2600:2701:4008::/45
Range From2600:2701:4008::
Range To2600:2701:400f:ffff:ffff:ffff:ffff:ffff
Prefix2600:2701:4010::/44
Range From2600:2701:4010::
Range To2600:2701:401f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 71
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.