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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
2,093,056
Total IPv4 Prefixes
303
Total IPv6 Prefixes
71
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#192 out of 79,126
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1986-08-07
Registration Last Change
2021-06-29
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS11426
US flagCharter Communications Inc
AS6461
US flagZayo Bandwidth
Showing 5 of 7
Transit To
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
AS64520
WORLD flagPrivate Use AS
Showing 5 of 38
IPv4 Active Prefixes
PrefixRange FromRange To
128.109.0.0/16128.109.0.0128.109.255.255
152.4.0.0/16152.4.0.0152.4.255.255
152.6.0.0/16152.6.0.0152.6.255.255
152.8.0.0/16152.8.0.0152.8.255.255
152.9.0.0/16152.9.0.0152.9.255.255
Showing 5 of 303
IPv6 Active Prefixes
PrefixRange FromRange To
2600:2700::/322600:2700::2600:2700:ffff:ffff:ffff:ffff:ffff:ffff
2600:2701::/342600:2701::2600:2701:3fff:ffff:ffff:ffff:ffff:ffff
2600:2701:4008::/452600:2701:4008::2600:2701:400f:ffff:ffff:ffff:ffff:ffff
2600:2701:4010::/442600:2701:4010::2600:2701:401f:ffff:ffff:ffff:ffff:ffff
2600:2701:4020::/432600:2701:4020::2600:2701:403f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 71