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ASN Lookup Tool
AS2381 WISCNET1-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2381
Organisation
WiscNet
Name
WISCNET1-AS
Total IPv4 Addresses
558068
Total IPv4 Prefixes
144
Total IPv6 Prefixes
22
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#562 out of 76,380
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1993-02-03
Registration Last Change
2022-09-06
Receiving From

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

ASN
Organisation
AS3257
US flagGTT Communications Inc.
AS3303
CH flagSwisscom (Schweiz) AG
AS4181
US flagTDS TELECOM
AS6079
US flagRCN
AS8220
GB flagCOLT Technology Services Group Limited
Showing 5 of 27
Transit To

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

 

ASN
Organisation
AS51078
FR flagZIOSTING SAS
AS4200000210
WORLD flagPrivate Use AS
AS8075
US flagMicrosoft Corporation
AS16509
US flagAmazon.com, Inc.
AS174
US flagCogent Communications
Showing 5 of 517
IPv4 Active Prefixes

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

Prefix140.104.0.0/16
Range From140.104.0.0
Range To140.104.255.255
Prefix140.189.0.0/16
Range From140.189.0.0
Range To140.189.255.255
Prefix143.109.0.0/18
Range From143.109.0.0
Range To143.109.63.255
Prefix143.109.64.0/19
Range From143.109.64.0
Range To143.109.95.255
Prefix143.109.192.0/19
Range From143.109.192.0
Range To143.109.223.255
Showing 5 of 144
IPv6 Active Prefixes
Prefix2001:4e0::/36
Range From2001:4e0::
Range To2001:4e0:fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4e0:1000::/45
Range From2001:4e0:1000::
Range To2001:4e0:1007:ffff:ffff:ffff:ffff:ffff
Prefix2001:4e0:1009::/48
Range From2001:4e0:1009::
Range To2001:4e0:1009:ffff:ffff:ffff:ffff:ffff
Prefix2001:4e0:100a::/47
Range From2001:4e0:100a::
Range To2001:4e0:100b:ffff:ffff:ffff:ffff:ffff
Prefix2001:4e0:100c::/46
Range From2001:4e0:100c::
Range To2001:4e0:100f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 22
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.