ASN Lookup Tool

WiscNet wiscnet.net US US 39 Routes

AS Data

AS2381

AS2381 – WiscNet

AS Number 2381
AS Name WISCNET1-AS
Organization WiscNet (wisc-z)
Country US
Website wiscnet.net
Number of IPv4 Routes 37
Number of IPv6 Routes 2
ASN type ISP
Registry ARIN
Date Allocated 1993-02-03

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Use ASN data for AS2381 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
216.56.252.0/23 512
2001:4e0::/32 ~79×10²⁷
64.189.15.0/24 256
204.128.233.0/24 256
204.128.238.0/24 256
199.248.186.0/24 256
2620:11f:f000::/40 ~309×10²⁴
199.233.84.0/24 256
204.128.234.0/24 256
204.128.241.0/24 256
143.109.192.0/19 8192
205.213.0.0/16 65536
199.233.45.0/24 256
170.125.0.0/16 65536
199.242.176.0/24 256
204.128.237.0/24 256
204.145.232.0/24 256
204.128.242.0/24 256
170.125.238.0/23 512
192.206.48.0/24 256
199.233.44.0/23 512
199.233.142.0/24 256
160.32.0.0/22 1024
140.189.0.0/16 65536
192.156.230.0/24 256
140.104.0.0/16 65536
204.128.236.0/24 256
199.233.86.0/24 256
144.89.0.0/18 16384
148.59.44.0/24 256
199.233.44.0/24 256
198.150.0.0/16 65536
216.56.0.0/16 65536
165.128.0.0/16 65536
199.197.64.0/18 16384
143.109.64.0/19 8192
204.128.235.0/24 256
208.85.28.0/22 1024
204.128.240.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       2381
ASName:         WISCNET1-AS
ASHandle:       AS2381
RegDate:        1993-02-03
Updated:        2024-02-28
Ref:            https://rdap.arin.net/registry/autnum/2381


OrgName:        WiscNet
OrgId:          WISC-Z
Address:        605 Science Drive
City:           Madison
StateProv:      WI
PostalCode:     53711
Country:        US
RegDate:        2022-08-01
Updated:        2024-02-28
Ref:            https://rdap.arin.net/registry/entity/WISC-Z


OrgAbuseHandle: ABUSE8958-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-608-442-6761 
OrgAbuseEmail:  abuse@wiscnet.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8958-ARIN

OrgTechHandle: WN29-ORG-ARIN
OrgTechName:   WiscNet NIC
OrgTechPhone:  +1-608-210-3979 
OrgTechEmail:  nic@wiscnet.net
OrgTechRef:    https://rdap.arin.net/registry/entity/WN29-ORG-ARIN

RTechHandle: WN29-ORG-ARIN
RTechName:   WiscNet NIC
RTechPhone:  +1-608-210-3979 
RTechEmail:  nic@wiscnet.net
RTechRef:    https://rdap.arin.net/registry/entity/WN29-ORG-ARIN

RAbuseHandle: ABUSE8958-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-608-442-6761 
RAbuseEmail:  abuse@wiscnet.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8958-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS21738 Rozint US
AS393577 Tritan Development US
AS6614 T-Mobile USA, Inc. US
AS40627 RingCentral Inc US
AS286 GTT Communications Inc. US
AS13631 CITADEL ENTERPRISE AMERICAS LLC US
AS14537 Continent 8 LLC US
AS394673 Milwaukee Area Technical College US
AS199524 G-Core Labs S.A. LU
AS399647 Rumble USA Inc. US
AS62523 CIRBN, LLC US
AS3303 Swisscom Schweiz AG CH
AS215724 Edgevana, Inc. US
AS16509 Amazon.com, Inc. US
AS6079 RCN US
AS19255 YOUR.ORG, INC. US
AS23367 Adaptive Data Networks, LLC US
AS63399 Dialpad, Inc. US
AS394316 Altra Federal Credit Union US
AS36692 Cisco OpenDNS, LLC US
AS32590 Valve Corporation US
AS6507 Riot Games, Inc US
AS11164 Internet2 US
AS11114 Wintek Corporation US
AS1547 INTERDNESTRKOM, Sovmestnoe Zakrytoe Aktsionernoe Obshchestvo MD
AS35986 Vyve Broadband US
AS401332 Triplebit US
AS29838 Atlantic Metro Communications II, Inc. US
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS50144 Unimatrix IT Solutions Kft. HU
AS32787 Akamai Technologies, Inc. US
AS395505 iManage, LLC US
AS46103 University of Wisconsin Whitewater US
AS4826 Vocus Connect International Backbone AU
AS32621 Twin City VoIP, Inc. US
AS14061 DigitalOcean, LLC US
AS19679 Dropbox, Inc. US
AS32244 Liquid Web, L.L.C US
AS22066 City of Eau Claire US
AS64243 Moraine Park Technical College US
AS7843 Charter Communications Inc US
AS4455 IX Reach Ltd GB
AS14192 Carthage College US
AS21949 Beanfield Technologies Inc. CA
AS10310 Yahoo Holdings Inc. US
AS40347 Eau Claire County US
AS36723 Waukesha County US
AS400529 Infraly, LLC US
AS17306 JAB Wireless, INC. US
AS396431 T38Fax Incorporated US
AS40676 Psychz Networks US
AS13428 Surf Air Wireless, LLC US
AS16591 Google Fiber Inc. US
AS19551 Incapsula Inc US
AS19151 BroadbandONE, LLC US
AS7342 VeriSign Infrastructure & Operations US
AS42 WoodyNet, Inc. US
AS7155 ViaSat,Inc. US
AS6327 Shaw Communications CA

Upstreams

AS Number Description Country
AS8220 COLT Technology Services Group Limited GB
AS293 ESnet US
AS29838 Atlantic Metro Communications II, Inc. US
AS3303 Swisscom Schweiz AG CH
AS11537 Internet2 US
AS1299 Arelion Sweden AB SE
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS11164 Internet2 US
AS3257 GTT Communications Inc. US
AS32621 Twin City VoIP, Inc. US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS53355 Concordia University Wisconsin US
AS33503 Medical College of Wisconsin US
AS46103 University of Wisconsin Whitewater US
AS396939 Fond du Lac Band of Lake Superior Chippewa US
AS22137 Blood Center of Wisconsin, Inc. US
AS3676 University of Iowa US
AS394673 Milwaukee Area Technical College US
AS400632 KUSD US
AS19782 Indiana University US
AS57 University of Minnesota US

Contacts

Email Contacts

nic@wiscnet.net

Abuse Contacts

abuse@wiscnet.net

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Frequently Asked Questions

ASN AS2381 is an Autonomous System Number used to identify a network for BGP internet routing.
AS2381 is listed under WiscNet.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.