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ASN Lookup Tool
AS2 UDEL-DCN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2
Organisation
University of Delaware
Name
UDEL-DCN
Total IPv4 Addresses
69,632
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,506 out of 77,684
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1991-01-10
Registration Last Change
2023-11-08
Receiving From

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

ASN
Organisation
AS41837
RU flag"South telephone company" LLC
AS174
US flagCogent Communications
AS33287
US flagComcast Cable Communications, LLC
AS271662
BR flagULTRAXX SERVICOS DE CONECTIVIDADE LTDA
AS3754
US flagNYSERNet
Showing 5 of 6
Transit To

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

 

ASN
Organisation
AS131464
BD flagDigi Jadoo Broadband Ltd
AS64805
WORLD flagPrivate Use AS
AS266771
CL flagMAKRONET CONSULTING TECNOLOGIA E INFORMATICA LIM..
AS17044
US flagTHE INTERPUBLIC GROUP OF COMPANIES, INC.
AS50019
TR flagTURKLOKASYON TELEKOM VE BILISIM TEKNOLOJILERI
Showing 5 of 15
IPv4 Active Prefixes

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

Prefix91.143.144.0/20
Range From91.143.144.0
Range To91.143.159.255
Prefix128.4.0.0/16
Range From128.4.0.0
Range To128.4.255.255
IPv6 Active Prefixes
Prefix2804:7f08:c000::/34
Range From2804:7f08:c000::
Range To2804:7f08:ffff:ffff:ffff:ffff:ffff:ffff
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.