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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
73216
Total IPv4 Prefixes
12
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,447 out of 76,380
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
AS208977
RU flagPJSC Pharmacy Chain 36.6
AS55257
US flagStrata Pointe Technologies LLC
AS174
US flagCogent Communications
AS6713
MA flagOffice National des Postes et Telecommunications..
Showing 5 of 25
Transit To

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

 

ASN
Organisation
AS3999
US flagThe Pennsylvania State University
AS12486
YE flagTeleYemen
AS50019
TR flagTURKLOKASYON TELEKOM VE BILISIM TEKNOLOJILERI
IPv4 Active Prefixes

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

Prefix12.35.70.0/23
Range From12.35.70.0
Range To12.35.71.255
Prefix41.78.136.0/24
Range From41.78.136.0
Range To41.78.136.255
Prefix45.9.216.0/24
Range From45.9.216.0
Range To45.9.216.255
Prefix91.143.144.0/20
Range From91.143.144.0
Range To91.143.159.255
Prefix103.24.30.0/24
Range From103.24.30.0
Range To103.24.30.255
Showing 5 of 12
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.