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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
71,168
Total IPv4 Prefixes
7
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,517 out of 79,038
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
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
AS33287
US flagComcast Cable Communications, LLC
AS65500
WORLD flagPrivate Use AS
Showing 5 of 32
Transit To

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

 

ASN
Organisation
AS52640
BR flagUSCM - COMUNICACAO MULTIMIDIA LTDA.
AS265304
BR flagBrdsoft Solucoes de T.i e Telecomunicacoes LTDA
AS265398
BR flagnobre telecom ltda
AS139928
BD flagThird Wave Technologies Ltd
IPv4 Active Prefixes

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

Prefix45.161.25.0/24
Range From45.161.25.0
Range To45.161.25.255
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
Prefix187.109.32.0/24
Range From187.109.32.0
Range To187.109.32.255
Prefix187.109.33.0/24
Range From187.109.33.0
Range To187.109.33.255
Showing 5 of 7
IPv6 Active Prefixes
Prefix2804:f80:3::/48
Range From2804:f80:3::
Range To2804:f80:3:ffff:ffff:ffff:ffff:ffff
Prefix2804:7f08:c000::/34
Range From2804:7f08:c000::
Range To2804:7f08:ffff:ffff:ffff:ffff:ffff:ffff