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ASN Lookup Tool
AS3557 ISC-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3557
Organisation
Internet Systems Consortium, Inc.
Name
ISC-AS
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#55,528 out of 77,684
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1994-04-21
Registration Last Change
2012-04-02
Receiving From

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

ASN
Organisation
AS215233
US flagInternet Systems Consortium Inc.
AS27913
UY flagInternet Systems Consortium
AS61447
UY flagInternet Systems Consortium
AS33082
US flagInternet Systems Consortium, Inc.
AS23710
NZ flagInternet Systems Consortium
Showing 5 of 60
IPv4 Active Prefixes

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

Prefix192.5.4.0/24
Range From192.5.4.0
Range To192.5.4.255
Prefix192.5.5.0/24
Range From192.5.5.0
Range To192.5.5.255
IPv6 Active Prefixes
Prefix2001:500:2e::/48
Range From2001:500:2e::
Range To2001:500:2e:ffff:ffff:ffff:ffff:ffff
Prefix2001:500:2f::/48
Range From2001:500:2f::
Range To2001:500:2f: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.