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ASN Lookup Tool
AS19858 GENSLER

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS19858
Organisation
M. Arthur Gensler Jr. & Associates, Inc.
Name
GENSLER
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#49,221 out of 79,065
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2001-02-21
Registration Last Change
2025-06-30
Receiving From

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

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IPv4 Active Prefixes

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

PrefixRange FromRange To
64.239.72.0/2464.239.72.064.239.72.255
64.239.73.0/2464.239.73.064.239.73.255