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ASN Lookup Tool
AS401800 ILSOS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS401800
Organisation
Illinois Secretary of State
Name
ILSOS
Total IPv4 Addresses
1,024
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#42,343 out of 79,042
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2025-07-02
Registration Last Change
2025-07-02
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
IPv4 Active Prefixes

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

PrefixRange FromRange To
199.15.0.0/22199.15.0.0199.15.3.255