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ASN Lookup Tool
AS4997 AFS-WEST

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4997
Organisation
Zayo Bandwidth
Name
AFS-WEST
Total IPv4 Addresses
26624
Total IPv4 Prefixes
37
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,585 out of 76,234
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2002-01-04
Registration Last Change
2017-03-09
Receiving From

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

ASN
Organisation
AS19092
US flagZayo Bandwidth
IPv4 Active Prefixes

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

Prefix208.39.192.0/23
Range From208.39.192.0
Range To208.39.193.255
Prefix208.39.194.0/23
Range From208.39.194.0
Range To208.39.195.255
Prefix208.39.196.0/23
Range From208.39.196.0
Range To208.39.197.255
Prefix208.39.198.0/24
Range From208.39.198.0
Range To208.39.198.255
Prefix208.39.199.0/24
Range From208.39.199.0
Range To208.39.199.255
Showing 5 of 37
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.