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ASN Lookup Tool
AS13748 CSHL

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS13748
Organisation
Cold Spring Harbor Laboratory
Name
CSHL
Total IPv4 Addresses
65536
Total IPv4 Prefixes
12
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,298 out of 77,308
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2014-04-17
Registration Last Change
2014-04-17
Receiving From

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

ASN
Organisation
AS46887
US flagCrown Castle Fiber LLC
IPv4 Active Prefixes

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

Prefix143.48.0.0/17
Range From143.48.0.0
Range To143.48.127.255
Prefix143.48.128.0/18
Range From143.48.128.0
Range To143.48.191.255
Prefix143.48.192.0/20
Range From143.48.192.0
Range To143.48.207.255
Prefix143.48.208.0/23
Range From143.48.208.0
Range To143.48.209.255
Prefix143.48.210.0/24
Range From143.48.210.0
Range To143.48.210.255
Showing 5 of 12
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.