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ASN Lookup Tool
AS21859 ZEN-ECN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21859
Organisation
Zenlayer Inc
Name
ZEN-ECN
Total IPv4 Addresses
615,188
Total IPv4 Prefixes
1,582
Total IPv6 Prefixes
206
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#494 out of 77,675
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2013-04-02
Registration Last Change
2021-07-17
Receiving From

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

ASN
Organisation
AS200242
DE flagHazel Reimer
AS33891
DE flagCore-Backbone GmbH
AS7707
PH flagPhilippine Long Distance Telephone Co.
AS20562
NL flagBroadband Hosting B.V.
AS61522
CL flagPIT CHILE SP
Showing 5 of 270
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS65255
WORLD flagPrivate Use AS
AS65254
WORLD flagPrivate Use AS
AS65237
WORLD flagPrivate Use AS
AS65232
WORLD flagPrivate Use AS
AS142642
CN flagAtonal System
Showing 5 of 196
IPv4 Active Prefixes

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

Prefix8.23.192.0/23
Range From8.23.192.0
Range To8.23.193.255
Prefix23.90.128.0/20
Range From23.90.128.0
Range To23.90.143.255
Prefix23.90.144.0/20
Range From23.90.144.0
Range To23.90.159.255
Prefix23.90.160.0/21
Range From23.90.160.0
Range To23.90.167.255
Prefix23.90.168.0/23
Range From23.90.168.0
Range To23.90.169.255
Showing 5 of 1,582
IPv6 Active Prefixes
Prefix2404:3700::/48
Range From2404:3700::
Range To2404:3700:0:ffff:ffff:ffff:ffff:ffff
Prefix2404:e5c0::/32
Range From2404:e5c0::
Range To2404:e5c0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2404:ff40:4000::/36
Range From2404:ff40:4000::
Range To2404:ff40:4fff:ffff:ffff:ffff:ffff:ffff
Prefix240d:c010:14b::/48
Range From240d:c010:14b::
Range To240d:c010:14b:ffff:ffff:ffff:ffff:ffff
Prefix240d:c010:14c::/48
Range From240d:c010:14c::
Range To240d:c010:14c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 206
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.