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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
628233
Total IPv4 Prefixes
1716
Total IPv6 Prefixes
209
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#518 out of 76,445
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
AS23815
JP flagJapan Internet Xing Co., Ltd.
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS20562
NL flagBroadband Hosting B.V.
AS24115
SG flagEquinix Asia Pacific Pte Ltd
Showing 5 of 275
Transit To

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

 

ASN
Organisation
AS65232
WORLD flagPrivate Use AS
AS16509
US flagAmazon.com, Inc.
AS174
US flagCogent Communications
AS12389
RU flagPJSC Rostelecom
AS37963
CN flagHangzhou Alibaba Advertising Co.,Ltd. East Softw..
Showing 5 of 224
IPv4 Active Prefixes

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

Prefix5.102.96.0/21
Range From5.102.96.0
Range To5.102.103.255
Prefix8.23.192.0/23
Range From8.23.192.0
Range To8.23.193.255
Prefix23.26.78.0/24
Range From23.26.78.0
Range To23.26.78.255
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
Showing 5 of 1716
IPv6 Active Prefixes
Prefix2404:e5c0::/32
Range From2404:e5c0::
Range To2404:e5c0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2404:ff40::/36
Range From2404:ff40::
Range To2404:ff40:fff:ffff:ffff:ffff:ffff:ffff
Prefix2404:ff40:1000::/36
Range From2404:ff40:1000::
Range To2404:ff40:1fff:ffff:ffff:ffff:ffff:ffff
Prefix2404:ff40:5000::/36
Range From2404:ff40:5000::
Range To2404:ff40:5fff:ffff:ffff:ffff:ffff:ffff
Prefix2404:ff40:9000::/36
Range From2404:ff40:9000::
Range To2404:ff40:9fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 209
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.