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AS21859

AS21859 is Zenlayer Inc.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS21859 belongs to Zenlayer Inc. DB-IP Lite attributes 670,720 IPv4 addresses in 581 ranges and 64 IPv6 ranges to it, 25% of the IPv4 space in United States. The number is registered with ARIN in United States on 2 Apr 2013.

Facts for AS21859
Operator (DB-IP)Zenlayer Inc
IPv4 addresses670,720
IPv4 ranges581
IPv6 ranges64
RegistryARIN
Registered2 Apr 2013
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Zenlayer Inc hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 64 IPv6 ranges for AS21859, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US25%
HK10%
SG8%
DE5%
JP5%
IN4%
ID4%
VN3%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
2.27.161.0 – 2.27.161.2552.27.161.0/24256
5.252.82.0 – 5.252.82.2555.252.82.0/24256
8.23.192.0 – 8.23.193.2558.23.192.0/23512
14.102.227.0 – 14.102.227.25514.102.227.0/24256
23.27.112.0 – 23.27.112.25523.27.112.0/24256
23.90.128.0 – 23.90.191.25523.90.128.0/1816,384
23.91.102.0 – 23.91.103.25523.91.102.0/23512
23.91.108.0 – 23.91.111.25523.91.108.0/221,024
23.139.252.0 – 23.139.252.25523.139.252.0/24256
23.154.4.0 – 23.154.4.25523.154.4.0/24256
23.154.44.0 – 23.154.44.25523.154.44.0/24256
23.154.76.0 – 23.154.76.25523.154.76.0/24256
23.154.84.0 – 23.154.84.25523.154.84.0/24256
23.154.92.0 – 23.154.92.25523.154.92.0/24256
23.154.108.0 – 23.154.108.25523.154.108.0/24256
23.154.140.0 – 23.154.140.25523.154.140.0/24256
23.154.148.0 – 23.154.148.25523.154.148.0/24256
23.236.65.0 – 23.236.65.25523.236.65.0/24256
23.236.70.0 – 23.236.70.25523.236.70.0/24256
23.236.96.0 – 23.236.110.25523.236.96.0/21, 23.236.104.0/22 …3,840
23.236.112.0 – 23.236.125.25523.236.112.0/21, 23.236.120.0/22 …3,584
23.236.127.0 – 23.236.127.25523.236.127.0/24256
23.248.160.0 – 23.248.161.25523.248.160.0/23512
23.248.164.0 – 23.248.173.25523.248.164.0/22, 23.248.168.0/22 …2,560
23.248.176.0 – 23.248.183.25523.248.176.0/212,048
23.248.186.0 – 23.248.191.25523.248.186.0/23, 23.248.188.0/221,536
23.251.96.0 – 23.251.126.25523.251.96.0/20, 23.251.112.0/21 …7,936
31.57.35.0 – 31.57.35.25531.57.35.0/24256
31.57.100.0 – 31.57.100.25531.57.100.0/24256
31.57.228.0 – 31.57.228.25531.57.228.0/24256
31.99.202.0 – 31.99.202.25531.99.202.0/24256
31.216.56.0 – 31.216.56.25531.216.56.0/24256
36.255.193.0 – 36.255.195.25536.255.193.0/24, 36.255.194.0/23768
37.202.222.0 – 37.202.222.25537.202.222.0/24256
38.28.244.0 – 38.28.247.25538.28.244.0/221,024
38.33.144.0 – 38.33.159.25538.33.144.0/204,096
38.38.252.0 – 38.38.255.25538.38.252.0/221,024
38.46.79.0 – 38.46.79.25538.46.79.0/24256
38.81.105.0 – 38.81.105.25538.81.105.0/24256
38.86.195.0 – 38.86.195.25538.86.195.0/24256
38.109.249.0 – 38.109.249.25538.109.249.0/24256
38.128.8.0 – 38.128.8.25538.128.8.0/24256
38.128.10.0 – 38.128.10.25538.128.10.0/24256
38.130.118.0 – 38.130.118.25538.130.118.0/24256
38.131.128.0 – 38.131.131.25538.131.128.0/221,024
38.131.237.0 – 38.131.237.25538.131.237.0/24256
38.135.99.0 – 38.135.99.25538.135.99.0/24256
38.183.160.0 – 38.183.175.25538.183.160.0/204,096
40.27.35.0 – 40.27.35.25540.27.35.0/24256
40.27.57.0 – 40.27.57.25540.27.57.0/24256
2403:8300:e00:: – 2403:8300:e00:ffff:ffff:ffff:ffff:ffff2403:8300:e00::/48IPv6
2403:8300:e02:: – 2403:8300:e02:ffff:ffff:ffff:ffff:ffff2403:8300:e02::/48IPv6
2403:8300:e04:: – 2403:8300:e05:ffff:ffff:ffff:ffff:ffff2403:8300:e04::/47IPv6
2403:8300:e08:: – 2403:8300:e0b:ffff:ffff:ffff:ffff:ffff2403:8300:e08::/46IPv6
2404:ff40:: – 2404:ff40:fff:ffff:ffff:ffff:ffff:ffff2404:ff40::/36IPv6
2404:ff40:2000:: – 2404:ff40:3fff:ffff:ffff:ffff:ffff:ffff2404:ff40:2000::/35IPv6
2404:ff40:5000:: – 2404:ff40:5fff:ffff:ffff:ffff:ffff:ffff2404:ff40:5000::/36IPv6
2404:ff40:7000:: – 2404:ff40:7fff:ffff:ffff:ffff:ffff:ffff2404:ff40:7000::/36IPv6
240d:c010:14b:: – 240d:c010:14b:ffff:ffff:ffff:ffff:ffff240d:c010:14b::/48IPv6
2602:ffe4:: – 2602:ffe4:805:ffff:ffff:ffff:ffff:ffff2602:ffe4::/37IPv6
2602:ffe4:c01:: – 2602:ffe4:c01:ffff:ffff:ffff:ffff:ffff2602:ffe4:c01::/48IPv6
2602:ffe4:c05:: – 2602:ffe4:c07:ffff:ffff:ffff:ffff:ffff2602:ffe4:c05::/48IPv6
2602:ffe4:c0b:: – 2602:ffe4:c0b:ffff:ffff:ffff:ffff:ffff2602:ffe4:c0b::/48IPv6
2602:ffe4:c11:: – 2602:ffe4:c11:ffff:ffff:ffff:ffff:ffff2602:ffe4:c11::/48IPv6
2602:ffe4:c13:: – 2602:ffe4:c16:ffff:ffff:ffff:ffff:ffff2602:ffe4:c13::/48IPv6
2602:ffe4:c18:: – 2602:ffe4:c1a:ffff:ffff:ffff:ffff:ffff2602:ffe4:c18::/47IPv6
2602:ffe4:c1c:: – 2602:ffe4:c1c:ffff:ffff:ffff:ffff:ffff2602:ffe4:c1c::/48IPv6
2602:ffe4:c1f:: – 2602:ffe4:c22:ffff:ffff:ffff:ffff:ffff2602:ffe4:c1f::/48IPv6
2602:ffe4:c26:: – 2602:ffe4:c27:ffff:ffff:ffff:ffff:ffff2602:ffe4:c26::/47IPv6
2602:ffe4:c34:: – 2602:ffe4:c34:ffff:ffff:ffff:ffff:ffff2602:ffe4:c34::/48IPv6
Showing 50 of 581 IPv4 and 20 of 64 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026