AS396190 Leaseweb USA, Inc.

LEASEWEB-USA-SEA - Leaseweb USA, Inc. · registered in the United States

IPv4 addresses127,48884 prefixes · 0.004% of announced IPv4

Rank in United States#562largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,642of 79,396 networks with IPv4

IPv681 x /32 (5,308,416 x /48)11 prefixes

CountryUnited States18,679 ASNs registered there

Open AS396190 in ASN lookup Look up an IP in this network (23.19.32.1) All networks in United States

IPv4 prefixes

All 84 prefixes, in address order.

23.19.32.0/21
23.19.80.0/21
23.19.104.0/22
23.19.124.0/22
23.19.128.0/22
23.19.168.0/22
23.19.216.0/22
23.19.248.0/22
23.81.0.0/21
23.81.136.0/21
23.81.208.0/21
23.82.32.0/21
23.82.72.0/21
23.82.144.0/21
23.82.192.0/19
23.82.224.0/21
23.82.240.0/21
23.105.64.0/19
23.106.0.0/19
23.106.192.0/19
23.108.128.0/19
23.108.224.0/19
64.120.2.0/24
64.120.4.0/22
64.120.16.0/22
64.120.48.0/22
64.120.65.0/24
64.120.68.0/23
64.120.106.0/24
64.120.123.0/24
69.147.236.0/24
70.32.34.0/24
89.249.193.0/24
108.62.5.0/24
108.62.56.0/21
108.62.152.0/21
108.62.192.0/22
108.62.197.0/24
108.62.199.0/24
108.62.220.0/22
108.177.128.0/22
108.177.216.0/22
108.177.244.0/22
142.91.88.0/21
142.91.116.0/22
142.91.208.0/22
142.234.104.0/21
142.234.168.0/21
142.234.180.0/22
142.234.188.0/22
142.234.232.0/21
142.234.248.0/22
147.255.224.0/21
152.163.4.0/22
152.163.64.0/22
152.163.88.0/22
152.163.104.0/22
152.163.140.0/22
152.163.192.0/22
152.163.216.0/22
152.163.240.0/22
172.241.120.0/22
172.241.136.0/22
172.241.156.0/22
172.241.200.0/22
173.208.32.0/21
173.208.118.0/24
173.234.80.0/22
173.234.88.0/23
173.234.180.0/22
174.34.144.0/23
191.96.104.0/24
191.96.202.0/24
191.96.254.0/24
191.101.11.0/24
191.101.25.0/24
191.101.181.0/24
191.101.188.0/24
212.42.193.0/24
212.42.194.0/24
212.42.200.0/24
212.42.207.0/24
216.6.228.0/24
216.6.236.0/24

IPv6 prefixes

All 11 prefixes.

2607:f5b2::/32
2a09:7f80::/29
2a0d:83c0::/29
2a0d:9400::/29
2a10:fdc0::/29
2a11:1700::/29
2a11:6000::/29
2a11:7900::/29
2a11:8400::/29
2a11:9200::/29
2a11:cb00::/29

Other ASNs named Leaseweb USA, Inc.

8 other networks use the same organisation name; together with AS396190 they announce 1,311,232 IPv4 addresses.

ASNNameIPv4 addresses

AS395954LEASEWEB-USA-LAX - Leaseweb USA, Inc. US552,192

AS7203LEASEWEB-USA-SFO - Leaseweb USA, Inc. US180,480

AS30633LEASEWEB-USA-WDC - Leaseweb USA, Inc. US152,064

AS27411LEASEWEB-USA-CHI - Leaseweb USA, Inc. US89,856

AS396362LEASEWEB-USA-NYC - Leaseweb USA, Inc. US66,560

AS19148LEASEWEB-USA-PHX - Leaseweb USA, Inc. US64,256

AS394380LEASEWEB-USA-DAL - Leaseweb USA, Inc. US49,408

AS393886LEASEWEB-USA-MIA - Leaseweb USA, Inc. US28,928

Similar-sized networks in United States

ASNNameIPv4 addresses

AS15224#559 OMNITURE - Adobe Inc.128,768

AS395959#560 XEROX-ELL - XEROX CORPORATION128,512

AS63911#561 NETACTUATE-AS-AP - NetActuate, Inc128,256

AS16399#563 FIRSTCOMM-AS2 - First Communications LLC126,976

AS29838#564 AMC - Atlantic Metro Communications II, Inc.126,720

AS26801#565 ZITOMEDIA611 - Zito Media, L.P.126,464

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources