AS20021 Ntirety, Inc.

LNH-INC - Ntirety, Inc. · registered in the United States

IPv4 addresses241,15235 prefixes · 0.008% of announced IPv4

Rank in United States#277largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#950of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryUnited States18,679 ASNs registered there

Open AS20021 in ASN lookup Look up an IP in this network (65.36.128.1) All networks in United States

IPv4 prefixes

All 35 prefixes, in address order.

65.36.128.0/17
65.182.192.0/19
66.36.191.0/24
66.241.192.0/18
67.59.128.0/18
72.4.160.0/20
76.12.0.0/18
76.12.64.0/20
76.12.80.0/21
76.12.88.0/22
76.12.92.0/24
76.12.93.0/24
76.12.94.0/23
76.12.96.0/19
76.12.128.0/17
173.239.96.0/19
199.231.128.0/20
199.231.144.0/22
204.12.0.0/18
204.12.64.0/21
204.12.72.0/22
204.12.76.0/24
204.12.77.0/24
204.12.78.0/23
204.12.80.0/20
204.12.96.0/19
208.112.0.0/17
209.41.160.0/19
209.164.56.0/21
209.216.40.0/23
209.216.44.0/23
216.74.36.0/24
216.74.48.0/22
216.74.56.0/21
216.248.192.0/20

IPv6 prefixes

All 2 prefixes.

2600:1300::/32
2600:1308::/32

Other ASNs named Ntirety, Inc.

4 other networks use the same organisation name; together with AS20021 they announce 300,032 IPv4 addresses.

ASNNameIPv4 addresses

AS3064AFFINITY-FTL - Ntirety, Inc. US56,064

AS18447AFFINITY-INTER - Ntirety, Inc. US1,536

AS14280NETNATION - Ntirety, Inc. US768

AS7215AHNET-AS - Ntirety, Inc. US512

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AS35847#279 AS-EFTL - Ezee Fiber240,384

AS16504#280 GRANITE - Granite Telecommunications LLC239,360

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