ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.65B
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 155.7.0.0 – 155.7.255.255 | 65,536 |  US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.8.0.0 – 155.8.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.148.0.0 – 155.148.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.149.0.0 – 155.149.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.150.0.0 – 155.150.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.151.0.0 – 155.151.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 157.182.0.0 – 157.182.255.255 | 65,536 | US |
allocated | 1992-01-22 | e44d4b6d791b… |
| 157.183.0.0 – 157.183.255.255 | 65,536 | US |
allocated | 1992-01-22 | 0f0deeac47be… |
| 157.184.0.0 – 157.184.255.255 | 65,536 | US |
allocated | 1992-01-22 | d9721f9a2975… |
| 157.187.0.0 – 157.187.255.255 | 65,536 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 157.188.0.0 – 157.188.255.255 | 65,536 | US |
allocated | 1992-01-22 | 1702e40ebca5… |
| 192.108.183.0 – 192.108.183.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.108.184.0 – 192.108.184.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.129.67.0 – 192.129.67.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.129.68.0 – 192.129.68.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.138.250.0 – 192.138.250.255 | 256 | US |
allocated | 1992-01-22 | 1e041f17224d… |
| 192.138.252.0 – 192.138.252.255 | 256 | US |
allocated | 1992-01-22 | b89883210321… |
| 192.138.253.0 – 192.138.253.255 | 256 | US |
allocated | 1992-01-22 | 5d8c20c71bcf… |
| 192.138.254.0 – 192.138.254.255 | 256 | US |
allocated | 1992-01-22 | b461d5de61b1… |
| 192.146.101.0 – 192.146.101.255 | 256 | US |
allocated | 1992-01-22 | d9721f9a2975… |
| 192.146.102.0 – 192.146.102.255 | 256 | US |
allocated | 1992-01-22 | 6154750e26cb… |
| 192.146.103.0 – 192.146.103.255 | 256 | US |
allocated | 1992-01-22 | 161fb0fc33bc… |
| 192.146.105.0 – 192.146.105.255 | 256 | US |
allocated | 1992-01-22 | b86cb06718c7… |
| 192.146.106.0 – 192.146.106.255 | 256 | US |
allocated | 1992-01-22 | b86cb06718c7… |
| 192.146.107.0 – 192.146.107.255 | 256 | US |
allocated | 1992-01-22 | b86cb06718c7… |
| 192.146.108.0 – 192.146.108.255 | 256 | US |
allocated | 1992-01-22 | b86cb06718c7… |
| 192.146.109.0 – 192.146.109.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.146.110.0 – 192.146.110.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 192.146.111.0 – 192.146.111.255 | 256 | US |
allocated | 1992-01-22 | 45fe880b68a8… |
| 155.5.0.0 – 155.5.255.255 | 65,536 | US |
allocated | 1992-01-21 | 45fe880b68a8… |
| 192.138.238.0 – 192.138.238.255 | 256 | US |
allocated | 1992-01-21 | e0cd88697e12… |
| 192.138.239.0 – 192.138.239.255 | 256 | US |
allocated | 1992-01-21 | e0cd88697e12… |
| 192.138.240.0 – 192.138.247.255 | 2,048 | US |
allocated | 1992-01-21 | e0cd88697e12… |
| 157.174.0.0 – 157.174.255.255 | 65,536 | US |
allocated | 1992-01-17 | 88e96348bd3b… |
| 192.138.233.0 – 192.138.233.255 | 256 | US |
allocated | 1992-01-17 | 73d8daafe29c… |
| 192.138.234.0 – 192.138.234.255 | 256 | US |
allocated | 1992-01-17 | c031e10cfb0d… |
| 192.138.235.0 – 192.138.235.255 | 256 | US |
allocated | 1992-01-17 | 5b444287e22a… |
| 192.138.236.0 – 192.138.236.255 | 256 | US |
allocated | 1992-01-17 | 221608555c5b… |
| 157.170.0.0 – 157.170.255.255 | 65,536 | US |
allocated | 1992-01-16 | acfc4932ac54… |
| 192.138.198.0 – 192.138.198.255 | 256 | US |
allocated | 1992-01-16 | ade2ed244d0c… |
| 192.138.199.0 – 192.138.199.255 | 256 | US |
allocated | 1992-01-16 | a1795441e5d7… |
| 192.138.200.0 – 192.138.200.255 | 256 | US |
allocated | 1992-01-16 | 1522508e3e04… |
| 192.138.202.0 – 192.138.202.255 | 256 | US |
allocated | 1992-01-16 | 72c55a2f0ae0… |
| 192.138.203.0 – 192.138.203.255 | 256 | US |
allocated | 1992-01-16 | 6af3dbdad10c… |
| 192.138.205.0 – 192.138.205.255 | 256 | US |
allocated | 1992-01-16 | 1f687a0c4d6c… |
| 157.165.0.0 – 157.165.255.255 | 65,536 | US |
allocated | 1992-01-15 | b932558eb528… |
| 157.166.0.0 – 157.166.255.255 | 65,536 | US |
allocated | 1992-01-15 | c370dca571a8… |
| 192.138.193.0 – 192.138.193.255 | 256 | US |
allocated | 1992-01-15 | 3a3d8b044f32… |
| 192.138.194.0 – 192.138.194.255 | 256 | US |
allocated | 1992-01-15 | 3a3d8b044f32… |
| 192.138.195.0 – 192.138.195.255 | 256 | US |
allocated | 1992-01-15 | 7e2cb13e876f… |
| 192.138.196.0 – 192.138.196.255 | 256 | US |
allocated | 1992-01-15 | 7e2cb13e876f… |
| 192.138.197.0 – 192.138.197.255 | 256 | US |
allocated | 1992-01-15 | 7e2cb13e876f… |
| 192.138.181.0 – 192.138.181.255 | 256 | US |
allocated | 1992-01-14 | 2c8b166870cf… |
| 192.138.182.0 – 192.138.182.255 | 256 | US |
allocated | 1992-01-14 | 6e96845fd8b3… |
| 192.138.184.0 – 192.138.184.255 | 256 | US |
allocated | 1992-01-14 | 6091ffe81d76… |
| 192.138.186.0 – 192.138.186.255 | 256 |  CA |
allocated | 1992-01-14 | cdbf9216b32a… |
| 192.138.187.0 – 192.138.187.255 | 256 | US |
allocated | 1992-01-14 | 61d7f87bc87e… |
| 192.138.190.0 – 192.138.190.255 | 256 | US |
allocated | 1992-01-14 | d950268132e6… |
| 192.138.191.0 – 192.138.191.255 | 256 | CA |
allocated | 1992-01-14 | a2eba22c6c42… |
| 153.32.0.0 – 153.32.255.255 | 65,536 | US |
allocated | 1992-01-13 | 811055241253… |
| 153.38.0.0 – 153.39.255.255 | 131,072 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 155.6.0.0 – 155.6.255.255 | 65,536 | US |
allocated | 1992-01-13 | 45fe880b68a8… |
| 157.130.0.0 – 157.130.255.255 | 65,536 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 157.153.0.0 – 157.153.255.255 | 65,536 | US |
allocated | 1992-01-13 | 45fe880b68a8… |
| 157.154.0.0 – 157.154.255.255 | 65,536 | US |
allocated | 1992-01-13 | dc4dab5d216e… |
| 192.124.123.0 – 192.124.123.255 | 256 | US |
allocated | 1992-01-13 | dd3eb9957f43… |
| 192.124.125.0 – 192.124.125.255 | 256 | US |
allocated | 1992-01-13 | fc39d3d3a4a1… |
| 192.124.131.0 – 192.124.131.255 | 256 | US |
allocated | 1992-01-13 | 3901238897f6… |
| 192.124.133.0 – 192.124.133.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.134.0 – 192.124.134.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.137.0 – 192.124.137.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.138.0 – 192.124.139.255 | 512 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.140.0 – 192.124.140.255 | 256 | US |
allocated | 1992-01-13 | a736e57f2641… |
| 192.124.141.0 – 192.124.141.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.142.0 – 192.124.142.255 | 256 | US |
allocated | 1992-01-13 | 10622e84ebab… |
| 192.124.145.0 – 192.124.145.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.148.0 – 192.124.149.255 | 512 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.124.150.0 – 192.124.150.255 | 256 | US |
allocated | 1992-01-13 | 4c19b435174d… |
| 192.136.114.0 – 192.136.115.255 | 512 | CA |
allocated | 1992-01-13 | 347713ed3262… |
| 192.138.173.0 – 192.138.173.255 | 256 | US |
allocated | 1992-01-13 | 308a44f70022… |
| 192.138.174.0 – 192.138.174.255 | 256 | US |
allocated | 1992-01-13 | 45fe880b68a8… |
| 192.138.175.0 – 192.138.175.255 | 256 | US |
allocated | 1992-01-13 | e220ed812a4c… |
| 192.138.176.0 – 192.138.176.255 | 256 | US |
allocated | 1992-01-13 | 0fd8b33af415… |
| 192.138.177.0 – 192.138.177.255 | 256 | US |
allocated | 1992-01-13 | 0fd8b33af415… |
| 192.138.178.0 – 192.138.178.255 | 256 | US |
allocated | 1992-01-13 | 0fd8b33af415… |
| 192.138.179.0 – 192.138.179.255 | 256 | US |
allocated | 1992-01-13 | 48d18c2f9253… |
| 192.138.180.0 – 192.138.180.255 | 256 | US |
allocated | 1992-01-13 | 8c578de37278… |
| 199.124.0.0 – 199.124.1.255 | 512 | US |
allocated | 1992-01-12 | 45fe880b68a8… |
| 199.124.2.0 – 199.124.2.255 | 256 | US |
allocated | 1992-01-12 | 45fe880b68a8… |
| 199.124.32.0 – 199.124.47.255 | 4,096 | US |
allocated | 1992-01-12 | 45fe880b68a8… |
| 199.124.48.0 – 199.124.55.255 | 2,048 | US |
allocated | 1992-01-12 | 45fe880b68a8… |
| 199.124.56.0 – 199.124.56.255 | 256 | US |
allocated | 1992-01-12 | 45fe880b68a8… |
| 152.11.0.0 – 152.11.255.255 | 65,536 | US |
allocated | 1992-01-10 | d2c36d40e621… |
| 152.17.0.0 – 152.17.255.255 | 65,536 | US |
allocated | 1992-01-10 | 3a388a6963f5… |
| 152.32.0.0 – 152.32.63.255 | 16,384 | US |
allocated | 1992-01-10 | c1956f8f8da9… |
| 152.33.0.0 – 152.33.255.255 | 65,536 | US |
allocated | 1992-01-10 | db84f0ab4a7e… |
| 152.35.0.0 – 152.35.255.255 | 65,536 | US |
allocated | 1992-01-10 | d6eee9c4be02… |
| 152.36.0.0 – 152.36.127.255 | 32,768 | US |
allocated | 1992-01-10 | 3652aa3d5c20… |
| 152.37.0.0 – 152.37.63.255 | 16,384 | US |
allocated | 1992-01-10 | 65c67574b07e… |
| 152.38.0.0 – 152.38.63.255 | 16,384 | US |
allocated | 1992-01-10 | cd9eac2a2cd4… |