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
1.64B
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.56.76.0 – 192.56.79.255 | 1,024 |  US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.80.0 – 192.56.95.255 | 4,096 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.96.0 – 192.56.127.255 | 8,192 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.128.0 – 192.56.255.255 | 32,768 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 22.0.0.0 – 22.255.255.255 | 16,777,216 | US |
allocated | 1989-06-26 | 45fe880b68a8… |
| 192.54.246.0 – 192.54.246.255 | 256 | US |
allocated | 1989-06-26 | 1c9f8d4a04fb… |
| 192.55.22.0 – 192.55.23.255 | 512 | US |
allocated | 1989-06-26 | a8f25e5b8214… |
| 192.55.24.0 – 192.55.31.255 | 2,048 | US |
allocated | 1989-06-26 | a8f25e5b8214… |
| 192.55.32.0 – 192.55.39.255 | 2,048 | US |
allocated | 1989-06-26 | b752e4a1339d… |
| 192.55.40.0 – 192.55.43.255 | 1,024 | US |
allocated | 1989-06-26 | b752e4a1339d… |
| 192.55.44.0 – 192.55.45.255 | 512 | US |
allocated | 1989-06-26 | b752e4a1339d… |
| 192.55.48.0 – 192.55.63.255 | 4,096 | US |
allocated | 1989-06-26 | 1e8f556759f4… |
| 192.55.64.0 – 192.55.67.255 | 1,024 | US |
allocated | 1989-06-26 | 1e8f556759f4… |
| 192.55.72.0 – 192.55.79.255 | 2,048 | US |
allocated | 1989-06-26 | 1e8f556759f4… |
| 192.55.80.0 – 192.55.81.255 | 512 | US |
allocated | 1989-06-26 | 1e8f556759f4… |
| 192.55.1.0 – 192.55.1.255 | 256 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 192.55.2.0 – 192.55.3.255 | 512 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 192.55.4.0 – 192.55.7.255 | 1,024 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 192.55.8.0 – 192.55.15.255 | 2,048 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 192.55.16.0 – 192.55.19.255 | 1,024 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 192.55.20.0 – 192.55.21.255 | 512 | US |
allocated | 1989-06-23 | 1af6f5e38c00… |
| 129.33.0.0 – 129.33.127.255 | 32,768 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.128.0 – 129.33.135.255 | 2,048 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.136.0 – 129.33.137.255 | 512 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.138.0 – 129.33.139.255 | 512 | US |
allocated | 1989-06-22 | 24872777a723… |
| 129.33.140.0 – 129.33.143.255 | 1,024 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.144.0 – 129.33.159.255 | 4,096 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.160.0 – 129.33.191.255 | 8,192 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.192.0 – 129.33.223.255 | 8,192 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.224.0 – 129.33.231.255 | 2,048 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.232.0 – 129.33.235.255 | 1,024 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.236.0 – 129.33.237.255 | 512 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.238.0 – 129.33.238.255 | 256 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.239.0 – 129.33.239.255 | 256 | US |
allocated | 1989-06-22 | 24872777a723… |
| 129.33.240.0 – 129.33.240.255 | 256 | US |
allocated | 1989-06-22 | 24872777a723… |
| 129.33.241.0 – 129.33.241.255 | 256 | US |
allocated | 1989-06-22 | 01ded2cfbf92… |
| 129.33.242.0 – 129.33.242.255 | 256 | US |
allocated | 1989-06-22 | 01ded2cfbf92… |
| 129.33.243.0 – 129.33.243.255 | 256 | US |
allocated | 1989-06-22 | 24872777a723… |
| 129.33.244.0 – 129.33.247.255 | 1,024 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 129.33.248.0 – 129.33.255.255 | 2,048 | US |
allocated | 1989-06-22 | 31caea8da158… |
| 134.161.0.0 – 134.161.255.255 | 65,536 | US |
allocated | 1989-06-22 | 655173fb065a… |
| 134.162.0.0 – 134.163.255.255 | 131,072 | US |
allocated | 1989-06-22 | 7013a13d0ca7… |
| 134.164.0.0 – 134.164.255.255 | 65,536 | US |
allocated | 1989-06-22 | 45fe880b68a8… |
| 192.54.240.0 – 192.54.240.255 | 256 | US |
allocated | 1989-06-21 | 45fe880b68a8… |
| 192.54.230.0 – 192.54.231.255 | 512 | US |
allocated | 1989-06-20 | d92c30d00763… |
| 192.54.232.0 – 192.54.235.255 | 1,024 | US |
allocated | 1989-06-20 | d92c30d00763… |
| 192.54.236.0 – 192.54.237.255 | 512 | US |
allocated | 1989-06-20 | d92c30d00763… |
| 192.54.238.0 – 192.54.238.255 | 256 | US |
allocated | 1989-06-20 | 290a2d702707… |
| 192.54.239.0 – 192.54.239.255 | 256 | US |
allocated | 1989-06-20 | aca11f8338b2… |
| 134.152.0.0 – 134.152.255.255 | 65,536 | US |
allocated | 1989-06-19 | 45fe880b68a8… |
| 134.153.0.0 – 134.153.255.255 | 65,536 |  CA |
allocated | 1989-06-19 | aab02bbecdfb… |
| 134.154.0.0 – 134.154.255.255 | 65,536 | US |
allocated | 1989-06-19 | 4b4a12adb4e9… |
| 134.156.0.0 – 134.156.255.255 | 65,536 | US |
allocated | 1989-06-19 | 400752429015… |
| 192.54.228.0 – 192.54.228.255 | 256 | US |
allocated | 1989-06-19 | 6513d0a4d380… |
| 192.54.226.0 – 192.54.226.255 | 256 | US |
allocated | 1989-06-15 | ab226dc561ca… |
| 132.204.0.0 – 132.204.255.255 | 65,536 | CA |
allocated | 1989-06-14 | 548c608d0ded… |
| 132.205.0.0 – 132.205.255.255 | 65,536 | CA |
allocated | 1989-06-14 | a6387aa20d1c… |
| 132.206.0.0 – 132.206.255.255 | 65,536 | CA |
allocated | 1989-06-14 | 66111f81a5ab… |
| 192.54.222.0 – 192.54.222.255 | 256 | US |
allocated | 1989-06-14 | d98c567cda2d… |
| 192.54.223.0 – 192.54.223.255 | 256 | US |
allocated | 1989-06-14 | 2c8438ff5e93… |
| 192.54.224.0 – 192.54.224.255 | 256 | US |
allocated | 1989-06-14 | e553a0a4bf12… |
| 134.141.0.0 – 134.141.255.255 | 65,536 | US |
allocated | 1989-06-12 | 6c43c05abe02… |
| 192.54.138.0 – 192.54.138.255 | 256 | US |
allocated | 1989-06-12 | 6154750e26cb… |
| 134.139.0.0 – 134.139.255.255 | 65,536 | US |
allocated | 1989-06-09 | c68eabdfe088… |
| 134.132.0.0 – 134.132.255.255 | 65,536 | US |
allocated | 1989-06-08 | d390dac0cd58… |
| 134.133.0.0 – 134.133.255.255 | 65,536 | US |
allocated | 1989-06-08 | a5233c3f9c47… |
| 134.135.0.0 – 134.135.255.255 | 65,536 | US |
allocated | 1989-06-08 | 45fe880b68a8… |
| 134.136.0.0 – 134.136.255.255 | 65,536 | US |
allocated | 1989-06-08 | 45fe880b68a8… |
| 134.137.0.0 – 134.137.255.255 | 65,536 | US |
allocated | 1989-06-08 | 45fe880b68a8… |
| 192.54.131.0 – 192.54.131.255 | 256 | US |
allocated | 1989-06-08 | 0a4384c0caee… |
| 192.54.133.0 – 192.54.133.255 | 256 | US |
allocated | 1989-06-08 | 45fe880b68a8… |
| 192.54.134.0 – 192.54.134.255 | 256 | US |
allocated | 1989-06-08 | 69859befb596… |
| 134.129.0.0 – 134.129.255.255 | 65,536 | US |
allocated | 1989-06-07 | 67c085615dd0… |
| 134.131.0.0 – 134.131.255.255 | 65,536 | US |
allocated | 1989-06-07 | 45fe880b68a8… |
| 192.54.129.0 – 192.54.129.255 | 256 | US |
allocated | 1989-06-07 | 45fe880b68a8… |
| 129.36.0.0 – 129.36.255.255 | 65,536 | US |
allocated | 1989-06-06 | 81e05477cc28… |
| 129.37.0.0 – 129.37.255.255 | 65,536 | US |
allocated | 1989-06-06 | 81e05477cc28… |
| 129.39.0.0 – 129.39.255.255 | 65,536 | US |
allocated | 1989-06-06 | 31caea8da158… |
| 129.40.0.0 – 129.40.255.255 | 65,536 | US |
allocated | 1989-06-06 | 07bf281d9226… |
| 192.54.124.0 – 192.54.124.255 | 256 | US |
allocated | 1989-06-06 | 05f7a8f8ea11… |
| 192.54.114.0 – 192.54.114.255 | 256 | US |
allocated | 1989-06-05 | dcbf9175be62… |
| 192.54.121.0 – 192.54.121.255 | 256 | CA |
allocated | 1989-06-05 | 6b2ea2e147c5… |
| 134.124.0.0 – 134.124.255.255 | 65,536 | US |
allocated | 1989-06-02 | 347a302d7424… |
| 134.125.0.0 – 134.125.255.255 | 65,536 | US |
allocated | 1989-06-02 | a1082db1c6d6… |
| 134.126.0.0 – 134.126.255.255 | 65,536 | US |
allocated | 1989-06-02 | c68ccb7bc5df… |
| 192.54.111.0 – 192.54.111.255 | 256 | US |
allocated | 1989-06-02 | 2d90cbf4f78e… |
| 192.54.107.0 – 192.54.107.255 | 256 | US |
allocated | 1989-06-01 | 45387a87b6ea… |
| 192.54.108.0 – 192.54.108.255 | 256 | US |
allocated | 1989-06-01 | 27b6ef89fb1e… |
| 192.54.109.0 – 192.54.109.255 | 256 | US |
allocated | 1989-06-01 | acd87a5bca66… |
| 192.54.110.0 – 192.54.110.255 | 256 | US |
allocated | 1989-06-01 | a33be4fe8afa… |
| 132.202.0.0 – 132.202.255.255 | 65,536 | CA |
allocated | 1989-05-31 | 44bca3813bb1… |
| 134.123.0.0 – 134.123.255.255 | 65,536 | US |
allocated | 1989-05-31 | 6de136a96c31… |
| 192.54.82.0 – 192.54.82.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.83.0 – 192.54.83.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.84.0 – 192.54.84.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.85.0 – 192.54.85.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.86.0 – 192.54.86.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.87.0 – 192.54.87.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.88.0 – 192.54.88.255 | 256 | US |
allocated | 1989-05-31 | a8f25e5b8214… |
| 192.54.89.0 – 192.54.89.255 | 256 | US |
allocated | 1989-05-31 | b04d772342bc… |