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
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 168.151.188.0 – 168.151.191.255 | 1,024 |  US |
allocated | 2025-10-13 | 611c1fe3abff… |
| 185.159.89.0 – 185.159.89.255 | 256 | US |
allocated | 2025-10-13 | 0219f974abe3… |
| 199.30.8.0 – 199.30.11.255 | 1,024 | US |
allocated | 2025-10-13 | 8f8fa0628ec3… |
| 23.147.52.0 – 23.147.52.255 | 256 | US |
allocated | 2025-10-10 | 736684d40c9d… |
| 23.147.60.0 – 23.147.60.255 | 256 | US |
allocated | 2025-10-10 | 3a64e4d279d6… |
| 66.203.248.0 – 66.203.248.255 | 256 | US |
allocated | 2025-10-10 | 0f88700604b2… |
| 74.115.124.0 – 74.115.127.255 | 1,024 | US |
allocated | 2025-10-10 | 4f4a31b48cd6… |
| 130.12.87.0 – 130.12.87.255 | 256 |  CA |
allocated | 2025-10-10 | 4ead81aff0fa… |
| 130.12.140.0 – 130.12.143.255 | 1,024 | US |
allocated | 2025-10-10 | db77eea789d6… |
| 130.12.191.0 – 130.12.191.255 | 256 | US |
allocated | 2025-10-10 | 936dfaea6a98… |
| 130.12.194.0 – 130.12.195.255 | 512 | US |
allocated | 2025-10-10 | ce8448b7bff5… |
| 131.143.42.0 – 131.143.42.255 | 256 | US |
allocated | 2025-10-10 | 867d4f74c01f… |
| 131.143.81.0 – 131.143.81.255 | 256 | US |
allocated | 2025-10-10 | c63586c74f89… |
| 131.143.83.0 – 131.143.83.255 | 256 | US |
allocated | 2025-10-10 | eb9f7e2eb292… |
| 131.143.110.0 – 131.143.110.255 | 256 | US |
allocated | 2025-10-10 | 71d47f05d6d7… |
| 142.248.0.0 – 142.248.3.255 | 1,024 | US |
allocated | 2025-10-10 | ac4c7f22e620… |
| 142.248.4.0 – 142.248.7.255 | 1,024 | US |
allocated | 2025-10-10 | 326ba356b65c… |
| 142.248.8.0 – 142.248.11.255 | 1,024 | US |
allocated | 2025-10-10 | d2bb7540e9a8… |
| 142.248.12.0 – 142.248.15.255 | 1,024 | CA |
allocated | 2025-10-10 | 44e2f7e04512… |
| 142.248.16.0 – 142.248.19.255 | 1,024 | US |
allocated | 2025-10-10 | 95e655767504… |
| 142.248.20.0 – 142.248.23.255 | 1,024 | CA |
allocated | 2025-10-10 | 78fa6097284a… |
| 142.248.24.0 – 142.248.27.255 | 1,024 | US |
allocated | 2025-10-10 | d5944f40c6d8… |
| 142.248.28.0 – 142.248.31.255 | 1,024 | CA |
allocated | 2025-10-10 | f2deff528ff5… |
| 142.248.32.0 – 142.248.35.255 | 1,024 | US |
allocated | 2025-10-10 | ec488a7e776f… |
| 142.248.38.0 – 142.248.38.255 | 256 | CA |
allocated | 2025-10-10 | 060a5ea85d52… |
| 142.248.40.0 – 142.248.43.255 | 1,024 | US |
allocated | 2025-10-10 | 75c5c73186ae… |
| 142.248.46.0 – 142.248.46.255 | 256 | US |
allocated | 2025-10-10 | 7840ed137d4d… |
| 142.248.47.0 – 142.248.47.255 | 256 | US |
allocated | 2025-10-10 | 1bd229c35cec… |
| 142.248.48.0 – 142.248.51.255 | 1,024 | US |
allocated | 2025-10-10 | 52240bee5633… |
| 142.248.52.0 – 142.248.55.255 | 1,024 | US |
allocated | 2025-10-10 | 49eb56019288… |
| 142.248.56.0 – 142.248.59.255 | 1,024 | US |
allocated | 2025-10-10 | 8abacd5e9861… |
| 142.248.62.0 – 142.248.62.255 | 256 | US |
allocated | 2025-10-10 | 0c305bca4cd7… |
| 142.248.63.0 – 142.248.63.255 | 256 | US |
allocated | 2025-10-10 | 1e67775ca914… |
| 142.248.68.0 – 142.248.71.255 | 1,024 | US |
allocated | 2025-10-10 | 7b9b5a4b1f3c… |
| 142.248.72.0 – 142.248.75.255 | 1,024 | US |
allocated | 2025-10-10 | 0b6aa0b7c874… |
| 142.248.76.0 – 142.248.79.255 | 1,024 | US |
allocated | 2025-10-10 | e1c068dd337a… |
| 142.248.80.0 – 142.248.83.255 | 1,024 | US |
allocated | 2025-10-10 | e4bcfa0c6a49… |
| 142.248.90.0 – 142.248.91.255 | 512 | US |
allocated | 2025-10-10 | 7fafee899961… |
| 142.248.92.0 – 142.248.93.255 | 512 | US |
allocated | 2025-10-10 | 3f4ed4e2ddff… |
| 142.248.96.0 – 142.248.99.255 | 1,024 | US |
allocated | 2025-10-10 | f8374472e79e… |
| 142.248.100.0 – 142.248.103.255 | 1,024 | US |
allocated | 2025-10-10 | 0e2f90d9136d… |
| 142.248.104.0 – 142.248.107.255 | 1,024 | US |
allocated | 2025-10-10 | 28e5d1121241… |
| 142.248.110.0 – 142.248.110.255 | 256 | US |
allocated | 2025-10-10 | 334f1a578fb0… |
| 142.248.111.0 – 142.248.111.255 | 256 | US |
allocated | 2025-10-10 | 0fa7b820a596… |
| 142.248.116.0 – 142.248.119.255 | 1,024 | US |
allocated | 2025-10-10 | e3bd8508d8a3… |
| 142.248.120.0 – 142.248.123.255 | 1,024 | US |
allocated | 2025-10-10 | 47df5f87238e… |
| 142.248.124.0 – 142.248.125.255 | 512 | US |
allocated | 2025-10-10 | 0b2f77460266… |
| 142.248.126.0 – 142.248.126.255 | 256 | US |
allocated | 2025-10-10 | b14bcb2c944f… |
| 142.248.127.0 – 142.248.127.255 | 256 | US |
allocated | 2025-10-10 | c0c95ef6f3a4… |
| 142.248.128.0 – 142.248.131.255 | 1,024 | US |
allocated | 2025-10-10 | bc209d98efad… |
| 142.248.132.0 – 142.248.135.255 | 1,024 | US |
allocated | 2025-10-10 | f4ebfbc2cb97… |
| 142.248.136.0 – 142.248.139.255 | 1,024 | US |
allocated | 2025-10-10 | 7304efc7e379… |
| 142.248.148.0 – 142.248.151.255 | 1,024 | US |
allocated | 2025-10-10 | 186d00886227… |
| 142.248.152.0 – 142.248.153.255 | 512 | US |
allocated | 2025-10-10 | 8d7509b4c105… |
| 142.248.155.0 – 142.248.155.255 | 256 | US |
allocated | 2025-10-10 | f30c68c2823b… |
| 142.248.156.0 – 142.248.156.255 | 256 | CA |
allocated | 2025-10-10 | 084508c75228… |
| 142.248.157.0 – 142.248.157.255 | 256 | US |
allocated | 2025-10-10 | 1e0c2f47df2b… |
| 142.248.160.0 – 142.248.163.255 | 1,024 | US |
allocated | 2025-10-10 | a623f486562b… |
| 142.248.164.0 – 142.248.167.255 | 1,024 | US |
allocated | 2025-10-10 | f35e35ac08c3… |
| 142.248.172.0 – 142.248.175.255 | 1,024 | US |
allocated | 2025-10-10 | e1b1f174d154… |
| 142.248.176.0 – 142.248.179.255 | 1,024 |  PR |
allocated | 2025-10-10 | 75d7e7f23b54… |
| 142.248.180.0 – 142.248.183.255 | 1,024 | US |
allocated | 2025-10-10 | 2c1ccc013c2e… |
| 142.248.188.0 – 142.248.188.255 | 256 | US |
allocated | 2025-10-10 | 6d15f31dc0a1… |
| 142.248.189.0 – 142.248.189.255 | 256 | US |
allocated | 2025-10-10 | 09cb27174000… |
| 142.248.190.0 – 142.248.190.255 | 256 | US |
allocated | 2025-10-10 | eebb2a020f6f… |
| 142.248.192.0 – 142.248.195.255 | 1,024 | US |
allocated | 2025-10-10 | 49726eb3da72… |
| 142.248.196.0 – 142.248.199.255 | 1,024 | US |
allocated | 2025-10-10 | deac19135354… |
| 142.248.200.0 – 142.248.203.255 | 1,024 | US |
allocated | 2025-10-10 | ae0b81d1a7ea… |
| 142.248.204.0 – 142.248.205.255 | 512 | US |
allocated | 2025-10-10 | a2986a9eb4e2… |
| 142.248.206.0 – 142.248.206.255 | 256 | US |
allocated | 2025-10-10 | 6d0ff41a06cc… |
| 142.248.207.0 – 142.248.207.255 | 256 | US |
allocated | 2025-10-10 | 8efbc336efdc… |
| 142.248.208.0 – 142.248.211.255 | 1,024 | US |
allocated | 2025-10-10 | 55e96ce066bb… |
| 142.248.216.0 – 142.248.219.255 | 1,024 | CA |
allocated | 2025-10-10 | 64eb721048fc… |
| 142.248.220.0 – 142.248.220.255 | 256 | US |
allocated | 2025-10-10 | d62ea8bbf51c… |
| 142.248.221.0 – 142.248.221.255 | 256 | US |
allocated | 2025-10-10 | 175eb777e594… |
| 142.248.222.0 – 142.248.222.255 | 256 | US |
allocated | 2025-10-10 | 2fc9dfeebcd8… |
| 142.248.223.0 – 142.248.223.255 | 256 | US |
allocated | 2025-10-10 | 38fdbf14040f… |
| 142.248.224.0 – 142.248.227.255 | 1,024 | US |
allocated | 2025-10-10 | b0e5f8e1034a… |
| 142.248.228.0 – 142.248.231.255 | 1,024 | US |
allocated | 2025-10-10 | af306ed5cf31… |
| 142.248.232.0 – 142.248.235.255 | 1,024 | US |
allocated | 2025-10-10 | a9f3ad17c594… |
| 142.248.236.0 – 142.248.237.255 | 512 | US |
allocated | 2025-10-10 | 63a599972150… |
| 142.248.238.0 – 142.248.238.255 | 256 | US |
allocated | 2025-10-10 | e2abcb8b157d… |
| 142.248.239.0 – 142.248.239.255 | 256 | US |
allocated | 2025-10-10 | e1947dbb4aa5… |
| 142.248.240.0 – 142.248.243.255 | 1,024 | US |
allocated | 2025-10-10 | 01b8a7e48f2f… |
| 142.248.244.0 – 142.248.247.255 | 1,024 | US |
allocated | 2025-10-10 | a3c638bb56dd… |
| 142.248.248.0 – 142.248.249.255 | 512 |  BS |
allocated | 2025-10-10 | 3851bee7150d… |
| 142.248.250.0 – 142.248.250.255 | 256 | US |
allocated | 2025-10-10 | 19754f2dd64f… |
| 142.248.251.0 – 142.248.251.255 | 256 | US |
allocated | 2025-10-10 | 43be422d6478… |
| 142.248.252.0 – 142.248.252.255 | 256 | US |
allocated | 2025-10-10 | 3fb41342ca27… |
| 142.248.254.0 – 142.248.254.255 | 256 | US |
allocated | 2025-10-10 | 24e0d59e44a1… |
| 142.249.31.0 – 142.249.31.255 | 256 | US |
allocated | 2025-10-10 | e147263eb7d6… |
| 142.249.92.0 – 142.249.92.255 | 256 | US |
allocated | 2025-10-10 | 415bc7960fff… |
| 142.249.144.0 – 142.249.147.255 | 1,024 | US |
allocated | 2025-10-10 | 286d8c1bc6d5… |
| 142.249.196.0 – 142.249.199.255 | 1,024 | US |
allocated | 2025-10-10 | a5fe168393e8… |
| 142.249.222.0 – 142.249.222.255 | 256 | CA |
allocated | 2025-10-10 | 054ef346dcc4… |
| 199.16.236.0 – 199.16.239.255 | 1,024 | US |
allocated | 2025-10-10 | 915b755dbf3e… |
| 23.147.28.0 – 23.147.28.255 | 256 | US |
allocated | 2025-10-09 | e2403705a1c8… |
| 23.147.36.0 – 23.147.36.255 | 256 | US |
allocated | 2025-10-09 | e73a3f46c91d… |
| 23.147.44.0 – 23.147.44.255 | 256 | US |
allocated | 2025-10-09 | ddea5715d30c… |
| 130.12.72.0 – 130.12.75.255 | 1,024 | US |
allocated | 2025-10-09 | edc8eeca1990… |