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
1,645,592,320
📦
IPv4 networks
76,752
delegated blocks
🧭
IPv6 networks
11,431
delegated blocks
🔗
Autonomous systems
34,103
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 208.80.112.0 – 208.80.115.255 | 1,024 |  US |
allocated | 2026-04-06 | 260a4fdf5162… |
| 23.139.61.0 – 23.139.61.255 | 256 | US |
allocated | 2026-04-03 | 6d545679dc63… |
| 23.155.180.0 – 23.155.180.255 | 256 | US |
allocated | 2026-04-03 | 55fe873657ed… |
| 23.155.236.0 – 23.155.236.255 | 256 | US |
allocated | 2026-04-03 | 8573b8e4a860… |
| 66.203.254.0 – 66.203.254.255 | 256 | US |
allocated | 2026-04-03 | 83770b96f055… |
| 153.57.0.0 – 153.57.63.255 | 16,384 | US |
allocated | 2026-04-03 | f4b67469439a… |
| 155.44.0.0 – 155.44.255.255 | 65,536 | US |
allocated | 2026-04-03 | 56ee0848404f… |
| 157.185.0.0 – 157.185.63.255 | 16,384 | US |
allocated | 2026-04-03 | fb60c1695dd7… |
| 167.104.120.0 – 167.104.123.255 | 1,024 | US |
allocated | 2026-04-03 | a37cafb8822b… |
| 207.207.194.0 – 207.207.194.255 | 256 | US |
allocated | 2026-04-03 | 69afb951f545… |
| 23.155.132.0 – 23.155.132.255 | 256 | US |
allocated | 2026-04-02 | 986301f9f081… |
| 23.155.148.0 – 23.155.148.255 | 256 | US |
allocated | 2026-04-02 | 69096b9b43d2… |
| 23.155.156.0 – 23.155.156.255 | 256 | US |
allocated | 2026-04-02 | 049ca90980e2… |
| 23.155.164.0 – 23.155.164.255 | 256 | US |
allocated | 2026-04-02 | d28f36d9d744… |
| 23.155.172.0 – 23.155.172.255 | 256 | US |
allocated | 2026-04-02 | c418702045f1… |
| 45.42.224.0 – 45.42.224.255 | 256 | US |
allocated | 2026-04-02 | b92d80365024… |
| 64.16.112.0 – 64.16.115.255 | 1,024 | US |
allocated | 2026-04-02 | 601e4ffe6060… |
| 64.16.116.0 – 64.16.119.255 | 1,024 |  CA |
allocated | 2026-04-02 | b5d460a31579… |
| 64.16.120.0 – 64.16.123.255 | 1,024 | US |
allocated | 2026-04-02 | da95b1ea0941… |
| 64.190.237.0 – 64.190.237.255 | 256 | US |
allocated | 2026-04-02 | a409009f77b2… |
| 66.187.206.0 – 66.187.207.255 | 512 | US |
allocated | 2026-04-02 | 3b9229b4af15… |
| 66.248.251.0 – 66.248.251.255 | 256 | US |
allocated | 2026-04-02 | c5f2933a50a4… |
| 74.113.201.0 – 74.113.201.255 | 256 | US |
allocated | 2026-04-02 | 0f005a7a2a7f… |
| 74.120.252.0 – 74.120.255.255 | 1,024 | US |
allocated | 2026-04-02 | 3c4962eb0ed7… |
| 74.214.164.0 – 74.214.167.255 | 1,024 | US |
allocated | 2026-04-02 | 02464195aa23… |
| 74.214.168.0 – 74.214.171.255 | 1,024 | US |
allocated | 2026-04-02 | 5b48c861d9ec… |
| 74.214.172.0 – 74.214.175.255 | 1,024 | US |
allocated | 2026-04-02 | 934351eccd9c… |
| 135.84.32.0 – 135.84.33.255 | 512 | US |
allocated | 2026-04-02 | f874f0a019c6… |
| 153.75.64.0 – 153.75.79.255 | 4,096 | US |
allocated | 2026-04-02 | 94ed22ddc70a… |
| 155.103.0.0 – 155.103.3.255 | 1,024 | US |
allocated | 2026-04-02 | 5c811aaf62f2… |
| 155.103.4.0 – 155.103.7.255 | 1,024 | US |
allocated | 2026-04-02 | 2da762775bfb… |
| 155.103.12.0 – 155.103.15.255 | 1,024 | US |
allocated | 2026-04-02 | 144c148f88c4… |
| 155.103.16.0 – 155.103.19.255 | 1,024 | US |
allocated | 2026-04-02 | c28a97d29517… |
| 155.103.20.0 – 155.103.23.255 | 1,024 | US |
allocated | 2026-04-02 | afee7ea7522b… |
| 155.103.24.0 – 155.103.27.255 | 1,024 | US |
allocated | 2026-04-02 | 266dc69dc659… |
| 155.103.28.0 – 155.103.31.255 | 1,024 | US |
allocated | 2026-04-02 | 13e02f4299a5… |
| 155.103.32.0 – 155.103.35.255 | 1,024 | US |
allocated | 2026-04-02 | 3ccff84f0b46… |
| 155.103.36.0 – 155.103.39.255 | 1,024 | CA |
allocated | 2026-04-02 | 26b2e415d1d1… |
| 155.103.40.0 – 155.103.43.255 | 1,024 | US |
allocated | 2026-04-02 | 9d959a1634d4… |
| 155.103.44.0 – 155.103.45.255 | 512 | US |
allocated | 2026-04-02 | 2470c1b18581… |
| 155.103.46.0 – 155.103.46.255 | 256 | US |
allocated | 2026-04-02 | 0936784a8c01… |
| 155.103.47.0 – 155.103.47.255 | 256 | US |
allocated | 2026-04-02 | ff3b64355b12… |
| 155.103.48.0 – 155.103.51.255 | 1,024 | US |
allocated | 2026-04-02 | feb12484a6a0… |
| 155.103.56.0 – 155.103.59.255 | 1,024 | US |
allocated | 2026-04-02 | 476322e7901a… |
| 155.103.60.0 – 155.103.61.255 | 512 | US |
allocated | 2026-04-02 | dc055da489a6… |
| 155.103.62.0 – 155.103.63.255 | 512 | US |
allocated | 2026-04-02 | b6dfa6fdce9e… |
| 155.103.79.0 – 155.103.79.255 | 256 | US |
allocated | 2026-04-02 | e7aff666db72… |
| 155.103.240.0 – 155.103.243.255 | 1,024 | US |
allocated | 2026-04-02 | f7eed6e822e1… |
| 165.140.57.0 – 165.140.57.255 | 256 | US |
allocated | 2026-04-02 | 0fbbd641f1f7… |
| 167.104.50.0 – 167.104.51.255 | 512 | US |
allocated | 2026-04-02 | 1696ecafd897… |
| 167.104.208.0 – 167.104.215.255 | 2,048 | CA |
allocated | 2026-04-02 | c86ee0d9d7ed… |
| 192.5.71.0 – 192.5.71.255 | 256 | US |
allocated | 2026-04-02 | 2be6b2c9271e… |
| 192.54.81.0 – 192.54.81.255 | 256 | US |
allocated | 2026-04-02 | 90a5d38b476d… |
| 192.88.50.0 – 192.88.50.255 | 256 | US |
allocated | 2026-04-02 | b01284e1c2d0… |
| 192.132.28.0 – 192.132.28.255 | 256 | US |
allocated | 2026-04-02 | 4a5c7abd5011… |
| 192.133.49.0 – 192.133.49.255 | 256 | CA |
allocated | 2026-04-02 | 86f4fe2ee3f2… |
| 192.207.26.0 – 192.207.26.255 | 256 | US |
allocated | 2026-04-02 | 1b393cb65fab… |
| 192.225.212.0 – 192.225.215.255 | 1,024 | US |
allocated | 2026-04-02 | bf54755317c2… |
| 192.225.216.0 – 192.225.219.255 | 1,024 | US |
allocated | 2026-04-02 | 7df272654637… |
| 192.234.187.0 – 192.234.187.255 | 256 | US |
allocated | 2026-04-02 | 98e6b8462613… |
| 192.251.127.0 – 192.251.127.255 | 256 | US |
allocated | 2026-04-02 | 5257772e1fdf… |
| 198.73.221.0 – 198.73.221.255 | 256 | CA |
allocated | 2026-04-02 | e7e34ca7f9e3… |
| 199.231.124.0 – 199.231.127.255 | 1,024 | US |
allocated | 2026-04-02 | 5273311ad581… |
| 204.130.140.0 – 204.130.140.255 | 256 | US |
allocated | 2026-04-02 | 17c1a4ea9582… |
| 204.153.123.0 – 204.153.123.255 | 256 | CA |
allocated | 2026-04-02 | f6b52d82992d… |
| 204.154.109.0 – 204.154.109.255 | 256 | US |
allocated | 2026-04-02 | d178dbdd15b9… |
| 205.173.125.0 – 205.173.125.255 | 256 | US |
allocated | 2026-04-02 | 497f29652037… |
| 208.64.12.0 – 208.64.15.255 | 1,024 | US |
allocated | 2026-04-02 | e02b4c43a15f… |
| 208.73.156.0 – 208.73.159.255 | 1,024 | CA |
allocated | 2026-04-02 | 2507d713d6b6… |
| 208.103.183.0 – 208.103.183.255 | 256 | US |
allocated | 2026-04-02 | 7e7b80af2baf… |
| 216.230.16.0 – 216.230.16.255 | 256 | US |
allocated | 2026-04-02 | fd9853ac66fa… |
| 168.151.160.0 – 168.151.175.255 | 4,096 | US |
allocated | 2026-04-01 | 68f813cc543a… |
| 23.155.100.0 – 23.155.100.255 | 256 | US |
allocated | 2026-03-31 | c2e73a911298… |
| 23.155.108.0 – 23.155.108.255 | 256 | US |
allocated | 2026-03-31 | 319aa5f15805… |
| 23.155.140.0 – 23.155.140.255 | 256 | US |
allocated | 2026-03-31 | ef29b9e633f8… |
| 66.179.166.0 – 66.179.166.255 | 256 | US |
allocated | 2026-03-31 | a1db112db704… |
| 142.99.20.0 – 142.99.23.255 | 1,024 | US |
allocated | 2026-03-31 | 9ffb37989276… |
| 151.123.170.0 – 151.123.171.255 | 512 | US |
allocated | 2026-03-31 | d128a3e553da… |
| 199.115.250.0 – 199.115.251.255 | 512 | US |
allocated | 2026-03-31 | a1db112db704… |
| 23.155.84.0 – 23.155.84.255 | 256 | US |
allocated | 2026-03-30 | 8c7fda37db9d… |
| 63.141.33.0 – 63.141.33.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 63.141.57.0 – 63.141.57.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 69.30.85.0 – 69.30.85.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 179.64.0.0 – 179.64.255.255 | 65,536 | US |
allocated | 2026-03-30 | c1dfdf31702f… |
| 198.145.104.0 – 198.145.104.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 198.145.107.0 – 198.145.107.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 198.145.108.0 – 198.145.109.255 | 512 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 199.58.255.0 – 199.58.255.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 206.109.196.0 – 206.109.196.255 | 256 | US |
allocated | 2026-03-30 | c3109f84d514… |
| 23.155.92.0 – 23.155.92.255 | 256 |  MY |
allocated | 2026-03-27 | d5a5fac49791… |
| 140.232.90.0 – 140.232.90.255 | 256 | US |
allocated | 2026-03-27 | 41b22ad45461… |
| 168.151.145.0 – 168.151.145.255 | 256 | US |
allocated | 2026-03-27 | 370f612f8af4… |
| 192.64.25.0 – 192.64.25.255 | 256 | US |
allocated | 2026-03-27 | e4ba3a5395ae… |
| 216.248.240.0 – 216.248.255.255 | 4,096 | US |
allocated | 2026-03-27 | 4a590c404f19… |
| 23.155.68.0 – 23.155.68.255 | 256 | US |
allocated | 2026-03-26 | e8065bdae828… |
| 23.155.76.0 – 23.155.76.255 | 256 | US |
allocated | 2026-03-26 | 8295d58e1fab… |
| 74.209.180.0 – 74.209.181.255 | 512 | US |
allocated | 2026-03-26 | 07e6d624d153… |
| 153.75.32.0 – 153.75.47.255 | 4,096 | US |
allocated | 2026-03-26 | 7c3b98569bb3… |
| 216.177.156.0 – 216.177.156.255 | 256 | US |
allocated | 2026-03-26 | e366de053890… |
| 23.155.20.0 – 23.155.20.255 | 256 |  TH |
allocated | 2026-03-25 | bdd7643fda0b… |