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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 170.191.0.0 – 170.191.255.255 | 65,536 |  US |
allocated | 1994-09-20 | 8fcabc3da36d… |
| 199.123.64.0 – 199.123.67.255 | 1,024 | US |
allocated | 1994-09-20 | 45fe880b68a8… |
| 199.123.68.0 – 199.123.69.255 | 512 | US |
allocated | 1994-09-20 | 45fe880b68a8… |
| 199.248.182.0 – 199.248.182.255 | 256 | US |
allocated | 1994-09-20 | 9ce7e13a10d9… |
| 199.248.184.0 – 199.248.184.255 | 256 | US |
allocated | 1994-09-20 | 1dd191c9caa1… |
| 199.248.185.0 – 199.248.185.255 | 256 | US |
allocated | 1994-09-20 | 8fcabc3da36d… |
| 204.124.0.0 – 204.124.3.255 | 1,024 | US |
allocated | 1994-09-20 | 5fdc00edee24… |
| 199.212.44.0 – 199.212.44.255 | 256 |  CA |
allocated | 1994-09-19 | 77f37316b310… |
| 199.248.179.0 – 199.248.179.255 | 256 | US |
allocated | 1994-09-19 | a5e8e67aa58a… |
| 199.248.180.0 – 199.248.180.255 | 256 | US |
allocated | 1994-09-19 | d31147b3a110… |
| 199.248.181.0 – 199.248.181.255 | 256 | US |
allocated | 1994-09-19 | 25ee97769c24… |
| 204.88.64.0 – 204.88.95.255 | 8,192 | US |
allocated | 1994-09-19 | d7d3424046c3… |
| 204.88.96.0 – 204.88.127.255 | 8,192 | US |
allocated | 1994-09-19 | d7447fb4bf5a… |
| 204.110.64.0 – 204.110.79.255 | 4,096 | US |
allocated | 1994-09-19 | 60c7d2ae6903… |
| 204.115.8.0 – 204.115.11.255 | 1,024 | US |
allocated | 1994-09-19 | 81fa2a039e25… |
| 204.115.12.0 – 204.115.13.255 | 512 | US |
allocated | 1994-09-19 | 81fa2a039e25… |
| 204.126.0.0 – 204.126.1.255 | 512 | US |
allocated | 1994-09-19 | fb9e0b83129d… |
| 204.89.195.0 – 204.89.195.255 | 256 | US |
allocated | 1994-09-17 | a8215da54537… |
| 204.89.197.0 – 204.89.197.255 | 256 | US |
allocated | 1994-09-17 | 0914c04f9100… |
| 204.89.198.0 – 204.89.198.255 | 256 | US |
allocated | 1994-09-17 | 3129251878ac… |
| 204.89.199.0 – 204.89.199.255 | 256 | US |
allocated | 1994-09-17 | c043056a0a32… |
| 204.89.200.0 – 204.89.200.255 | 256 | US |
allocated | 1994-09-17 | fbcbd36ffbc4… |
| 204.89.201.0 – 204.89.201.255 | 256 | US |
allocated | 1994-09-17 | 8a0d8a787100… |
| 204.89.202.0 – 204.89.202.255 | 256 | US |
allocated | 1994-09-17 | 45b66b27e3fd… |
| 204.89.204.0 – 204.89.204.255 | 256 | US |
allocated | 1994-09-17 | 9c88e3b6696c… |
| 204.89.205.0 – 204.89.205.255 | 256 | US |
allocated | 1994-09-17 | c65650d1e79a… |
| 204.89.207.0 – 204.89.207.255 | 256 | US |
allocated | 1994-09-17 | 1e0a7d7a84d7… |
| 204.89.208.0 – 204.89.208.255 | 256 | US |
allocated | 1994-09-17 | 2beeb006f03d… |
| 204.89.209.0 – 204.89.209.255 | 256 | US |
allocated | 1994-09-17 | d8177c15a634… |
| 204.89.210.0 – 204.89.210.255 | 256 | US |
allocated | 1994-09-17 | 328e418522bb… |
| 204.89.211.0 – 204.89.211.255 | 256 | US |
allocated | 1994-09-17 | e2222da90f20… |
| 204.89.212.0 – 204.89.212.255 | 256 | US |
allocated | 1994-09-17 | 787ae773d95f… |
| 204.89.213.0 – 204.89.213.255 | 256 | US |
allocated | 1994-09-17 | f19b5d7a3d23… |
| 204.152.2.0 – 204.152.3.255 | 512 | US |
allocated | 1994-09-17 | 2c539c9cc517… |
| 204.152.4.0 – 204.152.5.255 | 512 | US |
allocated | 1994-09-17 | 0418d3fd070a… |
| 204.153.4.0 – 204.153.5.255 | 512 | US |
allocated | 1994-09-17 | 62f7e7f44632… |
| 204.153.6.0 – 204.153.6.255 | 256 | US |
allocated | 1994-09-17 | 62f7e7f44632… |
| 204.155.0.0 – 204.155.15.255 | 4,096 | US |
allocated | 1994-09-17 | 700e09dd193d… |
| 170.189.0.0 – 170.189.255.255 | 65,536 | US |
allocated | 1994-09-16 | db8932c62dfa… |
| 170.190.0.0 – 170.190.255.255 | 65,536 | US |
allocated | 1994-09-16 | 25bf42994797… |
| 199.248.164.0 – 199.248.167.255 | 1,024 | US |
allocated | 1994-09-16 | db8932c62dfa… |
| 199.248.168.0 – 199.248.168.255 | 256 | US |
allocated | 1994-09-16 | db8932c62dfa… |
| 199.248.169.0 – 199.248.169.255 | 256 | US |
allocated | 1994-09-16 | 46fde3b80d69… |
| 199.248.170.0 – 199.248.170.255 | 256 | US |
allocated | 1994-09-16 | 9fb6833c8c76… |
| 199.248.171.0 – 199.248.171.255 | 256 | US |
allocated | 1994-09-16 | c8f3675f73f0… |
| 199.248.172.0 – 199.248.172.255 | 256 | US |
allocated | 1994-09-16 | 45b86db71811… |
| 199.248.173.0 – 199.248.173.255 | 256 | US |
allocated | 1994-09-16 | d1ca81e28e77… |
| 199.248.174.0 – 199.248.175.255 | 512 | US |
allocated | 1994-09-16 | d1ca81e28e77… |
| 199.248.176.0 – 199.248.177.255 | 512 | US |
allocated | 1994-09-16 | d1ca81e28e77… |
| 199.248.178.0 – 199.248.178.255 | 256 | US |
allocated | 1994-09-16 | d1ca81e28e77… |
| 199.253.64.0 – 199.253.95.255 | 8,192 | US |
allocated | 1994-09-16 | 225bf12fc6bd… |
| 204.89.173.0 – 204.89.173.255 | 256 | US |
allocated | 1994-09-16 | 1cc734c9c4d3… |
| 204.89.174.0 – 204.89.175.255 | 512 | US |
allocated | 1994-09-16 | dd2c4134157e… |
| 204.89.176.0 – 204.89.179.255 | 1,024 | US |
allocated | 1994-09-16 | dd2c4134157e… |
| 204.89.180.0 – 204.89.180.255 | 256 | US |
allocated | 1994-09-16 | c07d8a72a993… |
| 204.89.182.0 – 204.89.182.255 | 256 | US |
allocated | 1994-09-16 | 2d1d6fc0605b… |
| 204.89.183.0 – 204.89.183.255 | 256 | US |
allocated | 1994-09-16 | 1c3167e87dbf… |
| 204.89.184.0 – 204.89.184.255 | 256 | US |
allocated | 1994-09-16 | c01f78a24429… |
| 204.89.185.0 – 204.89.185.255 | 256 | US |
allocated | 1994-09-16 | 397d04f760b4… |
| 204.89.186.0 – 204.89.186.255 | 256 | US |
allocated | 1994-09-16 | fba7de403882… |
| 204.89.187.0 – 204.89.187.255 | 256 | US |
allocated | 1994-09-16 | 4deecab5704e… |
| 204.89.188.0 – 204.89.188.255 | 256 | US |
allocated | 1994-09-16 | 258e47ad3245… |
| 204.89.190.0 – 204.89.190.255 | 256 | US |
allocated | 1994-09-16 | 1238036b8a1d… |
| 204.89.191.0 – 204.89.191.255 | 256 | US |
allocated | 1994-09-16 | fad19cf0c6a6… |
| 204.89.193.0 – 204.89.193.255 | 256 | US |
allocated | 1994-09-16 | 1e68d8bf8b17… |
| 204.89.194.0 – 204.89.194.255 | 256 | US |
allocated | 1994-09-16 | fda1d62d3602… |
| 204.138.245.0 – 204.138.245.255 | 256 | CA |
allocated | 1994-09-16 | 269e8c58ea9d… |
| 204.148.0.0 – 204.151.255.255 | 262,144 | US |
allocated | 1994-09-16 | e220ed812a4c… |
| 199.123.128.0 – 199.123.255.255 | 32,768 | US |
allocated | 1994-09-15 | 45fe880b68a8… |
| 199.248.156.0 – 199.248.156.255 | 256 | US |
allocated | 1994-09-15 | ddd942385e98… |
| 199.248.157.0 – 199.248.157.255 | 256 | US |
allocated | 1994-09-15 | 97b70ee9d33f… |
| 199.248.158.0 – 199.248.158.255 | 256 | US |
allocated | 1994-09-15 | 97b70ee9d33f… |
| 199.248.159.0 – 199.248.159.255 | 256 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.160.0 – 199.248.161.255 | 512 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.162.0 – 199.248.162.255 | 256 | US |
allocated | 1994-09-15 | b2d76cec2e0b… |
| 199.248.163.0 – 199.248.163.255 | 256 | US |
allocated | 1994-09-15 | b7ebdcaac2ff… |
| 204.89.156.0 – 204.89.157.255 | 512 | US |
allocated | 1994-09-15 | 6e5c9cac1b6c… |
| 204.89.162.0 – 204.89.162.255 | 256 | US |
allocated | 1994-09-15 | f30cf5f57ddd… |
| 204.89.163.0 – 204.89.163.255 | 256 | US |
allocated | 1994-09-15 | 8db8a7dbc63d… |
| 204.89.164.0 – 204.89.167.255 | 1,024 | US |
allocated | 1994-09-15 | 8db8a7dbc63d… |
| 204.89.168.0 – 204.89.168.255 | 256 | US |
allocated | 1994-09-15 | db5e8d165f23… |
| 204.89.169.0 – 204.89.169.255 | 256 | US |
allocated | 1994-09-15 | c3229d6cce85… |
| 204.89.170.0 – 204.89.170.255 | 256 | US |
allocated | 1994-09-15 | de41de287e94… |
| 204.89.171.0 – 204.89.171.255 | 256 | US |
allocated | 1994-09-15 | 94edddeaf55e… |
| 204.89.172.0 – 204.89.172.255 | 256 | US |
allocated | 1994-09-15 | 3144d37dc72a… |
| 204.106.128.0 – 204.106.191.255 | 16,384 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.106.192.0 – 204.106.223.255 | 8,192 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.106.224.0 – 204.106.227.255 | 1,024 | US |
allocated | 1994-09-15 | 20c786e8edd8… |
| 204.114.0.0 – 204.114.7.255 | 2,048 | US |
allocated | 1994-09-15 | 4d8fbb623390… |
| 204.114.8.0 – 204.114.8.255 | 256 | US |
allocated | 1994-09-15 | 4d8fbb623390… |
| 204.114.16.0 – 204.114.23.255 | 2,048 | US |
allocated | 1994-09-15 | f5ca35b512a9… |
| 204.145.1.0 – 204.145.1.255 | 256 | US |
allocated | 1994-09-15 | 26a5512381d4… |
| 204.145.16.0 – 204.145.31.255 | 4,096 | US |
allocated | 1994-09-15 | de734fe7fe66… |
| 204.147.32.0 – 204.147.63.255 | 8,192 | US |
allocated | 1994-09-15 | e220ed812a4c… |
| 199.248.138.0 – 199.248.138.255 | 256 | US |
allocated | 1994-09-14 | 8247b7ce209d… |
| 199.248.139.0 – 199.248.139.255 | 256 | US |
allocated | 1994-09-14 | e10a109c726f… |
| 199.248.140.0 – 199.248.140.255 | 256 | US |
allocated | 1994-09-14 | 517c70558555… |
| 199.248.141.0 – 199.248.141.255 | 256 | US |
allocated | 1994-09-14 | 4eb90353073d… |
| 199.248.142.0 – 199.248.143.255 | 512 | US |
allocated | 1994-09-14 | 4eb90353073d… |
| 199.248.146.0 – 199.248.146.255 | 256 | US |
allocated | 1994-09-14 | a55eb7bc83bd… |