Data as of Nov 15, 2026
38.237.0.0/16
No anonymizer space · no proxy exits in 30 daysRackdog, LLC · space held by Cogent Communications, LLC
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
38.237.0.0/16
From the registry to its use
- Apr 16, 1991Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)38.0.0.0/8
- Dec 2, 2025– today
- Dec 8, 2025Route objectRackdogRADB route object for AS398465 Rackdog, LLC, maintainer MAINT-AS398465
- May 27, 2026AssignedRCNReassigned38.237.0.0/16
- Sep 18, 2026– today
- todayLeased fromRackdogIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 399,898 75,255 always on | Cogent Communications, LLC |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 38.237.0.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.1.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.2.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.3.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.4.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.5.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.6.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.7.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.8.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.9.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.10.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.11.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.12.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.13.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.14.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.15.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.16.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.17.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.18.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.19.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.20.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.21.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.22.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.23.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.24.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.25.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.26.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.27.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.28.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.29.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.30.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.31.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.32.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.33.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.34.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.35.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.36.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.37.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.38.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.39.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.40.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.41.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.42.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.43.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.44.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.45.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.46.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.47.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.48.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.49.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.50.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.51.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.52.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.53.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.54.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.55.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.56.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.57.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.58.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.59.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.60.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.61.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.62.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.63.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.64.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.65.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.66.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.67.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.68.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.69.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.70.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.71.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.72.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.73.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.74.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.75.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.76.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.77.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.78.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.79.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.80.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.81.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.82.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.83.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.84.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.85.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.86.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.87.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.88.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.89.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.90.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.91.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.92.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.93.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.94.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.95.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.96.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.97.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.98.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.99.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.100.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.101.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.102.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.103.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.104.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.105.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.106.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.107.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.108.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.109.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.110.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.111.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.112.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.113.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.114.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.115.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.116.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.117.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.118.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.119.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.120.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.121.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.122.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.123.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.124.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.125.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.126.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.127.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.128.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.129.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.130.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.131.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.132.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.133.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.134.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.135.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.136.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.137.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.138.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.139.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.140.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.141.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.142.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.143.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.144.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.145.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.146.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.147.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.148.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.149.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.150.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.151.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.152.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.153.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.154.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.155.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.156.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.157.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.158.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.159.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.160.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.161.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.162.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.163.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.164.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.165.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.166.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.167.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.168.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.169.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.170.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.171.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.172.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.173.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.174.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.175.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.176.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.177.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.178.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.179.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.180.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.181.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.182.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.183.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.184.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.185.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.186.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.187.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.188.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.189.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.190.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.191.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.192.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.193.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.194.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.195.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.196.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.197.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.198.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.199.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.200.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.201.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.202.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.203.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.204.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.205.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.206.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.207.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.208.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.209.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.210.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.211.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.212.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.213.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.214.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.215.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.216.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.217.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.218.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.219.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.220.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.221.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.222.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.223.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.224.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.225.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.226.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.227.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.228.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.229.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.230.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.231.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.232.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.233.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.234.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.235.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.236.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.237.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.238.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.239.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.240.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.241.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.242.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.243.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.244.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.245.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.246.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.247.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.248.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.249.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.250.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.251.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.252.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.253.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.254.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC | |
| 38.237.255.0/24 since Dec 2025 | AS154395 | Unknown | IP broker Rackdog | Cogent Communications, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.237.0.0/16 | 65,536 | RACKDOG-CGNT-NET-116 | RCN (C11605362) · US | Reassigned | May 27, 2026 | abuse@ via COGENT-A |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
Origin network
AS398465
US
- Name
- Rackdog, LLC
- Type
- Hosting
- Registered
- Jun 15, 2020
- Domain
- rackdog.com
- Website
- rackdog.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS398465 | RADB | MAINT-AS398465 | Dec 8, 2025 |
Whois
Registration for this announcement
- Range
- 38.
237. 0. 0/ 16 - Netname
- RACKDOG-CGNT-NET-116
- Registrant
- RCN
- Organization
- RCN (C11605362)
- Type
- Reassigned
- Handle
- NET-38-237-0-0-1
- Parent
- NET-38-0-0-0-1
- Created
- May 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN