Data as of Nov 10, 2026
149.51.149.0/24
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
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 149.51.128.0/18 since Dec 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | ||
| 149.50.0.0/15 since Sep 2006 | AS174 | Internet provider | IP broker Rackdog (part) | 3,307 946 always on |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 149.51.0.0/16 | 65,536 | COGENT-149-51-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | abuse@ |
| └ 149.51.128.0/18 | 16,384 | RACKDOG-CGNT-NET-11 | RCN (C11605109) · US | Reassigned | May 27, 2026 | abuse@ via COGENT-149-51-16 |
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
Announced by
Covering announcement 149.51.148.0/23
- Prefix
- 149.51.148.0/23
- Announced by
- AS398465 Rackdog, LLC
- Type
- Hosting
- Leased from
- IP broker Rackdog
- RPKI
- No RPKI
- Netname
- RACKDOG-CGNT-NET-11
- Registrant
- RCN
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 149.
51. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 28, 1992
- 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
149.51.148.0/23
Routing history
- Pattern
- Stable
- First seen
- Jul 2023
- Current origin since
- Jul 2023 · 3.3 yr
- Origin networks
- 1
IRR
Route objects on 149.51.148.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS398465 | RADB | V4-PUB-CB-ANNOUNCED | MAINT-AS22773 | Jul 29, 2026 |
Whois
Registration for this announcement
- Range
- 149.
51. 128. 0/ 18 - Netname
- RACKDOG-CGNT-NET-11
- Registrant
- RCN
- Organization
- RCN (C11605109)
- Type
- Reassigned
- Handle
- NET-149-51-128-0-1
- Parent
- NET-149-51-0-0-1
- Created
- May 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN