Data as of Nov 7, 2026
208.13.56.0/21
Anonymizer · ISP proxyGrande Communications Networks, LLC · space held by Cogent Communications, LLC
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 208.13.56.0/21 | /24s |
|---|---|---|
| Rackdog | 2,048100% | 8 |
Leased from
Owners leasing their own space
| Name | In 208.13.56.0/21 | /24s |
|---|---|---|
| Cogent Communications, LLC | 2,048100% | 8 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 208.0.0.0/11 | AS174 | Internet provider | 61,4402.9%ISP proxy | 609 180 always on | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 208. | 2,359,296 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Mar 13, 1996 | abuse@ |
| └ 208.13.0.0/18 | 16,384 | RACKDOG-CGNT-NET-62 | RCN (C11605269) · US | Reassigned | May 27, 2026 | abuse@ via COGC |
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 208.13.48.0/20
- Prefix
- 208.13.48.0/20
- Announced by
- AS7459 Grande Communications Networks, LLC
- Type
- ISP proxy
- Anonymizer addresses
- all
- Leased from
- IP broker Rackdog
- RPKI
- No RPKI
- Netname
- RACKDOG-CGNT-NET-62
- Registrant
- RCN
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 208.
0. 0. 0 - 208. 35. 255. 255 - Registration type
- Direct Allocation
- Record created
- Mar 13, 1996
- Legacy
- yes
Origin network
AS7459
US
- Name
- Grande Communications Networks, LLC
- Type
- Internet provider
- Registered
- Dec 17, 1996
- Domain
- mygrande.com
- Website
- www.mygrande.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
208.13.48.0/20
Routing history
- Pattern
- Stable
- First seen
- Nov 2025
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 1
IRR
Route objects on 208.13.48.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7459 | RADB | MAINT-AS398465 | Nov 8, 2025 |
Whois
Registration for this announcement
- Range
- 208.
13. 0. 0/ 18 - Netname
- RACKDOG-CGNT-NET-62
- Registrant
- RCN
- Organization
- RCN (C11605269)
- Type
- Reassigned
- Handle
- NET-208-13-0-0-1
- Parent
- NET-208-0-0-0-1
- Created
- May 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN