Data as of Nov 5, 2026
208.4.112.0/20
Anonymizer · ISP proxy1&1 Versatel GmbH · 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 208.4.112.0/20 | /24s |
|---|---|---|
| Rackdog | 4,096100% | 16 |
Leased from
Owners leasing their own space
| Name | In 208.4.112.0/20 | /24s |
|---|---|---|
| Cogent Communications, LLC | 4,096100% | 16 |
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 | 605 177 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@ |
| └ 208.4.96.0/19 | 8,192 | RACKDOG-CGNT-NET-103 | RCN (C11605348) · 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 208.4.96.0/19
- Prefix
- 208.4.96.0/19
- Announced by
- AS8881 1&1 Versatel GmbH
- Type
- ISP proxy
- Anonymizer addresses
- all
- Leased from
- IP broker Rackdog
- RPKI
- No RPKI
- Netname
- RACKDOG-CGNT-NET-103
- 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
AS8881
DE
- Name
- 1&1 Versatel GmbH
- Type
- Internet provider
- Registered
- Jul 8, 1998
- Domain
- 1und1.net
- Website
- www.1und1.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 4
Routing timeline
Covering aggregate above, the prefix's own history below
208.4.96.0/19
Routing history
- Pattern
- Reactivated
- First seen
- Jul 2005
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 2
- Last change of origin
- Nov 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 208.4.96.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8881 | RADB | MAINT-AS398465 | Nov 12, 2025 |
Whois
Registration for this announcement
- Range
- 208.
4. 96. 0/ 19 - Netname
- RACKDOG-CGNT-NET-103
- Registrant
- RCN
- Organization
- RCN (C11605348)
- Type
- Reassigned
- Handle
- NET-208-4-96-0-1
- 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