Data as of Nov 6, 2026
208.103.58.0/25
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth
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 |
|---|---|---|---|---|---|---|
| 208.103.0.0/18 | 16,384 | IFN-NET-2 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Mar 23, 2006 | abuse@ |
| └ 208.103.58.0/25 | 128 | ALTIUS-BROADBAND | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 208.103.0.0/18
- Prefix
- 208.103.0.0/18
- Announced by
- AS32703 Zayo Bandwidth
- Type
- Residential
- Proxy exits
- 139
- Always-on exits
- 20
- RPKI
- RPKI valid
- Netname
- IFN-NET-2
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS32703
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Jul 2, 2004
- Domain
- zayo.com
- Website
- www.intelligentfiber.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 208.103.0.0/18
208.103.0.0/18
Routing history
- Pattern
- Stable
- First seen
- Apr 2006
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 208.103.0.0/18 | AS32703 | /18 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 208.
103. 0. 0/ 18 - Netname
- IFN-NET-2
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-103-0-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Mar 23, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 23, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN