Data as of Nov 5, 2026
129.220.4.0/24
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth · space held by Unisys Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 129.220.0.0/19 since Feb 2025 | AS6071 | Business | Unisys Corporation |
Network & registry
Origin network
AS17025
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Jul 14, 2000
- Domain
- zayo.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 129.
220. 0. 0 - 129. 220. 95. 255 - Netname
- UNISYS-B
- Registrant
- Unisys Corporation
- Organization
- Unisys Corporation (UNISYS-2)
- Org address
- 801 Lakeview Drive, Blue Bell, PA, 19422
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-220-0-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Apr 29, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
unisys. com - Name
- Unisys Hostmaster
- Phone
- +1-443-921-0355
- Handle
- UNISY-ARIN