Data as of Nov 3, 2026
72.37.0.0/17
No anonymizer space · no proxy exits in 30 daysUnion Pacific Railroad Company
Network & registry
Origin network
AS10405
US
- Name
- Union Pacific Railroad Company
- Type
- Business
- Registered
- Jul 25, 1997
- Domain
- up.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS10405 | RADB | Union Pacific Railroad | MAINT-AS10405 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.37.0.0/17
- Netname
- UPRR-IPV4-03
- Registrant
- Union Pacific Railroad Company
- Organization
- Union Pacific Railroad Company (UPR-2)
- Org address
- 1400 DOUGLAS ST, OMAHA, NE, 68179
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-37-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Mar 25, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 25, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Union Pacific Abuse
- Phone
- +1-402-544-4193
- Handle
- UPA4-ARIN