Data as of Nov 3, 2026
74.126.16.0/24
No anonymizer space · no proxy exits in 30 daysUrban Science Applications, Inc. · space held by 123.Net, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 74.126.0.0/19 since May 2008 | AS12129 | Internet provider | 14 2 always on | 123.Net, Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 74.126.0.0/19 | 8,192 | 123NET-BLK-I123-5 | 123.Net, Inc. (NETIN-6) · US | Direct Allocation | Mar 21, 2007 | [email protected] |
| └ 74.126.16.0/24 | 256 | I123-74126160-2012312 | Urban Science (US-18) · US | Reassigned | Mar 12, 2012 | — |
Network & registry
Registry
Holder
- Organization
- 123.Net, Inc.
- Handle
- NETIN-6
- Range
- 74.126.0.0/19
- Registration type
- Direct Allocation
- Record created
- Mar 21, 2007
Origin network
AS54178
US
- Name
- Urban Science Applications, Inc.
- Type
- Business
- Registered
- Oct 28, 2011
- Domain
- urbanscience.com
- Industry
- Automotive and Transportation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2012
- Current origin since
- Sep 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.126.16.0/24 | AS54178 | /24 | ARIN | RPKI valid |
| 74.126.0.0/19 | AS12129 | /19 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS54178 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 74.126.16.0/24
- Netname
- I123-74126160-2012312
- Registrant
- Urban Science
- Organization
- Urban Science (US-18)
- Org address
- 100 Renaissance, Detroit, MI, 48243
- Org country
- US
- Type
- Reassigned
- Handle
- NET-74-126-16-0-1
- Parent
- NET-74-126-0-0-1
- Created
- Mar 12, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 21, 2007
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Administrator
- Phone
- +1-248-724-8899
- Handle
- ADMIN3031-ARIN