Data as of Nov 7, 2026
137.155.40.0/21
Anonymizer · ISP proxyRCN · space held by Christopher Newport University
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 2026
from AS1411 Christopher Newport University, after 5.8 years unannounced
IPv4 market
Path
Announced by AS6079 since Sep 2026 · 7 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 137.155.40.0/21 | /24s |
|---|---|---|
| Rackdog | 2,048100% | 8 |
Leased from
Owners leasing their own space
| Name | In 137.155.40.0/21 | /24s |
|---|---|---|
| Christopher Newport University | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
137.155.40.0/21
From the registry to its use
- Dec 12, 1989Registry recordChristopher Newport UniversityDirect Allocation (legacy, pre-1997)137.155.0.0/16
- Aug 22, 2017– Dec 3, 2020
- Sep 3, 2026
- Sep 3, 2026Route objectAS7843 Charter Communications IncARIN route object for AS7843 Charter Communications Inc, maintainer MNT-CNU-1-Z
- Sep 3, 2026Route objectAS22773 Cox Communications Inc.ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-CNU-1-Z
- Sep 16, 2026– today
- todayLeased fromRackdogIP broker
Network & registry
Origin network
AS6079
US
- Name
- RCN
- Type
- Internet provider
- Registered
- Apr 4, 2001
- Domain
- astound.com
- Website
- www.astound.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Aug 2017
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.155.40.0/21 | AS6079 | /24 | ARIN | RPKI valid |
| 137.155.40.0/21 | AS7843 | /24 | ARIN | Another network |
| 137.155.40.0/21 | AS22773 | /24 | ARIN | Another network |
| 137.155.32.0/20 | AS20115 | /24 | ARIN | Another network |
| 137.155.32.0/19 | AS7018 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 137.
155. 0. 0/ 16 - Netname
- CNU
- Registrant
- Christopher Newport University
- Organization
- Christopher Newport University (CNU-1-Z)
- Org address
- 1 Avenue of the Arts, Newport News, VA, 23606
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-155-0-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Dec 12, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 12, 1989
- Status
- assigned
Report abuse
Abuse contact
- eric.
allen@ cnu. edu - Name
- Eric Anthony Allen
- Phone
- +1-757-594-7445
- Handle
- EAA20-ARIN