Data as of Nov 9, 2026
137.155.120.0/21
Anonymizer · ISP proxy1 residential-proxy exit · 30 daysCox Communications Inc. · 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 Oct 22, 2026
from AS6079 RCN
Residential-proxy exits
Proxy exits
1
0.05% of its addresses · 30 days
Always-on exits
1
100% of its exits
Spread
1 of 8
/24s with at least one exit
Providers
11
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
779 observations
Proxy providers listing exits
- Ake.net
- Bright Data
- CoreProxy
- IPRoyal
- KocerRoxy
- LemonBright
- Proxiware
- ProxyWing
- Proxying
- ThunderProxy
- TrustProxy
IPv4 market
Path
Announced by AS22773 since Oct 22, 2026 · 3 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 137.155.120.0/21 | /24s |
|---|---|---|
| Christopher Newport University | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
137.155.120.0/21
From the registry to its use
- Dec 12, 1989Registry recordChristopher Newport UniversityDirect Allocation (legacy, pre-1997)137.155.0.0/16
- Jul 23, 2026Route objectAS20115 Charter Communications LLCARIN route object for AS20115 Charter Communications LLC, maintainer MNT-CNU-1-Z
- Aug 23, 2026– Nov 2, 2026
- Aug 25, 2026
- Aug 25, 2026Route objectAS7843 Charter Communications IncARIN route object for AS7843 Charter Communications Inc, maintainer MNT-CNU-1-Z
- Aug 25, 2026Route objectAS22773 Cox Communications Inc.ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-CNU-1-Z
- Oct 22, 2026– today
Network & registry
Origin network
AS22773
US
- Name
- Cox Communications Inc.
- Type
- Internet provider
- Registered
- Nov 20, 2001
- Domain
- cox.com
- Website
- www.cox.com/peering
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Aug 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 22, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6079 not the origin | ARIN | Christopher Newport University | MNT-CNU-1-Z | Aug 25, 2026 |
| AS7843 not the origin | ARIN | Christopher Newport University | MNT-CNU-1-Z | Aug 25, 2026 |
| AS20115 not the origin | ARIN | Christopher Newport University | MNT-CNU-1-Z | Jul 29, 2026 |
| AS22773 | ARIN | Christopher Newport University | MNT-CNU-1-Z | Aug 25, 2026 |
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