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Data as of Nov 8, 2026

137.155.56.0/21

Anonymizer · ISP proxy158 residential-proxy exits · 30 days

Cox Communications Inc. · space held by Christopher Newport University

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Nov 8, 2026
from AS6079 RCN

Residential-proxy exits

Proxy exits
158
7.7% of its addresses · 30 days
Always-on exits
11
7.0% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
43
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

287K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
137.155.62.0/2446
137.155.60.0/24315
137.155.58.0/24240
137.155.56.0/24238
137.155.57.0/24026
137.155.59.0/24023
137.155.61.0/2407
137.155.63.0/2403

Proxy providers listing exits

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  • ZENPROXY_PREMIUM
IPv4 market

Path

Announced by AS22773 since Nov 8, 2026 · this week
1 · Holder
Christopher Newport University
record created Dec 12, 1989
2 · Leased from
Rackdog
for its owner Christopher Newport University
3 · Announced by
AS22773 Cox Communications Inc.
since Nov 8, 2026 · this week
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 137.155.56.0/21/24s
Rackdog
2,048100%
8
Leased from

Owners leasing their own space

NameIn 137.155.56.0/21/24s
Christopher Newport University
2,048100%
8

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

137.155.56.0/21

From the registry to its use

  1. Dec 12, 1989
    Registry record
    Christopher Newport University
    Direct Allocation (legacy, pre-1997)
    137.155.0.0/16
  2. Sep 3, 2026
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-CNU-1-Z
  3. Sep 3, 2026
    Route object
    AS7843 Charter Communications Inc
    ARIN route object for AS7843 Charter Communications Inc, maintainer MNT-CNU-1-Z
  4. Sep 3, 2026
    Route object
    AS22773 Cox Communications Inc.
    ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-CNU-1-Z
  5. Sep 16, 2026– Nov 2, 2026
    Announced
    AS6079 RCN
    Internet provider
  6. Nov 8, 2026– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  7. today
    Leased from
    Rackdog
    IP broker

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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