Data as of Nov 8, 2026

198.11.37.0/24

Anonymizer · ISP proxy

RCN · space held by Msen, Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Nov 23, 1992
2 · Leased from
its owner, directly
3 · Announced by
AS6079 RCN
since Dec 2025 · 11 mo ago
4 · Use
Proxy providersnamed BartProxies
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 198.11.37.0/24/24s
BartProxies
256100%
1
Leased from

Owners leasing their own space

NameIn 198.11.37.0/24/24s
Msen, Inc.
256100%
1

Lineage

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

198.11.37.0/24

From the registry to its use

  1. Nov 23, 1992
    Registry record
    Msen, Inc.
    Direct Allocation (legacy, pre-1997)
    198.11.32.0/19
  2. Nov 24, 1996
    Assigned
    Chi Laboratory Systems, Inc.
    Reassigned
    198.11.37.0/24
  3. May 9, 2005– today
    Announced
    AS2015 Msen, Inc.
    as part of 198.11.32.0/19
    198.11.32.0/19
  4. Dec 4, 2025
    Route object
    AS53958 Auproxies LLC
    ALTDB route object for AS53958 Auproxies LLC, maintainer MAINT-AS2015
  5. Dec 14, 2025– today
    Announced
    AS6079 RCN
    Internet provider
  6. Sep 4, 2026
    Route object
    AS6079 RCN
    ALTDB route object for AS6079 RCN, maintainer MAINT-AS2015
  7. Sep 4, 2026
    Route object
    AS7843 Charter Communications Inc
    ALTDB route object for AS7843 Charter Communications Inc, maintainer MAINT-AS2015
  8. Sep 4, 2026
    Route object
    AS22773 Cox Communications Inc.
    ALTDB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS2015
  9. today
    Used
    BartProxies
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
198.11.32.0/19
since May 2005
AS2015Residential139
58 always on
Msen, 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
198.11.32.0/198,192NETBLK-MSEN-U-POPMsen, Inc. (MSEN) · USDirect AllocationNov 23, 1992abuse@mail.msen.com
└ 198.11.37.0/24256MSEN-CUST-CHILAB-1Chi Laboratory Systems, Inc. (C00009431) · USReassignedNov 24, 1996abuse@mail.msen.com
via NETBLK-MSEN-U-POP

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

IPv4 market

Holder

Organization
Msen, Inc.
Handle
MSEN
Range
198.11.32.0/19
Registration type
Direct Allocation
Record created
Nov 23, 1992
Legacy
yes
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