LAYER3 INTEL
Get started
Sign in
Data as of Nov 13, 2026

131.103.192.0/18

Anonymizer · ISP proxy

RCN · space held by NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS6079
Type
ISP proxy
IPv4 market

Path

1 · Holder
NTT America, Inc.
record created Nov 4, 1988
2 · Leased from
Rackdog
for its owner NTT America, Inc.
3 · Announced by
AS6079 RCN
since Jun 2025 · 16 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 131.103.192.0/18/24s
Rackdog
16,384100%
64
Leased from

Owners leasing their own space

NameIn 131.103.192.0/18/24s
NTT America, Inc.
16,384100%
64

Lineage

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

131.103.192.0/18

From the registry to its use

  1. Nov 4, 1988
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    131.103.0.0/16
  2. May 9, 2005– today
    Announced
    AS2914 NTT America, Inc.
    as part of 131.103.0.0/16
    131.103.0.0/16
  3. Jun 29, 2025– today
    Announced
    AS6079 RCN
    Internet provider
  4. Jul 3, 2025
    Route object
    AS1299 Arelion Sweden AB
    NTTCOM route object for AS1299 Arelion Sweden AB, maintainer MAINT-NTTCOM-BB
  5. Jul 3, 2025
    Route object
    AS3257 GTT Communications Inc.
    NTTCOM route object for AS3257 GTT Communications Inc., maintainer MAINT-NTTCOM-BB
  6. Jul 3, 2025
    Route object
    AS6079 RCN
    NTTCOM route object for AS6079 RCN, maintainer MAINT-NTTCOM-BB
  7. Jul 3, 2025
    Route object
    AS7029 Windstream Communications LLC
    NTTCOM route object for AS7029 Windstream Communications LLC, maintainer MAINT-NTTCOM-BB
  8. Jul 3, 2025
    Route object
    AS7843 Charter Communications Inc
    NTTCOM route object for AS7843 Charter Communications Inc, maintainer MAINT-NTTCOM-BB
  9. Jul 3, 2025
    Route object
    AS11404 Wave Broadband
    NTTCOM route object for AS11404 Wave Broadband, maintainer MAINT-NTTCOM-BB
  10. Jul 3, 2025
    Route object
    AS20115 Charter Communications LLC
    NTTCOM route object for AS20115 Charter Communications LLC, maintainer MAINT-NTTCOM-BB
  11. Jul 3, 2025
    Route object
    AS398465 Rackdog, LLC
    NTTCOM route object for AS398465 Rackdog, LLC, maintainer MAINT-NTTCOM-BB
  12. Jul 4, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  13. May 19, 2026
    Assigned
    RCN
    Reassigned
    131.103.192.0/18
  14. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
131.103.0.0/16
since May 2005
AS2914Internet provider4,6087.0%ISP proxy, Datacenter proxyProxy providersoperated by Mentos Telecomsold by IPDeep17
3 always on
NTT America, Inc.
More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
131.103.224.0/19
since Jul 2025
AS7029ISP proxyIP broker RackdogNTT America, 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
131.103.0.0/1665,536NTTA-131-103NTT America, Inc. (NTTAM-1) · USDirect AllocationNov 4, 1988abuse@ntt.net
└ 131.103.192.0/1816,384RCN-131-103-192RCN (C11598214) · USReassignedMay 19, 2026abuse@ntt.net
via NTTA-131-103

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jun 2025
Current origin since
Jun 2025 · 1.4 yr
Origin networks
1