LAYER3 INTEL
Get started
Sign in
Data as of Nov 10, 2026

131.103.192.0/19

Anonymizer · ISP proxy

RCN · space held by NTT America, Inc.

Announcement
131.103.192.0/18
RPKI valid
Announced by
AS6079
Type
ISP proxy
Risk
90 / 100 · Critical
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 131.103.192.0/19/24s
Rackdog
8,192100%
32
Leased from

Owners leasing their own space

NameIn 131.103.192.0/19/24s
NTT America, Inc.
8,192100%
32

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
131.103.0.0/16
since May 2005
AS2914Internet provider1,2802.0%ISP proxy, Datacenter proxyProxy providersoperated by Mentos Telecom15
3 always on
NTT America, Inc.

Registrations in this block

The registry's network records over this block, widest first, each 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

131.103.192.0/18

Routing history

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