Data as of Nov 9, 2026

131.103.192.0/19

Anonymizer · ISP proxy

RCN · space held by NTT America, Inc.

Announcement
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Nov 4, 1988
2 · Leased from
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

Announced by

Covering announcement 131.103.192.0/18

Prefix
131.103.192.0/18
Announced by
AS6079 RCN
Type
ISP proxy
Anonymizer addresses
8,192 addresses · 50%
Leased from
IP broker Rackdog
RPKI
RPKI valid
Netname
RCN-131-103-192
Registrant
RCN
RIR
ARIN
IPv4 market

Holder

Organization
NTT America, Inc.
Handle
NTTAM-1
Range
131.103.0.0/16
Registration type
Direct Allocation
Record created
Nov 4, 1988
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